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Optical patents



      

This page is updated frequently with new Optical-related patent applications.




Date/App# patent app List of recent Optical-related patents
05/19/16
20160143146 
 Lens for illuminating device and illuminating device having said lens patent thumbnailLens for illuminating device and illuminating device having said lens
Various embodiments may relate to a lens for an illuminating device and an illuminating device having a lens of the above mentioned type, wherein the lens includes a bottom plate and at least one optical part formed on the bottom plate, wherein the lens further includes at least two assembly parts that are position-fixedly formed on the bottom plate, and the assembly parts are configured to be respectively aligned with assembly positions on a circuit board of the illuminating device and configured to allow to be soldered to the circuit board.. .
Osram Gmbh


05/19/16
20160143116 
 Physical  maintaining freshness of vegetables and fruits via technology of optical signal and optical signal generator patent thumbnailPhysical maintaining freshness of vegetables and fruits via technology of optical signal and optical signal generator
A physical method for maintaining the freshness of vegetables and fruits via the technology of the optical signal and optical signal generator are disclosed. By adopting the computer programmable pulsed scanning signal generator, it controls the light-emitting device mounted with red, green and blue light sources group to generate optical signal with pulsed or pulsed periodical scanning combined spectrum.

05/19/16
20160143094 
 Display device patent thumbnailDisplay device
A display device includes a circular display panel, an encapsulation substrate on the circular display panel, and an optical element interposed between the circular display panel and the encapsulation substrate, the optical element including a light guide member having a ring shape to correspond to a boundary of the circular display panel, the light guide member configuring a boundary of the optical element.. .
Samsung Display Co., Ltd.


05/19/16
20160142930 
 Enterprise cognitive radio integrated with laser communications patent thumbnailEnterprise cognitive radio integrated with laser communications
A wireless data access system is provided to ameliorate bursty traffic occurring in a radio communications link such as a wifi, wimax, 3g or cellular telephone link to a wireless network access device. A data traffic event is detected relating to traffic in the link.
At&t Intellectual Property Ii, L.p.


05/19/16
20160142797 
 Optical cross-connect patent thumbnailOptical cross-connect
An optical add-drop apparatus dropping a signal in input optical fibers in an optical cross-connect apparatus or adding a signal into output optical fibers from the cross-connect apparatus, optical cross-connect portions of the cross-connect apparatus connected such that a cross-connect portion internal connection output port is directly connected to an internal connection input port of another cross-connect portion and is indirectly connected via the other cross-connect portion to an internal connection output port of a further cross-connect portion, the add-drop apparatus having: photocouplers connected to part or all of the input fibers connected to each cross-connect portion; and drop signal receiving apparatuses each having optical switches each receiving and alternately selecting a signal output from photocouplers connected to respective different cross-connect portions of the cross-connect portions out of the photocouplers, the drop signal receiving apparatuses selecting a signal of a wavelength for each signal respectively output from the optical switches.. .
Japan Science And Technology Agency


05/19/16
20160142701 
 Depth sensing method, 3d image generation method, 3d image sensor, and apparatus including the same patent thumbnailDepth sensing method, 3d image generation method, 3d image sensor, and apparatus including the same
A three-dimensional (3d) image sensor module including: an oscillator configured to output a distortion-compensated oscillation frequency as a driving voltage of a sine wave biased with a bias voltage; an optical shutter configured to vary transmittance of reflective light reflected from a subject, according to the driving voltage, and to modulate the reflective light into at least two optical modulation signals having different phases; and an image generator configured to generate image data about the subject, the image data including depth information that is calculated based on a difference between the phases of the at least two optical modulation signals. .
Samsung Electronics Co., Ltd.


05/19/16
20160142695 
 Reproduction device, reproduction method, and recording medium patent thumbnailReproduction device, reproduction method, and recording medium
An optical disc records a tone_map stream including tone_mapping_info including hdr information indicating a luminance feature of hdr graphics which are graphics with a second luminance range different from and broader than a first luminance range and tone_mapping_info which is tone mapping definition information used when luminance conversion from the hdr graphics to std graphics which are graphics with the first luminance range is performed, and a graphics stream of the hdr graphics. The present technology is applicable to a recording medium recording graphics..

05/19/16
20160142688 
 Image display apparatus patent thumbnailImage display apparatus
An image display apparatus includes a light source, a light valve, at least one light guide optical system of a first light guide optical system or a second light guide optical system, a first cooling unit configured to cool at least one of the light source, the light valve, the first light guide optical system, or the second light guide optical system, an inlet port, a second cooling unit configured to cool at least one of the light source, the light valve, the first light guide optical system, or the second light guide optical system, and a filter disposed in an air path from the inlet port to a member to be blown by an air blowing fan. A radiator is disposed between the inlet port and the filter..
Canon Kabushiki Kaisha


05/19/16
20160142669 
 Content capturing and recording apparatus patent thumbnailContent capturing and recording apparatus
An imaging apparatus includes an imaging unit that includes a shooting lens for collecting an image of a subject to be shot; and an imaging element that forms the image collected by the shooting lens and generates image data through photoelectric conversion of formed image. The imaging apparatus also includes an inclination detector that detects an inclination of the imaging apparatus from a predetermined position, through a rotation around a shooting optical axis of the shooting lens.
Olympus Corporation


05/19/16
20160142665 
 Video display device patent thumbnailVideo display device
According to one embodiment, a video display device comprising: a display comprising a video display module and a frame; an optical element; and a spacer member comprising a flat plate and a supporter, wherein an expression of “t1/t2=1/(2×n)” is established when a thickness of the supporter at a boundary of the flat plate and the supporter is denoted by t1, a distance between the boundary and the optical element is denoted by t2, and a refractive index of the flat plate is denoted by n.. .
Toshiba Lifestyle Products & Services Corporation


05/19/16
20160142653 

Image sensor and outputting data from the image sensor


An image sensor capable of implementing a global shutter mode and a rolling shutter mode is provided. The image sensor includes a row driver, a pixel array, an analog-to-digital converter, and an output compensating circuit.
Samsung Electronics Co., Ltd.


05/19/16
20160142646 

Monocentric lens-based multi-scale optical systems and methods of use


A monocentric lens-based multi-scale imaging system is disclosed. Embodiments of the present invention comprise a monocentric lens as an objective lens that collects light from a scene.
Duke University


05/19/16
20160142634 

Stabilizer for an optical device and electronic device comprising the same


There is provided a stabilizer for an optical device that forms part of an electronic device and an electronic device including the stabilizer. The stabilizer includes two first actuators, each of which includes a first coil assembly and a first block of ferromagnetic material, each of the two first coil assemblies being configured to generate, in response to a first electrical signal applied thereto, a first attraction force toward a respective first block of ferromagnetic material, the first blocks of ferromagnetic material being attached to a socket for the optical device; and a rotating device configured to rotate the socket around an optical axis of the optical device in response to the first attraction force.
Nokia Technologies Oy


05/19/16
20160142622 

Imaging device


An imaging device comprises a lens barrel including an optical system that collects light from a predetermined viewing area and that defines an optical axis; an imaging unit that receives the light collected by the optical system and generates image data, the image data defining a main image that includes a determined sub area; a ring-shaped operation ring that is provided on an outer circumference of the lens barrel and that is manually rotatable about the optical axis of the optical system; and an area change unit that changes at least one of (a) a size of the determined sub area, or (b) a position of the determined sub area, responsive to a manual operation of the operation ring.. .
Olympus Corporation


05/19/16
20160142617 

Image acquisition device and image acquisition device focusing method


In an image acquisition device, an optical path length difference in a second light figure can be formed by arrangement of an optical path difference generating member, without need for splitting light in a second optical path for focus control. Therefore, it reduces the quantity of light into the second optical path necessary for acquisition of information of focal position while ensuring the quantity of light enough for execution of imaging by a first imaging device.
Hamamatsu Photonics K.k.


05/19/16
20160142607 

Camera system for vehicle and operation method thereof


The present invention relates to a camera system for a vehicle and an operating method thereof and an exemplary embodiment of the present invention provides a camera system for a vehicle, including: a reception module which receives a country code number corresponding to a position of a vehicle, from a code supplying device; a sensor module which, when an optical signal corresponding to a surrounding environment of the vehicle is input, outputs an image signal corresponding to the optical signal; and a control module which, when the country code number is received, varies an exposure time (integration time) of the sensor module in accordance with a natural frequency which is set to correspond to the country code number and controls the sensor module to receive the optical signal during the exposure time.. .
Hyundai Mobis Co., Ltd.


05/19/16
20160142606 

Electro-optic aperture device


A portable consumer electronics device has a handheld portable device housing, and an electronic camera module integrated in the housing. The module has a focusing lens with an optical axis, an imaging sensor to receive the focused light, and an electro-optic variable aperture to allow different amounts of focused light to reach the imaging sensor.
Apple Inc.


05/19/16
20160142595 

Camera module


A camera module includes a housing having a guide groove formed therein, the guide groove being extended lengthwise in an optical axis direction, a lens barrel mounted in the housing and having a guide protrusion inserted into the guide groove, and an elastic member disposed on the guide groove so that the guide protrusion may be prevented from being separated from the guide groove.. .
Samsung Electro-mechanics Co., Ltd.


