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Optical patents



      
           
This page is updated frequently with new Optical-related patent applications. Subscribe to the Optical RSS feed to automatically get the update: related Optical RSS feeds. RSS updates for this page: Optical RSS RSS


Optical disc drive and main frame of optical disc drive

Method and apparatus for determining wave characteristics using interaction with a known wave

Methods, uses and system for transmitting, converting, and displaying a challenge token as an optically readable code

Date/App# patent app List of recent Optical-related patents
08/21/14
20140237516
 Capture of stylized tv table data via ocr patent thumbnailCapture of stylized tv table data via ocr
In certain implementations consistent with the present invention, a method of detecting text in a television video display table involves saving a frame of video to a memory device; determining that the frame of video contains a table having cells containing text; storing a working copy of the frame of video to a memory; isolating text in the table by: removing any table boundaries from the image; removing any cell boundaries from the image; determining if the image has three dimensional or shadow attributes and removing any three dimensional or shadow attributes identified; thereby producing text isolated against a contrasting color background; and processing the isolated text using an optical character recognition (ocr) engine to extract the text as data. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract..
08/21/14
20140237491
 Optical disc drive and main frame of optical disc drive patent thumbnailOptical disc drive and main frame of optical disc drive
Provided is an optical disc drive that may prevent an optical disc from dropping during an unclamping operation. The optical disc drive includes a main frame to support the optical disc drive and a disc tray in which the optical disc is disposed, and one or more stopper mechanisms to prevent the optical disc disposed on the disc tray from dropping..
08/21/14
20140237014
 Method and apparatus for determining wave characteristics using interaction with a known wave patent thumbnailMethod and apparatus for determining wave characteristics using interaction with a known wave
The described system and method uses data from interaction between a known wave and an unknown wave to analyze or characterize the unknown wave using cross correlation frequency resolved optical gating (x-frog). The system may obtain x-frog trace data from the interaction between the two waves.
08/21/14
20140236834
 Methods, uses and system for transmitting, converting, and displaying a challenge token as an optically readable code patent thumbnailMethods, uses and system for transmitting, converting, and displaying a challenge token as an optically readable code
The present invention includes methods for completing the secure transfer of information, such as purchase transactions, money transfers, identification transfers, loyalty point transfers and coupon transfers. The methods comprise generating, transmitting and displaying a digital challenge token as an optically readable code, to be scanned and answered.
08/21/14
20140236024
 Medical probe with multi-fiber lumen patent thumbnailMedical probe with multi-fiber lumen
The present invention relates to a medical probe which consists of a cannula with a multilumen stylet inside. The multilumen contains at least two lumen.
08/21/14
20140236023
 Probe patent thumbnailProbe
A probe, such as a spectroscopic probe, for enabling a fluid or tissue sample to be tested in situ. The probe includes a conduit, such as a hypodermic needle, that can be inserted into a test subject and a wave coupling arranged to direct electromagnetic radiation, such as light, from an energy source to the sample and/or from the sample to a receiver for analysis.
08/21/14
20140236022
 Scanning optical systems patent thumbnailScanning optical systems
Scanning mechanisms that have application in confocal imaging use electromagnetic actuation to move elements in an optical system. An objective lens mounted to a flexure comprising a magnetic material is actuated in the axial direction by an electromagnet coil.
08/21/14
20140236021
 Near-infrared super-continuum lasers for early detection of breast and other cancers patent thumbnailNear-infrared super-continuum lasers for early detection of breast and other cancers
A system and method for using near-infrared or short-wave infrared (swir) light sources for early detection and monitoring of breast cancer, as well as other kinds of cancers may detect decreases in lipid content and increases in collagen content, possibly with a shift in the collagen peak wavelengths and changes in spectral features associated with hemoglobin and water content as well. Wavelength ranges between 1000-1400 nm and 1600-1800 nm may permit relatively high penetration depths because they fall within local minima of water absorption, scattering loss decreases with increasing wavelength, and they have characteristic signatures corresponding to overtone and combination bands from chemical bonds of interest, such as hydrocarbons.
08/21/14
20140236019
 Device, system and method for blood vessel imaging and marking patent thumbnailDevice, system and method for blood