05/19/16
20160142209 

Method and system for securing the entry of data to a device


Crypto-glasses include systems that implement a method of authentication of users by blinking, the crypto-glasses including a frame configured so as to be worn by a user, a processor, a display device communicating with the processor so as to dynamically display data, and a communication unit, as executed by the processor, to execute the method of authentication by transmitting data to the display device for performing the authentication of the user to interact with the display device. The communication unit is configured to display in an optical unit of the crypto-glasses a key map which correlates data input into the display device with keys of the display device, the key map indicating data different from that of the keys of the display device.
International Business Machines Corporation


05/19/16
20160142179 

Optimization of optical transmission capacity


A method for transmitting a coherent optical data signal includes receiving a data signal from an interface, and encoding the data signal with a forward error correcting (fec) encoder according to a mix of modulation formats. The fec encoder generates an fec encoded signal which is used to generate modulation symbols according to the modulation formats.
Cisco Technology, Inc.


05/19/16
20160142172 

Ring network including at least one subtending ring originating and terminating at a central-office node


In a wdm optical communication system that includes a plurality of nodes interconnected by communication links, a node is provided which includes an optical coupling arrangement having at least one input port for receiving a wdm signal and a plurality of output ports for selectively receiving one or more wavelength components of the wdm optical signal. The optical coupling arrangement is adaptable to reconfigure its operational state to (i) selectively direct any one of the wavelength components received on the input port to any of the output ports independently of any other of the wavelength components and (ii) selectively direct any combination of two or more of the wavelength components from the input port to at least two of the output ports that serve as wdm output ports.
Linkedin Corporation


05/19/16
20160142171 

Signal detection circuit and optical transmission equipment


A signal detection circuit includes: a first optical filter configured to filter an optical signal carrying a frequency modulated signal with a first transmission band; a second optical filter configured to filter the optical signal with a second transmission band; a first photo detector configured to convert the output light of the first optical filter into a first electrical signal; a second photo detector configured to convert the output light of the second optical filter into a second electrical signal; a difference circuit configured to output a signal representing a difference between the first electrical signal and the second electrical signal; and a detector configured to detect the frequency modulated signal based on the output signal of the difference circuit.. .
Fujitsu Limited


05/19/16
20160142170 

Method and device for transparent connection of different dwdm systems by nxn awgs


A system for connecting two or more dense wavelength division multiplex (dwdm) systems in an optically transparent manner includes a first dwdm system with a first optical line amplifier (ola) for amplifying the signal to be transmitted and a second dwdm system which has a second ola for amplifying the signal to be transmitted. The first ola and the second ola are connected to each other via a passive n×n awg, arrayed waveguide grating..
Deutsche Telekom Ag


05/19/16
20160142156 

Integrated device package and/or system comprising configurable directional optical transmitter


Some novel features pertain to a device that includes a first integrated device package and a second integrated device package. The first integrated device package includes a first package substrate, a first integrated device, and a first configurable optical transmitter.
Qualcomm Incorporated


05/19/16
20160142155 

Semiconductor packages with optical interconnection structures, memory cards including the same, and electronic systems including the same


A semiconductor package includes a first transceiver disposed on a top surface of a substrate; and a second transceiver disposed on a bottom surface of the substrate. The first and second transceivers optically communicate with each other through optical signals that permeate the substrate..
Sk Hynix Inc.


05/19/16
20160142154 

Iterative post-equalization for coherent optical receivers


A post-equalization technique for recovering data bits from a coherent modulation optical signal is implemented in the digital domain by iteratively performing a decision-directed least mean square channel equalization step, a digital post filter step and a maximum likelihood sequence estimation step so that the symbol decisions of the previous iteration are fed to the decision directed least mean square channel equalization step to successively improve the symbol decisions. In an experimental setup, the iterative technique demonstrated performance improvement mitigating the bandwidth limitation as compared to a corresponding non-iterative technique..
Zte Corporation


05/19/16
20160142153 

Chromatic dispersion estimation for digital coherent optical receivers


An apparatus comprises a front end configured to receive an optical signal, and convert the optical signal into a plurality of digital signals, and a processing unit coupled to the front end and configured to determine a best-match chromatic dispersion (cd) estimate in the optical signal by optimizing a cost function based on signal peaks of the plurality of digital signals.. .
Futurewei Technologies, Inc.


05/19/16
20160142152 

Optical transmission system, optical reception apparatus, and signal adjustment method


An optical transmission system includes: a reception apparatus configured to receive signal light separated from wavelength division multiplexing light; and a management apparatus configured to manage a plurality of optical transmission apparatuses that transmit the wavelength division multiplexing light, wherein the reception apparatus further comprises: an amplification section configured to amplify each power of electric signals for demodulating the signal light within a predetermined tolerance level, the electric signals being converted from mixed light of local light and the signal light input into the reception apparatus; an adjustment section configured to adjust power of the signal light input into the reception apparatus or power of the local light; and a controller configured to control the adjustment section based on an adjustment amount notified by the management apparatus, the management apparatus includes a computer.. .
Fujitsu Limited


05/19/16
20160142151 

Wavelength stabilizer for twdm-pon burst mode dbr laser


An optical network unit (onu) comprising a media access controller (mac) configured to support biasing a laser transmitter to compensate for temperature related wavelength drift receiving a transmission timing instruction from an optical network control node, obtaining transmission power information for the laser transmitter, estimating a burst mode time period for the laser transmitter according to the transmission timing instruction, and calculating a laser phase fine tuning compensation value for the laser transmitter according to the burst mode time period and the transmission power information, and forwarding the laser phase fine tuning compensation value toward a bias controller to support biasing a phase of the laser transmitter.. .
Futurewei Technologies, Inc.


05/19/16
20160142150 

Data communication using multiple channels


A method of transmitting data may include receiving feedback information that includes effective channel bandwidths, signal-to-noise ratios (snrs) associated with multiple optical channels on an optical link, and individual snrs associated with subcarriers on each optical channel. The method may include determining multiple subcarrier power allocation schemes based on the feedback information.
Finisar Corporation


05/19/16
20160142149 

System and methods for adaptive equalization for optical modulation formats


A method for modifying the performance of an adaptive equalizer in a receiver is provided. A carrier wave comprising a first polarization state and a second polarization state, wherein there is a correlation between the first polarization state and the second polarization state, is received.
At&t Intellectual Property I, Lp


05/19/16
20160142148 

A device and a generating an electrical signal with a suppressed frequency band


Abstract disclosed herein is a notch filter and a method for generating an electrical signal with a suppressed frequency band. The filter generates an optical signal by modulating a modulation optical wave with an electrical signal to generate first and second sidebands.
The University Of Sydney


05/19/16
20160142147 

Small packaged tunable laser transmitter


A tunable laser transmitter configured in a small package subassembly coupled to a printed circuit board. The tunable laser transmitter includes a housing with a volume formed by exterior walls.
Neophotonics Corporation


05/19/16
20160142145 

Optical module


The embodiments of this disclosure provide an optical module, which expands the network bandwidth, eases a problem on dynamic bandwidth allocation. The optical module comprises an optical transceiver assembly and a control circuit, wherein the optical transceiver assembly comprises a first optical emitter and a second optical emitter; the control circuit is configured to control the first optical emitter to generate an optical signal of a first waveband, and the first optical emitter is configured to emit the optical signal of the first waveband to a transmission optical fiber; or, the control circuit is configured to control the second optical emitter to generate an optical signal of a second waveband, and the second optical emitter is configured to emit the optical signal of the second waveband to the transmission optical fiber.
Hisense Broadband Multimedia Technologies Co., Ltd.


05/19/16
20160142143 

Methods and apparatuses for sending and receiving signal, and system


The present invention relates to the field of mobile communications technologies. The methods for sending and receiving a signal are specifically: splitting a received digital signal into a first digital signal and a second digital signal, respectively converting the first digital signal and the second digital signal into an analog in-phase signal and an analog quadrature signal, respectively modulating the analog in-phase signal and the analog quadrature signal to two optical signals that are perpendicular to each other and are in a polarization state, combining, into one optical signal, the two optical signals that are perpendicular to each other and are in a polarization state, and sending the optical signal to an onu; and performing, by the onu, corresponding demodulation on the optical signal, and sending the optical signal to a user terminal..
Huawei Technologies Co., Ltd.


05/19/16
20160142142 

Spatial-mode multiplexing optical signal streams onto a multimode optical fiber


An apparatus includes an optical spatial-mode multiplexer having a plurality of optical inputs and an optical output and an optical spatial-mode filter end-connected to the optical output of the optical spatial-mode multiplexer. The optical spatial-mode filter is configured to end-connect to a multimode optical fiber having a set of optical propagation modes and is configured to pass the optical modes of the set whose velocities in the multimode optical fiber are within a selected range and to block remaining ones of the optical modes of the set..
Alcatel-lucent Usa Inc.


05/19/16
20160142141 

Optical communication device


An optical communication device includes an optical fiber, two chips, a light emitter, a photoelectric conversion device, and a circuit board. The chips includes a substrate, and a polarizing beam splitter positioned on the substrate, the polarizing beam splitter includes a first coupling device, second coupling device, a y-waveguide, and a tm filter coupling to the third channel.
Hon Hai Precision Industry Co., Ltd.


05/19/16
20160142139 

Led light dongle communication system


A universal serial bus (usb) dongle may include an optical transceiver having a usb interface for engagement to an electronic device such as a laptop computer or other usb-configured device. The usb dongle may include a converter or buffering, isolation, modulation or amplification circuitry.
Federal Law Enforcement Development Services, Inc.


05/19/16
20160142136 

Optical transceiver, optical transmission system, and light source output monitoring method


An optical transceiver includes: a light source; a light source power management unit configured to manage a state of an output power of the light source; an optical detector configured to receive a first optical signal from a counterpart optical transmission apparatus and detect the first optical signal; and a monitoring information extraction unit configured to extract a monitoring information of a reception power level of a second optical signal, which is generated from an output light of the light source and received in the counterpart optical transmission apparatus, from the first optical signal, wherein the light source power management unit is configured to update a written value of the state of the output power of the light source in a case where a monitored value of the reception power level included in the monitoring information is decreased to exceed a variation of an optical transmission path.. .
Fujitsu Limited


05/19/16
20160142135 

In-band noise determination on optical communication signals


There are provided methods and devices for determining a quality parameter characterizing an optical communication signal, the methods being performed by signal detection devices. At the transmitting end, there are obtained a signal power p1 of a first optical signal, a signal power p2 of a second optical signal, a signal power p3 of a third optical signal, optionally a signal power p4 of a fourth optical signal, and a total signal power ps of a channel where the first, second, third and optional fourth optical signals are located.
Exfo Inc.


05/19/16
20160142134 

Determination of an optical signal to noise ratio of a dual-polarization optical signal


A method is provided for determining an optical signal to noise ratio of a dual polarization optical signal. The method includes: detecting, in the dual polarization optical signal, a modulation signal which modulates, at at least one low amplitude level that is approximately zero and at a high amplitude level, the dual polarization optical signal, and determining the optical signal to noise ratio from a measurement of the power of the modulation signal..
Orange


05/19/16
20160142133 

Methods, systems and devices for optical-signal-to-noise-ratio monitoring


A device for optical-signal-to-noise (osnr) monitoring can include: a delay-line interferometer configured to connect with a tunable optical filter; and two or more power detectors to measure outputs of the interferometer; wherein one or more parameters are optimized for different transmission baud rates to improve accuracy. In addition, a method can include: connecting an input of a delay-line interferometer with an output of a tunable optical filter, and an output of the delay-line interferometer with an input of a power detector, to form an optical-signal-to-noise (osnr) monitoring apparatus; optimizing one or more parameters of the osnr monitoring apparatus for different transmission baud rates to improve accuracy..
University Of Southern California


05/19/16
20160142132 

Optical phase noise extracting device and optical phase noise extraction method


An apparatus includes: a first measurer configured to measure first phase data indicating a temporal variation in a phase of a non-transferred signal that is an optical signal modulated by an optical phase modulation scheme and output from a transmitting device to an optical transmission path as the non-transferred signal; a second measurer configured to second phase data indicating a temporal variation in the phase of the optical signal transferred by the optical transmission path as a transferred signal on a side of a receiving device; a generator configured to generate differential data indicating a difference between the first phase data and the second phase data; and an extractor configured to use the differential data to extract, from the optical signal on the side of the receiving device, optical phase noise generated due to the optical transmission path.. .
Fujitsu Limited


05/19/16
20160142131 

Optical transmitter module


An optical transmission device includes a light source, a driver, and a light receiving element. In accordance with electronic signals supplied from a signal line, the light source emits forward a signal light and emits back a monitor light for monitoring the signal light.
Fujitsu Optical Components Limited


05/19/16
20160141865 

Power structure diagnostic improved motor drive diagnostic coverage


Motor drive diagnostic and control methods and apparatus are provided in which rectifier and inverter switching devices are individually monitored for malfunctions, and detected malfunctions initiate implementation of a safety function to signal a drive controller to shut down non-safety-related processing, to discontinue command pulse signaling to the switching devices, and to disable optical transmitters between the drive controller and the rectifier and inverter switches, and an input contactor or other switching circuit is opened to disconnect input power from the motor drive after implementation of the safety function.. .
Rockwell Automation Technologies, Inc.


05/19/16
20160141834 

Method for controlling amplifying unit including variable optical attenuator and semiconductor optical amplifier


A method to control an amplifying unit including a variable optical attenuator voa and a semiconductor optical amplifier soa is disclosed. The method first sets the attenuation of the voa in a value realizable in the voa and the optical gain of the soa in a value where the soa may operate in an optimum range.
Sumitomo Electric Device Innovations, Inc.


05/19/16
20160141832 

Laser apparatus and optical transmitter


A laser apparatus includes a semiconductor laser of which a drive condition is controlled according to a plurality of types of drive currents and a controller which controls the drive condition such that a sum of the drive currents is equal to or less than a predetermined threshold value.. .
Fujitsu Optical Components Limited


05/19/16
20160141830 

To-type optical element package for high-speed communication


A to-type optical element package for high-speed communication which is used for an optical module for high-speed communication of at least 10 gigabits per sec (gbps) and enables thermoelectric elements to be embedded in an upper part of a stem. The to-type optical element package for high-speed communication can transmit high-quality signals in a high-speed operation of the optical element by inserting and fixing an electrode pin (120) in a through-hole formed on a stem base (100), surrounding a lateral surface of the electrode pin (120) protruding to an upper part of the stem base (100), with a metallic instrument (400) having a through-hole so as to enable the impedance of an electrode pin (120) part, surrounded with the stem base (100), to correspond to the impedance of an electrode pin (120) part protruding to the upper part of the stem base (100)..
Phovel.co.ltd.


05/19/16
20160141828 

Method and polarization determination and/or control in optical fiber amplifying systems


Methods and apparatuses for determining the polarization state and for providing polarization control in optical fiber lasers and amplifiers. One embodiment of the invention is an optical fiber amplifying system including a circulator (260) having a first optical port (260a), a second optical port (260b) that is configured to output radiation received from the first optical port, and a third optical port (260c) that is configured to output radiation received from the second optical port; one or more amplifier stages (216) connected in series, together having an optical input (216a) optically coupled to the second port of the circulator, and an optical output (216b); and a polarization detector (240) having an optical input optically coupled to the third port of the circulator.
Nufern


05/19/16
20160141473 

Light emitting diode device


A light emitting diode device is described which includes at least one planar non-periodic high-index-contrast grating. The light emitting diode device includes a cavity formed between a reflective optical element and a transmissive optical element.
Hewlett Packard Enterprise Development Lp


05/19/16
20160141461 

Led lighting arrangement including light emitting phosphor


A method of manufacturing an led lighting arrangement, comprises: receiving an optical component having a diffusing material that is light diffusive and at least one photoluminescent material that is excitable by light of a first wavelength range and which emits light of a second wavelength range; receiving an led assembly that is operable to generate the light of the first wavelength range and mounting the optical component to the led assembly to form the led lighting arrangement. The optical component having the diffusing and photoluminescent materials is mass produced separately from the led assembly and can be selected such that light generated by the optical component combined with the light generated by the led assembly corresponds to light of a selected color.
Intematix Corporation


05/19/16
20160141440 

Optical sensor module


An optical sensor module is disclosed. The optical sensor module can include a housing comprising an air cavity.
Analog Devices Global


05/19/16
20160141323 

Solid-state imaging apparatus


A solid-state imaging apparatus having a sensitivity difference between microlens regions hardly be recognized comprises: a plurality of pixels each of which has a photoelectric conversion portion, an optical element arranged above the photoelectric conversion portion, and a microlens arranged above the optical element, wherein the microlenses of the plurality of pixels include a plurality of microlenses of a first microlens structure arranged in a first microlens region, and a plurality of microlenses of a second microlens structure arranged in a second microlens region, the optical elements of the plurality of pixels include a plurality of optical elements of a first optical element structure arranged in a first optical element region, and a plurality of optical elements of a second optical element structure arranged in a second optical element region, and the first microlens region is arranged above a boundary between the first and second optical element regions.. .
Canon Kabushiki Kaisha


05/19/16
20160141318 

Method and system for assembly of radiological imaging sensor


An imaging sensor having a coupling portion consisting of a plurality of resist portions that act as a light guide to direct light from a fiber optic plate to an imaging die layer. The resist portions can be formed through a photolithographic process to define an air gap between adjacent resist portions.
Teledyne Dalsa, Inc.


05/19/16
20160141279 

Methods for performing extended wafer-level packaging (ewlp) and ewlp devices made by the methods


Embedded wafer-level packaging (ewlp) devices, packages and assemblies and methods of making them are provided. The ewlp methods allow back side electrical and/or thermal connections to be easily and economically made at the ewlp wafer level without having to use thru-mold vias (tmvs) or thru-silicon vias (tsvs) to make such connections.
Avago Technologies General Ip (singapore) Pte. Ltd.


05/19/16
20160141213 

Automated optical inspection of unit specific patterning


A method of automated optical inspection (aoi) for a plurality of unique semiconductor packages can comprise providing a plurality of semiconductor die formed as a reconstituted wafer. A plurality of unit specific patterns can be formed by forming a unit specific pattern over each of the plurality of semiconductor die, wherein each of the unit specific patterns is customized to fit its respective semiconductor die.
Deca Technologies Inc.


05/19/16
20160141162 

Projection-type charged particle optical system and imaging mass spectrometry apparatus


Provided is a projection-type charged particle optical system in which a projection magnification can be changed while a decrease in the accuracy in measuring a mass-to-charge ratio is being suppressed. A projection-type charged particle optical system according to the present invention includes a first electrode disposed so as to face a sample and having an opening formed therein for allowing a charged particle to pass, a second electrode disposed on a side of the first electrode opposite to where the sample is disposed and having an opening formed therein for allowing the charged particle to pass, and a flight-tube electrode disposed such that the charged particle that has been emitted from the sample and has passed through the second electrode enters the flight-tube electrode and being configured to form a substantially equipotential space thereinside.
Canon Kabushiki Kaisha


05/19/16
20160140995 

Servo processor receiving photodetector signals


An optical disk drive and a digital servo method for the optical disk drive includes controlling functions of the optical disk drive with a microprocessor. Low-pass filtered and gain-adjusted versions of photodetector output signals resulting from an illumination of an optical disk are received.
Optical Devices, Llc


05/19/16
20160140705 

Rotary encoder system


A rotary encoder system for registering the rotary angle position and/or angular speed of a rotary shaft which extends along an axis of rotation, comprising at least two optical marks at the rotary shaft, an optical sensor with a pixel matrix having pixel points, an imaging device for imaging each mark in a substantially axial direction on the pixel matrix as a mark image, and an evaluation device for reading and evaluating the pixel matrix in order to determine data in relation to the rotary angle position and/or angular speed, wherein the marks, the imaging device and pixel points are embodied in such a way that the mark images on the pixel matrix have at least the area of a pixel point, wherein the evaluation device is embodied to establish the location of the centroids of the mark images on the pixel matrix.. .
Espros Photonics Ag


05/19/16
20160140697 

Image processing device, imaging device, image processing method, and program


Disclosed are an image processing device, an imaging device, an image processing method, and a program capable of acquiring a moving image with excellent image quality while maintaining continuity of a restoration process between frames even if there is a rapid change of a photographing environment in a moving image. An image processing device includes a restoration control processing unit 36 which subjects a moving image including a plurality of frames acquired by photographing using an optical system to a restoration process based on a point spread function of the optical system to acquire recovered image data.
Fujifilm Corporation


05/19/16
20160140693 

Systems and methods for obstructing inoperable pixels in a display device


This disclosure provides systems, methods and apparatus for optically obstructing inoperable display elements in a display apparatus. In one aspect, a display apparatus can include a plurality of display elements each having a shutter suspended over a substrate.
Pixtronix, Inc.


05/19/16
20160140646 

Connected consumables preparation area


According to one aspect there is provided a consumables preparation area comprising an electronically stored consumables inventory update initiator, said update initiator: comprising one or more of: a barcode scanner, a quick response (qr) code scanner, a radio-frequency identification (rfid) tag reader, a scanner configured for optical character recognition (ocr) and digital scales; and being configured for use within the dwelling or establishment in which said consumables are to be transformed for use. According to another aspect there is provided a method of updating an electronically stored consumables inventory using such a consumables preparation area..
Mastercard International Incorporated


05/19/16
20160140412 

System and enhanced defect detection with a digital matched filter


Enhanced defect detection of a sample includes acquiring two or more inspection images from a sample from two or more locations of the sample for a first optical mode. The defection detection also generating an aggregated defect profile based on the two or more inspection images from the two or more locations for the first optical mode for a selected defect type and calculating one or more noise correlation characteristics of the two or more inspection images acquired from the two or more locations for the first optical mode.
Kla-tencor Corporation


05/19/16
20160140410 

Image acquisition using a level-indication icon


During an information-extraction technique, visual suitability indicators may be displayed to a user of the electronic device to assist the user in acquiring an image of a document that is suitable for subsequent extraction of textual information. For example, an imaging application executed by the electronic device may display, in a window associated with the imaging application, a visual suitability indicator of a tilt orientation of the electronic device relative to a plane of the document.
Intuit Inc.


05/19/16
20160139735 

Optical touch screen


An optical touch screen includes a display panel, a first camera module, a second camera module, and a controller. The first camera module includes a first emitting unit and a first receiving unit.
Quanta Computer Inc.


05/19/16
20160139717 

Temperature compensating transparent force sensor


An optically transparent force sensor, which may be used as input to an electronic device. The optically transparent force sensor may be configured to compensate for variations in temperature using two or more force-sensitive components that are formed from materials having different temperature- and strain-dependent responses..
Apple Inc.


05/19/16
20160139710 

Light transmitting electrically conductive member and patterning the same


A method for patterning a light transmitting electrically conductive member uses a light transmitting laminate material in which an electrically conductive layer including an overcoat layer and silver nanowires embedded therein is formed on a surface of a light transmitting base film and includes a step of treating a surface of the electrically conductive layer which is not covered with a resist layer using an iodine solution to at least partially iodize the silver nanowires and a step of applying a thiosulfate solution to the surface of the electrically conductive layer which is not covered with the resist layer to remove a silver iodide exposed to a surface of the overcoat layer. Since a white cloudy or a whitened silver iodide is removed, the optical transmission characteristics of the non-electrically conductive region can be improved..
Alps Electric Co., Ltd.


05/19/16
20160139533 

Light scanning apparatus


A light scanning apparatus, including: an optical housing, to which a light source is mounted, configured to hold a deflecting unit and an optical unit therein; a cover member configured to cover the optical housing; a seal member configured to seal between the optical housing and the cover member; a screw configured to fasten the cover member to the optical housing; and a shoulder screw configured to fasten the cover member to the optical housing, wherein the screw fastens the cover member to the optical housing in a first disposition portion on which the deflecting unit is disposed with respect to an opening portion through which the light beam passes, the shoulder screw fastens the cover member to the optical housing in a second disposition portion opposite to the first disposition portion, and the shoulder screw is provided on an outer side with respect to the seal member.. .
Canon Kabushiki Kaisha


05/19/16
20160139514 

Lithographic apparatus and device manufacturing method


A lithographic apparatus may include an optical element, such as an immersion fluid reservoir, which supported at least in part by a bearing, such as a gas bearing. To enable illumination by the lithographic apparatus of an edge of the substrate, a surrounding structure is provided that surrounds the substrate, a level parameter of the substrate, such as a thickness of the substrate, is measured by a sensor, such as a thickness sensor.
Asml Netherlands B.v.


05/19/16
20160139495 

Adapters for attaching accessories to mobile electronic devices


In some embodiments, an auxiliary optical system comprises an adapter that is either separable from or unitary with a retainer. The adapter permits the retainer to removably attach to a plurality of mobile electronic devices of different sizes.
Olloclip, Llc


05/19/16
20160139491 

Diaphragm device and optical instrument


A diaphragm device of the present invention includes: a base plate having an aperture portion; a first blade being placed on a plane of the base plate and supported by the base plate to be able to open and close the aperture portion; a second blade being placed on the same plane of the base plate as the first blade, and supported by the base plate to be able to open and close the aperture portion; and a drive ring being formed so as to surround the perimeter of the aperture portion, the driving ring being configured to drive the first blade and the second blade to open and close, wherein the first blade and the second blade perform mutually different actions based on an operation of the drive ring.. .
Seiko Precision Inc.


05/19/16
20160139490 

Diaphragm device and optical instrument


A diaphragm device of the present invention includes: a base plate having an aperture portion; a blade being supported by the base plate to be able to open and close the aperture portion; a drive ring being formed so as to surround the perimeter of the aperture portion, the drive ring being configured to drive the blade to open and close; a supporting pin pivotably supporting the blade being provided on the drive ring; and an engaging pin engaging with the blade and causing the blade to open or close in conjunction with the drive ring and the supporting pin, the engaging pin being provided on the base plate on an inner side of the supporting pin in the radial direction of the drive ring.. .
Seiko Precision Inc.


05/19/16
20160139489 

Optical device and forming the same


According to embodiments of the present invention, an optical device is provided. The optical device includes a channel waveguide, and a plurality of optical elements arranged along at least a portion of the channel waveguide to interact with light propagating in the channel waveguide, wherein a period of the plurality of optical elements changes nonlinearly along the portion of the channel waveguide.
Singapore University Of Technology And Design


05/19/16
20160139488 

Laser oscillation mechanism


A laser oscillation mechanism includes a pulse laser oscillator which oscillates a pulse laser beam, and an optical path changing unit which changes an angle of an optical path of the pulse laser beam oscillated by the pulse laser oscillator. The optical path changing unit is configured from an acousto-optic deflection unit including an acousto-optic device for changing the optical path of the pulse laser beam oscillated by the pulse laser oscillator within an effective region, and a volume bragg grating which excludes, from among pulse laser beams obtained by changing the angle of the optical path of the pulse laser beam by passing through the acousto-optic device, a pulse laser beam desired to be eliminated by refraction from within the effective region..
Disco Corporation


05/19/16
20160139487 

Optical modulator from standard fabrication processing


An optical modulator is disclosed that includes an optical resonator structure. The optical resonator structure includes at least one non-linear portion, the at least one non-linear portion comprising at least one radial junction region.
University Of Colorado


05/19/16
20160139486 

Sub-volt drive 100 ghz bandwidth electro-optic modulator


Electro-optical modulators and methods of fabrication are disclosed. An electro-optical modulator includes a mach-zehnder interferometer formed in a substrate removed semiconductor layer and a coplanar waveguide.
The Regents Of The University Of California


05/19/16
20160139485 

Multi-electrode photonic digital to analog converting vector modulator


A digital-electronic-to-analog-optical converter, which has a structure consistent with a super-mach-zehnder interferometer, and which can perform the functionalities of both a digital to analog converter (dac) and a digital modulator uses a sub-mach-zender modulator to modulate optical wave signals propagating through its optical waveguide in a push-pull manner. The modulation performed is phase modulation realized with electrodes positioned near the optical wave guide where such electrodes carry modulation signals in digital, analog or discrete time signal format creating electromagnetic or electric fields that engage the optical wave signals traveling through the waveguide thus imparting a phase shift onto the optical wave signals.
Alcatel-lucent Usa Inc.


05/19/16
20160139484 

Methods and systems for forming optical modulators using micro-contact lithography


optical modulators, one or more components of various optical modulators, and methods of forming optical modulators and/or one or more components are disclosed. A substrate may be provided and a precursor material may be applied to the substrate with a micro-contact printing stamp.
Empire Technology Development Llc


05/19/16
20160139483 

Additive particles for improving optical performance of an electrophoretic display


The present invention is directed to an electrophoretic fluid which comprises additive particles. The concentration of the additive particles in the electrophoretic fluid is 2.5% to 25% by weight and the additive particles are not seen at the viewing side during operation of the display.
E Ink California, Llc


05/19/16
20160139480 

Electrophoretic display apparatus


An electrophoretic display apparatus, adapted to be electrically connected with an external circuit, includes a driving array substrate, an electrophoretic display layer, and a first optical adhesive layer. The electrophoretic display layer includes a flexible substrate and a display medium layer.
E Ink Holdings Inc.


05/19/16
20160139477 

Controlling transitions in optically switchable devices


Aspects of this disclosure concern controllers and control methods for applying a drive voltage to bus bars of optically switchable devices such as electrochromic devices. Such devices are often provided on windows such as architectural glass.
View, Inc.


05/19/16
20160139464 

Display apparatus


Disclosed is a display apparatus including: a display panel; a light source unit; an optical sheet arranged between the display panel and the light source unit; and a housing configured to accommodate the display panel, the light source unit, and the optical sheet, wherein one side in a vertical direction and one side in a horizontal direction among four sides of the optical sheet are support sides held by inside walls of the housing, gaps are provided between the other sides and the inside walls of the housing, the optical sheet has a hole portion near the support sides, and the housing has a positioning portion that engages with the hole portion and restricts movement of the optical sheet in directions perpendicular to the inside walls while allowing deformation of the optical sheet in directions parallel to the support sides.. .
Canon Kabushiki Kaisha


05/19/16
20160139454 

Light diffusion member, manufacturing same, and display device


A light diffusion member includes a substrate that has optical transparency, a light diffusion portion that is formed with a prescribed height on one surface of the substrate, a light shielding layer that is formed with a thickness less than the height of the light diffusion portion in another region of the one surface of the substrate than the light diffusion portion, and an antiglare layer that is formed on the other surface of the substrate. The light diffusion portion includes a light emission end surface that contacts with the substrate, a light incident end surface that faces the light emission end surface and has a larger area than an area of the light emission end surface, and a side surface that is formed between the light emission end surface and the light incident end surface, and the antiglare layer includes a binder layer and plural light diffusion particles that are dispersedly arranged in the binder layer..
Sharp Kabushiki Kaisha


05/19/16
20160139442 

Touch liquid crystal display device


A touch liquid crystal display device includes: a backplate; a mold frame installed on the backplate; a liquid crystal panel installed on the mold frame; a bezel covering an edge of the liquid crystal panel, wherein the bezel is connected with the backplate; an optical film and a light source fixed between the backplate and the mold frame; and an electromagnetic screen disposed on the backplate.. .
Boe Technology Group Co., Ltd.


05/19/16
20160139437 

Nonreciprocal three-way divider based on a magneto-optical resonator


The present invention is based on a two-dimensional photonic crystal in which defects are inserted in a controlled manner, has the main function of division of the power of an input signal, excited in one of its six waveguides, among other three waveguides (output ones), while keeping isolation of the input port by means of two other waveguides. The operating principle of the device is based on the alignment of a dipole mode excited in the resonant cavity, in such a way that the nodes of this mode are oriented in the direction of two waveguides, so that these waveguides are not excited.
Universidade Federal Do ParÁ - Ufpa


05/19/16
20160139436 

Electro-optical single crystal element, the preparation thereof, and systems employing the same


The present invention relates to an electro-optical (e-o) crystal elements, their applications and the processes for the preparation thereof. More specifically, the present invention relates to the e-o crystal elements (which can be made from doped or un-doped pmn-pt, pin-pmn-pt or pzn-pt ferroelectric crystals) showing super-high linear e-o coefficient γc, e.g., transverse effective linear e-o coefficient γtc more than 1100 pm/v and longitudinal effective linear e-o coefficient γlc up to 527 pm/v, which results in a very low half-wavelength voltage vlπ below 200v and vtπ below about 87v in a wide number of modulation, communication, laser, and industrial uses..

05/19/16
20160139427 

Method for optimizing an optical surface


Method for optimizing an optical surface comprising: an initial optical surface providing step, a working optical surface defining step, during which a working optical surface is defined to be equal to the initial optical surface, a first surface cost function providing step, during which a first surface cost function of the nth derivative of the surface is provided, a set of surface cost functions providing step, during which a set of surface cost functions function of at least one criterion over evaluation zones is provided, a global surface cost function evaluation step during which a global surface cost function equal to a weighted sum of the previous cost functions is evaluated, a modifying step, during which the working surface is modified, wherein the evaluation and modifying steps are repeated so as to minimize the global surface cost function.. .
Essilor International (compagnie Generale D'optique)


05/19/16
20160139422 

Three-dimensional image display apparatus


A three-dimensional (3d) image display apparatus comprises a tracking module, a backlight module, a first optical structure, a display panel and a second optical structure. The tracking module outputs a coordinate information of a target.
Innolux Corporation


05/19/16
20160139417 

Multiple beam combiner for laser processing apparatus


Apparatus and methods for combining beams of amplified radiation are disclosed. A beam combiner has a collimating optic positioned to receive a plurality of coherent radiation beams at a constant angle of incidence with respect to an optical axis of the collimating optic.
Applied Materials, Inc.


05/19/16
20160139416 

Color mixing device and display device


A color mixing device and a display device are configured to represent the color white in a consistent fashion, even in low-luminance areas. These devices are provided with: a red light source for outputting red light at optical intensity in response to a first current presented thereto; a green light source for outputting green light at optical intensity in response to a second current presented thereto; a blue light source for outputting blue light at optical intensity in response to a third current presented thereto; and a color mixing means for color mixing of the red light, the green light, and the blue light together.
Nippon Seiki Co., Ltd.


05/19/16
20160139413 

Wide field of view head mounted display apparatuses, methods and systems


In one general aspect, an optical system for a head mounted display system is provided. The optical system includes an image source and an optical component.
Meta Company


05/19/16
20160139412 

Display device


According to one embodiment, a display device includes a display, an optical unit, and a reflector. The display includes a first display region emitting a first bundle of rays and a second display region emitting a second bundle of rays.
Kabushiki Kaisha Toshiba


05/19/16
20160139409 

Head-up display and vehicle using the same


A head-up display (hud) comprises a detection unit, a picture generating unit and a control unit. The detection unit detects a position of an object and generates a detection signal indicated the position of the object.
Magna Electronics Solutions Gmbh


05/19/16
20160139406 

System, device and method employing machine-readable symbol reader and shield


Machine-readable symbol reader systems including one or more shields are provided. One example machine-readable symbol reader system includes a conveyor system to convey objects bearing one or more machine-readable symbols past a first region that is transmissive to light.
Datalogic Ip Tech Srl


05/19/16
20160139403 

Optical apparatus, processing apparatus, and article manufacturing method


An optical apparatus is provided. The apparatus comprises a rotatable reflecting member including a first reflecting surface and a second reflecting surface, an optical system configured to sequentially reflect, by a plurality of reflecting surfaces included therein, light reflected by the first reflecting surface and cause the light to be incident on the second reflecting surface, and an adjusting device configured to change a rotation angle of the reflecting member to adjust an optical path of light that is reflected by the second reflecting surface and exits the second reflecting surface..
Canon Kabushiki Kaisha


05/19/16
20160139402 

Shuttered waveguide light field display


A light field display device comprising at least one multiplexed light field display module, the multiplexed light field display module comprising a view image generator, a waveguide, and a set of shutters spatially distributed along the waveguide, the view image generator optically coupled to the waveguide, the waveguide optically coupled to each shutter, the view image generator operable to generate a set of beams of light from one of a set of view images, the waveguide configured to transmit the set of beams along its length via internal reflection, each shutter operable to be switched between a closed state and an open state, the closed state of the shutter configured to prevent the beams from escaping the waveguide, the open state of the shutter configured to allow the beams to escape the waveguide, the module operable to generate, over time, the set of beams from a different one of the set of view images, and to open, over time, a different subset of the set of shutters, thereby to allow the set of beams escaping from the subset to correspond to a different one of the set of view images.. .

05/19/16
20160139398 

Specimen holder, specimen preparation device, and positioning method


A specimen holder is used for an optical microscope, comprising: a specimen support that supports a specimen to enable the specimen to tilt relative to the optical axis of the optical microscope; an adjustment plate that has an observation surface for making observations using the optical microscope; and an adjustment plate support that supports the adjustment plate, so that the angle formed by the optical axis and the observation surface is larger than the angle formed by the optical axis and a specimen surface of the specimen.. .
Jeol Ltd.


05/19/16
20160139396 

Optical apparatus


Provided is an optical apparatus including: a mounting section on which an object is mounted; an observation section including an imaging optical system that forms an image of the object mounted on the mounting section; a shaft section rotatable in a first direction and a second direction opposite to the first direction; a drive section that moves one of the observation section and the mounting section in a third direction that defies a gravity according to a rotation of the shaft section in the first direction and in a fourth direction opposite to the third direction according to a rotation of the shaft section in the second direction; and a torque control section including a clutch section that permits the rotation of the shaft section in the first direction, inhibits the rotation of the shaft section in the second direction, and rotates in the second direction with the shaft section as a rotation force in the second direction is input to the shaft section, and a restriction section that restricts the rotation of the clutch section.. .
Mitutoyo Corporation


05/19/16
20160139394 

Microscope, focusing unit, fluid holding unit, and optical unit


A microscope includes: a sample placement part having a placement surface on which to place a sample and a bottom face opposite to the placement surface; an observation lens; and an optical unit for generating sheet light and use of the microscope. The microscope of an embodiment is arranged such that the sheet light enters the sample placement part from the bottom face and passing through the sample placement part to irradiate the sample, and fluorescence from the sample passes through the sample placement part toward the bottom face to be received by the observation lens.
Riken


05/19/16
20160139392 

Optical microscope device, microscopic observation method and computer program for microscopic observation using single light-emitting particle detection technique


There is provided a microscopic observation technique capable of detecting a light-emitting object or a light-emitting particle moving in a thick sample by the scanning molecule counting method. In the inventive technique, the light from a light detection region of is detected the optical system of a confocal or multiphoton microscope is detected with while moving the light detection region in each observed subregion obtained by dividing a region to be observed into plural regions; the signal of the light from a light-emitting particle is individually detected; and the position of the light-emitting particle corresponding to the detected signal is determined in the region to be observed.
Olympus Corporation


05/19/16
20160139391 

Optical system for fluorescence observation


The controller is configured to process a fluorescent light image obtained by the camera by identifying a contiguous fluorescent region in the fluorescent light image, generating an image including a representation of the boundary of the contiguous fluorescent region, and supplying the generated image to the display.. .

05/19/16
20160139390 

Multipass virtually imaged phased array etalon


An example system determines biomechanical properties of eye tissue. The system includes a confocal microscopy system configured to scan the incident light across a plurality of cross-sections of the tissue.
Avedro, Inc.


05/19/16
20160139388 

Methods and systems for transport-of-intensity imaging


A transport-of-intensity imaging system is proposed which incorporates a control element positioned in an optical relay system, such as a 4f optical relay system, between a microscope system for generating an image of a specimen, and an image capturing device. The control element is located with an optical relay system, and is controllable to vary the focal plane without changing the spacing of the specimen and the image capturing device.
Nanyang Technological University


05/19/16
20160139387 

Preview station and taking preview images of microscope slides


A preview station for previewing microscope slides where each slide has one or more specimens thereon, the preview station having a tray holder supporting a slide tray with a plurality of slides thereon. A digital camera and lens is located on an optical axis relative to the slide tray and a light source illuminates the slide tray.
Huron Technologies International Inc.


05/19/16
20160139385 

Optical system, and optical apparatus including the same


Provided is an optical system including, in order from an object side to an image side, a first lens unit and a second lens unit with a positive refractive power. One of lenses of the first lens unit is the closest to the object side and has a negative refractive power.
Canon Kabushiki Kaisha


05/19/16
20160139382 

Imaging optical system for forming high-definition image and image projection apparatus having the same


An imaging optical system includes a first lens unit (b1) having a negative refractive power configured not to move for zooming from a wide-angle end to a telephoto end, and a plurality of lens units (b2 to b7) configured to move so that a space between lens units adjacent to each other changes during the zooming, the first lens unit includes a first lens subunit (b1a) having a negative refractive power, a second lens subunit (b1b) having a negative refractive power, and a third lens subunit (b1c) having a positive refractive power, the first lens subunit (b1a) is configured not to move for focusing from an infinity to a close range, and the second lens subunit (b1b) and the third lens subunit (b1c) constitute a focus moving unit configured to move, during the focusing, while a space between the second and third lens subunits is narrowed.. .
Canon Kabushiki Kaisha


05/19/16
20160139378 

Zoom lens and optical apparatus


A zoom lens is equipped with: a first lens group, which is fixed when changing magnification, provided most toward the magnification side; and a second lens group having a positive refractive power, which moves when changing magnification, provided adjacent to the first lens group at the reduction side thereof. The first lens group is constituted essentially by, in order from the magnification side to the reduction side, a front group having a positive refractive power and a rear group having a negative refractive power.
Fujifilm Corporation


05/19/16
20160139377 

Optical image capturing system


A five-piece optical lens for capturing image and a five-piece optical module for capturing image, along the optical axis in order from an object side to an image side, include a first lens with positive refractive power, wherein an object-side surface thereof can be convex; a second lens with refractive power; a third lens with refractive power; a fourth lens with refractive power; and a fifth lens, wherein the fifth lens can have negative refractive power, and an image-side surface thereof can be concave; an image-side surface and an object-side surface of each of the five lens elements are both aspheric. At least one surface of the fifth lens has an inflection point.
Ability Opto-electronics Technology Co., Ltd.


05/19/16
20160139375 

Camera methods and apparatus using optical chain modules which alter the direction of received light


Methods and apparatus for capturing or generating images using multiple optical chains operating in parallel are described. Pixel values captured by individual optical chains corresponding to the same scene area are combined to provide an image with at least some of the benefits which would have been provided by capturing an image of the scene using a larger lens than that of the individual lenses of the optical chain modules.
The Lightco Inc.


05/19/16
20160139374 

Electronic image pickup system


The invention relates to an electronic image pickup system whose depth dimension is extremely reduced, taking advantage of an optical system type that can overcome conditions imposed on the movement of a zooming movable lens group while high specifications and performance are kept. The electronic image pickup system comprises an optical path-banding zoom optical system comprising, in order from its object side, a 1-1st lens group g1-1 comprising a negative lens group and a reflecting optical element p for bending an optical path, a 1-2nd lens group g1-2 comprising one positive lens and a second lens group g2 having positive refracting power.
Olympus Corporation


05/19/16
20160139371 

Photographing lens optical system


Provided is a photographing lens optical system achieving high performances with low expenses. The lens optical system includes a first lens, a second lens, a third lens, and a fourth lens sequentially arranged between an object and an image sensor on which an image of the object is formed from the object side, and an aperture disposed between the object and the fifth lens, wherein the first to fourth lenses respectively have positive, negative, positive, positive, and negative refractive powers..
Kolen Co., Ltd.


05/19/16
20160139370 

Photographing lens optical system


Provided is a photographing lens optical system achieving high performance with low expenses. The lens optical system includes a first lens, a second lens, a third lens, and a fourth lens sequentially arranged between an object and an image sensor on which an image of the object is formed from the object side, and an aperture disposed between the object and the first lens, wherein the first to fifth lenses respectively have positive, negative, negative, positive, and negative refractive powers..
Kolen Co., Ltd.


05/19/16
20160139368 

Optical system


An optical system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens. The first lens includes an object-side surface that is convex with a meniscus shape.
Samsung Electro-mechanics Co., Ltd.


05/19/16
20160139365 

Optical image capturing system


A five-piece optical lens for capturing image and a five-piece optical module for capturing image, along the optical axis in order from an object side to an image side, include a first lens with positive refractive power having an object-side surface which can be convex; a second lens with refractive power; a third lens with refractive power; a fourth lens with refractive power; and a fifth lens which can have negative refractive power, wherein an image-side surface thereof can be concave, and wherein at least one surface of the fifth lens has an inflection point and both surfaces of each of the five lenses are aspheric whereby the optical lens can increase aperture value and improve the imaging quality for use in compact cameras.. .
Ability Opto-electronics Technology Co., Ltd.


05/19/16
20160139364 

Optical image capturing system


A five-piece optical lens for capturing image and a five-piece optical module for capturing image, along the optical axis in order from an object side to an image side, include a first lens with positive refractive power having a convex object-side surface; a second lens with refractive power; a third lens with refractive power; a fourth lens with refractive power; and a fifth lens with negative refractive power; and at least one of the image-side surface and object-side surface of each of the five lens elements are aspheric. The optical lens can increase aperture value and improve the imagining quality for use in compact cameras..
Ability Opto-electronics Technology Co., Ltd.


05/19/16
20160139363 

Mobile device and optical imaging lens thereof


Present embodiments provide for a mobile device and an optical imaging lens thereof. The optical imaging lens may comprise four lens elements positioned sequentially from an object side to an image side.
Genius Electronic Optical Co., Ltd.


05/19/16
20160139361 

Eyepiece optical system


An eyepiece optical system is achieved that is suitable for an object image displayed on a miniaturized image display device and can magnify the object image to a high magnification ratio, the distance to the eyepoint is long while achieving a wide apparent visual angle at a short focal length, various aberrations can be favorably corrected while achieving a superior optical quality, and the pupil diameter can be enlarged. The eyepiece optical system includes a first lens element having a meniscus shape with a concave surface on the object side, a positive second lens element, a negative third lens element, and a positive fourth lens element, in that order from the object side toward the eye side..
Ricoh Imaging Company, Ltd.


05/19/16
20160139360 

Optical image capturing system


A five-piece optical lens for capturing image and a five-piece optical module for capturing image, includes, in order from an object side to an image side, the optical lens along the optical axis, a first lens with positive refractive power, wherein an object-side surface thereof can be convex; a second lens with refractive power; a third lens with refractive power; a fourth lens which can have refractive power; and a fifth lens with negative refractive power, wherein an image-side surface of the fifth lens can be concave, both surfaces of each of the aforementioned lenses are aspheric, and at least one surface of the fifth lens has an inflection point whereby the optical lens can increase aperture value and improve the imaging quality for use in compact cameras.. .
Ability Opto-electronics Technology Co., Ltd.


05/19/16
20160139359 

Imaging lens module and mobile terminal


An imaging lens module includes an imaging lens assembly and a first optical component. The imaging lens assembly has an optical axis and includes a lens element.
Largan Precision Co., Ltd.


05/19/16
20160139355 

Fiber optic cable with flexible conduit


The present disclosure relates to a fiber optic cable that includes a plurality of internal optical fibers and a fiber optic cable portion. The fiber optic cable portion includes an outer jacket and an inner conduit, the inner conduit containing the plurality of optical fibers disposed therein.
Commscope Technologies Llc


05/19/16
20160139353 

Traceable optical fiber cable and filtered viewing device for enhanced traceability


A system and method for tracing an optical communication cable and related traceable fiber optic cable are provided. The system includes a traceable optical communication cable that includes an elongate light emitting element extending along at least a portion of the length of the cable body configured to emit light radially outward from the cable body, and the light emitted from the light emitting element has a wavelength range.
Corning Optical Communications Llc


05/19/16
20160139352 

Communication coupling interface


Systems, apparatuses, and devices for facilitating communication. An apparatus a first interface configured for coupling with a first pin pattern of an optical transceiver and a second interface configured for coupling with a second pin pattern of a printed circuit board.
Allied Telesis, Inc.


05/19/16
20160139351 

Method for assembling optical module and optical module


A method to determine a position of a lens that concentrates an optical beam on an inclined end surface of an optical fiber is disclosed. The method first determines two positions at which optical power output from the lens and measured through a multi-mode fiber becomes a maximum on respective virtual plane apart from the lens; then, calculates the direction or the angle of the optical beam output from the lens, and moves the lens so as to compensate a deviation of the calculated direction from the designed direction..
Sumitomo Electric Device Innovations, Inc.


05/19/16
20160139350 

Inverted 45 degree mirror for photonic integrated circuits


Inverted 45° semiconductor mirrors as vertical optical couplers for pic chips, particularly optical receivers and transmitters. An inverted 45° semiconductor mirror functions to couple light between a plane in the pic chip defined by thin film layers and a direction normal to a top surface of the pic chip where it may be generated or collected by an off-chip component, such as a wire terminal.

05/19/16
20160139349 

Optical wiring substrate, manufacturing optical wiring substrate and optical module


An optical wiring substrate includes an insulation layer including a resin, a first conductor layer formed on the insulation layer and including a metal, the first conductor layer including an inclined surface that is inclined relative to an optical axis of an optical fiber. The insulation layer further includes an end surface that faces a cladding of the optical fiber.
Hitachi Metals, Ltd.


05/19/16
20160139348 

Improvements in the interconnection systems between signal switching circuit boards


An optical interconnection assembly for the mutual connection of a plurality of signal switching circuit boards that may be coupled to a common planar support, backplane, includes a planar support frame, adapted to receive an ordered arrangement of connectors, which includes a series of first connectors arranged to face corresponding signal transmission ports of said boards, and a series of second connectors arranged to face corresponding signal reception ports of the boards. The support frame is adapted to guide the deployment of an interconnection circuit between corresponding pairs of first and second connectors.
Consiglio Nazionale Delle Ricerche


05/19/16
20160139346 

Telecommunication enclosure for external connection


A telecommunication enclosure (400) is described herein wherein the telecommunications enclosure (400) is configured for making an external optical connection. The enclosure includes a base (410) having at least one port (420) having an integral exterior section (421) disposed around the port (420) outside of the enclosure (400) and an optical coupling (450) disposed at least partially within the port (420).
3m Innovative Properties Company


05/19/16
20160139345 

Cylindrical optical ferrule alignment apparatus


An alignment sleeve for an optical fiber adapter includes features to bring precision alignment between optical fiber cores. The sleeve includes a tubular inner area to accept first and second ferrule ends of first and second connectors.
Commscope, Inc. Of North Carolina


05/19/16
20160139342 

Adapter and optical connector coupling system


An adapter includes an optical connector accommodation part having a first cavity in which a first optical connector having a first front end portion is to be accommodated, and a second cavity in which a second optical connector having a second front end portion is to be accommodated, and a spacer having a first surface configured to contact the first front end portion, a second surface configured to contact the second front end portion, and a light transmission part configured to enable a light beam to pass therethrough. The spacer being arranged between the first cavity and the second cavity.
Sumitomo Electric Industries, Ltd.


05/19/16
20160139341 

Optical fiber splicing unit, optical fiber splicing method, and holding member for optical fiber splicing unit


An optical fiber splicing unit includes: a mechanical splice which aligns optical fibers and puts the optical fibers between half-split elements to splice the optical fibers to each other; a splice holder portion which holds the mechanical splice; fixing member guide portions which respectively guide anchoring fixation members that are respectively fixed to the optical fibers at two sides of the held mechanical splice; anchoring portions which respectively anchor the anchoring fixation members, the anchoring fixation members being respectively guided by the fixing member guide portions and advancing; and a first spacer which abuts one anchoring fixation member and is disposed to be retracted to restrict the advancement of said one anchoring fixation member, said one anchoring fixation member being guided by one fixing member guide portion and advancing.. .
Fujikura Ltd.


05/19/16
20160139340 

Mems fiber optical switch


Methods, systems, and apparatus, including computer programs encoded on computer storage media, for optical switching. One of the optical switches includes a plurality of optical fibers positioned in an array, the plurality of fibers including one or more input fibers and a plurality of output fibers; a microelectromechanical (mems) mirror configured to controllably reflect light from an input fiber to a particular target output fiber of the plurality of output fibers, wherein a position of the mems mirror is controllable to switch from a first target output fiber to a second target output fiber of the plurality of output fibers, and wherein the position of the mems mirror is controlled using a vertically staggered comb drive..
Oplink Communications, Inc.


05/19/16
20160139339 

Grin lens array, lens-mounted connector, and lens-mounted connector system


A grin lens array of an embodiment has a structure for enabling a coupling face in which lens end faces of grin lenses are arranged, to be accurately polished so as to have a desired angle relative to optical axes of the grin lenses. The grin lens array has the grin lenses and a main body portion.
Sumitomo Electric Industries, Ltd.


05/19/16
20160139338 

Optical connector having waveguide and manufacturing same


An optical connector includes a semiconductor substrate, an epitaxial layer of photoelectric element, and a waveguide. The semiconductor substrate has a surface that includes a photoelectric element zone, a waveguide zone, and an optical fiber zone, and defines a receiving groove in the optical fiber zone extending through the optical fiber zone and connecting with the waveguide zone and configured for receiving an optical fiber.
Hon Hai Precision Industry Co., Ltd.


05/19/16
20160139337 

Dual-ended optical fiber pathway


In an optical fiber turnaround, first and second optical fiber cores are configured to transmit light bidirectionally along a transmission axis between proximal and distal ends of the first and second optical fiber cores. A reflector component is positioned at the distal ends of the first and second optical fiber cores.
Ofs Fitel, Llc


05/19/16
20160139336 

High efficiency pump signal combiner for high power fiber amplifier and laser applications


A high efficiency optical combiner minimizes core region distortions in the area where fusion splicing between an input tapered fiber bundle (or any other type of “cladding-less” input fiber) and output fiber are joined. The thickness of the output fiber's glass cladding layer in the splice region is reduced (if not removed altogether) so that a core-to-core splice is formed and any necked-down region where the glass flows to join the core regions (while also joining the outer diameters) is essentially eliminated.
Ofs Fitel, Llc


05/19/16
20160139335 

Semiconductor structure


A semiconductor structure is provided, the semiconductor structure comprising: a semiconductor substrate processed to comprise at least an optical aspect comprising at least a silicon photonics device and at least an electronic aspect comprising at least an electronic device; at least an interlayer dielectric layer provided on the semiconductor substrate, and at least an electrically interconnecting layer provided on the interlayer dielectric layer, wherein: the semiconductor structure further comprises at least a functional-oxide crystalline layer provided in relation to the interlayer dielectric layer before the interconnecting layer is provided on the interlayer dielectric layer, the functional-oxide crystalline layer comprising at least a functional-oxide material and is processed to comprise at least an active optical device, and the interlayer dielectric layer comprises a first surface and a second surface, the first surface being in common to at least a respective part of the optical aspect and the electronic aspect.. .
International Business Machines Corporation


05/19/16
20160139333 

Bending insensitive single-mode optical fiber


In one aspect of the invention, the bend insensitive single-mode optical fiber includes a core layer and cladding layers having an inner cladding layer, a trench cladding layer and an outer cladding layer sequentially formed surrounding the core layer from inside to outside. For the core layer, the diameter is 7-7.9 μm, and the relative refractive index difference Δ1 is between 4.6×10−3 and 6.0×10−3.
Yangtze Optical Fibre And Cable Joint Stock Limited Company


05/19/16
20160139332 

Optical fiber


The present invention relates to an optical fiber containing a glass fiber and a resinous coating layer that covers a periphery of the glass fiber, in which the resinous coating layer contains an ethanol of 10 mg or less or a methanol of 2 mg or less per gram of the resinous coating layer.. .
Sumitomo Electric Industries, Ltd.


05/19/16
20160139331 

Optical fiber coating compositions with acrylic polymers


An optical fiber coating composition is provided. The optical fiber coating composition includes a radiation-curable component, a photoinitiator, and an acrylic polymer having at least one benzophenone group..
Corning Incorporated


05/19/16
20160139328 

Light emitting device


A light emitting device (1) is provided comprising a light source (2) adapted for, in operation, emitting light (13) with a first spectral distribution, a first luminescent light guide (4) comprising a first light input surface (41) and a first light exit surface (42) extending at an angle different from zero to one another, and being adapted for receiving the light (13) with the first spectral distribution at the first light input surface (41), converting the light (13) with the first spectral distribution to light (14) with a second spectral distribution, guiding the light (14) with the second spectral distribution to the first light exit surface (42) and coupling the light (14) with the second spectral distribution out of the first light exit surface (42), and a first transparent heat sink element (3) arranged adjacent to at least one surface of the first luminescent light guide (4) and in the optical path between the light source (2) and the first luminescent light guide (4), the at least one surface being different from the light exit surface (42), wherein the first transparent heat sink element (3) is adapted for redirecting light by means of any one of refraction and diffraction.. .
Koninklijke Philips N.v.


05/19/16
20160139326 

Backlight unit, display device comprising the same and manufacturing the same


A display device includes a backlight unit. The backlight unit may include a first light guide plate (lgp) comprising a first optical material and a second optical material.
Samsung Electronics Co., Ltd.


05/19/16
20160139316 

Wall wash luminaire with light guide and optical element therefore


A light shaping article includes a solid optic having a cross-sectional profile including an input interface; a convex output surface opposite the input interface; a concave first side surface extending between the input interface and the convex output surface; and a second side surface opposite the concave first side surface extending from between input interface to the convex output surface. The concave first side surface and the convex output surface are configured such that, when the solid optic receives input light having an input angular range in a plane of the cross-sectional profile, the solid optic guides the light to and emits the light from the output surface in an output angular range in the plane.
Quarkstar Llc


05/19/16
20160139312 

Method and manufacturing polarizing film and polarizing film manufactured using the same


Disclosed herein are a polarizing film manufacturing method including (a) injecting a coating solution containing a component functioning as a polarizer into a sealed chamber to form an injection condition of the coating solution, (b) supplying a polyvinyl alcohol film into the chamber and dyeing outer surfaces of the polyvinyl alcohol film with the coating solution, and (c) discharging the polyvinyl alcohol film dyed with the coating solution out of the chamber, a polarizing film manufacturing apparatus, and a polarizing film exhibiting improved optical properties manufactured using the same.. .
Lg Chem, Ltd.


05/19/16
20160139307 

Electronic displays using optically pumped luminescent semiconductor nanocrystals


A multicolor electronic display is based on an array of luminescent semiconductor nanocrystals. Nanocrystals which emit tight of different colors are grouped into pixels.
The Regents Of The University Of California


05/19/16
20160139305 

Structured granular composite materials, methods of fabrication thereof and applications thereof


A structured granular optical component for use within an optical apparatus includes a primary optically active component comprising a first optical material and a secondary optically active component contained within the first optically active component and comprising a second optical material different than the first optical material. The first optical material and the second optical material are selected to influence scattering.
University Of Central Florida Research Foundation, Inc.


05/19/16
20160139301 

Method for preparing optical lenses


The present invention relates to a composition comprising 10 to less than 50 wt.-% of at least one oligomeric polyisocyanate a-1) based on hexamethylene diisocyanate and more than 50 to 90 wt.-% of at least one polyisocyanate a-2) based on isophorone diisocyanate, comprising monomeric isophorone diisocyanate and at least one oligomeric isophorone diisocyanate, and an isocyanate-reactive component selected from the group consisting of polyester polyol, polyether polyol and mixtures thereof. It has been shown that the above mentioned mixture of the specific isocyanate group containing components improves the thermal and mechanical properties of a cured composition.
Covestro Deutschland Ag


05/19/16
20160139296 

Integrated computational elements with laterally-distributed spectral filters


Technologies for providing optical analysis systems using an integrated computational element with laterally-distributed spectral filters are described. A measurement tool contains an optical element including a substrate and a plurality of spectral filters supported by the substrate and arranged at different lateral positions with respect to a path of light to be received from a sample during operation of the measurement tool.
Halliburton Energy Services, Inc.


05/19/16
20160139280 

Neutron detector with interblended liquid scintillator


A neutron detector that utilizes cells in which a liquid scintillator is contained in elongated detector tubes, with photo-detectors disposed at each end of the tube to measure scintillation light generated by incident neutrons. The liquid scintillator is an interblended mixture including an ionic liquid blended with a scintillation enhancer and/or a moderator and/or a controlled optical attenuator.
Palo Alto Research Center Incorporated


05/19/16
20160139279 

Radiation imaging control apparatus, radiation imaging system and radiation imaging apparatus, and controlling the same


A radiation imaging control apparatus, which is communicable with a radiation imaging apparatus including a radiation sensor and capable of acquiring an x-ray moving image, includes a first communication unit configured to communicate with the radiation imaging apparatus via ethernet communication, a second communication unit configured to communicate with the radiation imaging apparatus via at least a pair of bidirectional serial optical communication lines, a first control unit configured to cause the first communication unit to transmit a first signal for setting at least one parameter to the radiation imaging apparatus, a second control unit configured to cause the second communication unit to output data of the x-ray moving image received from the radiation imaging apparatus to an image processing unit, and transmit a second signal for some settings to the radiation imaging apparatus.. .
Canon Kabushiki Kaisha


05/19/16
20160139266 

Methods and phased array imaging


A method of imaging a scene includes generating a temporally varying optical intensity pattern from at least one continuous wave (cw) light beam. The method also includes illuminating at least one portion of the scene with the temporally varying optical intensity pattern so as to cause a photon to scatter or reflect off the at least one portion of the scene.

05/19/16
20160139243 

Detector for optically detecting at least one object


A detector for determining a position of at least one object. The detector includes: at least one optical sensor configured to detect a light beam traveling from the object towards the detector, the optical sensor including at least one matrix of pixels; and at least one evaluation device configured to determine an intensity distribution of pixels of the optical sensor that are illuminated by the light beam, the evaluation device further configured to determine at least one longitudinal coordinate of the object by using the intensity distribution..
Basf Se


05/19/16
20160139206 

Contact wear detection by spectral analysis shift


A contact wear detector includes an electrical contact 100 having a base layer 110 composed of a first material and a contacting layer 120 composed of a second material, to electrically contact an opposing contact in the circuit. The base layer is capable of having portions exposed through worn areas 125 of the contacting layer.
Schneider Electric Usa, Inc.


05/19/16
20160139135 

Optically-detectable enzyme substrates and their use


The present invention relates to compounds that are substrates for an enzyme, and upon reaction with the enzyme provide a detectable response, such as an optically detectable response. In particular, the compounds have utility in detecting the presence of a β-lactamase in a sample.
Life Technologies Corporation


05/19/16
20160139115 

Device for use in the detection of binding affinities


A device (1) for use in the detection of binding affinities comprises a substrate (2) devoid of a waveguide. The substrate (2) has a planar surface (21) having arranged thereon a plurality of binding sites (31) capable of binding with a target molecule (32).
Hoffmann-la Roche Inc.


05/19/16
20160139099 

Automated machine and fruit testing


An improved fruit tester and method provides a plunger intrusion-type mechanism, a precision scale and an associated computer for control of the mechanism and for recordation, presentation and analysis of data sensed by the mechanism. An electrically powered variable speed motor carries an optical encoder to sense rotary direction and speed data, which is transmitted through circuitry to an associated computer for analysis to determine control data to maintain pre-programmed motor function.

05/19/16
20160139065 

Method and system for determining strain distribution in a sample


A control system is presented for use in measuring one or more parameters of a sample. The control system comprises an input utility and a processor utility.
Nova Measuring Instruments Ltd.


05/19/16
20160139064 

X-ray device and manufacturing structure


Provided is a device capable of suppressing a drop in detection accuracy, and a manufacturing method of a structure. A detection device is a device that irradiates a subject with x-rays and detects the x-rays transmitting through the subject, and includes an x-ray source that emits x-rays, a table that holds the subject, a detector that detects at least a portion of the transmitted x-rays emitted from the x-ray source and transmitted through the subject, and a first guide device and a second guide device that guide movement of the table in a direction parallel to an optical axis of the x-ray source while supporting the table.
Nikon Metrology Nv


05/19/16
20160139062 

Method for detecting defects in a rod-shaped transparent object


A method for inspecting defects inside a rod-shaped transparent object by using a scanning beam of parallel light rays directed onto a rod-shaped transparent object orthogonally to the longitudinal axis of the object so that an inspection plane comprises an object's cross-section. The scanning beam is detected at an opposite side of the rod-shaped object that is interposed to intercept the parallel rays of the scanning beam.
Prysmian S.p.a.


05/19/16
20160139059 

Inspection device


An inspection device is required to detect a minute defect, that is, to have high sensitivity as semiconductor devices become finer. There are some approaches for improving the sensitivity.
Hitachi High-technologies Corporation


05/19/16
20160139049 

Optical sensor and measuring quantitatively detecting an analyte in a sample


A sensor for quantitatively detecting an analyte in a sample, wherein an optical behavior of at least one dye depending on the analyte is used for the quantitative detection is provided. The at least one dye is contained in a medium.
Presens Precision Sensing Gmbh


05/19/16
20160139046 

Compact sensor for measuring turbidity or fluorescence in a fluid sample


Provided are turbidometers and fluorometers having a unique form-factor to accommodate a number of optical components in a confined geometry. This provides the ability to compensate for change in light intensity from an optical source even in a closed-loop manner.
In-situ, Inc.


05/19/16
20160139036 

Optical measuring an environmental parameter


An optical system for sensing an environmental parameter, comprising: an optical pulse generator for generating an excitation pulse; a pulse splitter for splitting the excitation pulse into a sensing pulse and a reference pulse; a sensing arm for receiving the sensing pulse, the sensing arm comprising an emission sensor for sensing the environmental parameter, the optical emission sensor generating a first measurement pulse having a measurement wavelength; a reference arm for receiving the reference pulse, the reference arm comprising an emission artefact adapted to convert the reference pulse into a second measurement pulse having the measurement wavelength; a time delay line for delaying a relative propagation of the measurement pulses; a light detector for measuring an optical energy of the first and second measurement pulses; and an optical link for optically connecting the pulse generator to the pulse splitter, and the sensing and reference arms to the light detector.. .
Institut National D'optique


05/19/16
20160139033 

Device for compensating for the drift of a phase shift of a device for modulating the polarization state of a light beam


A device for analyzing and/or generating a polarization state of a measurement point of a target object includes a polarizer suitable for selecting, in an incident light wave, a light beam which is linearly polarized in a predefined direction; a first birefringent element suitable for having the light beam pass therethrough; a second birefringent element identical to the first element and suitable for having the light beam pass therethrough, the light beam then being directly or indirectly directed toward the object in order to be reflected in the form of a reflected beam. The device includes an optical assembly having one or more optical elements located in an optical path between the first element and the second element, and the optical assembly includes an odd number of mirrors, or, an odd number of half-wave plates, or, an odd number of a mix of mirrors and half-wave plates..
Centre National De La Recherche Scientifique - Cnrs-






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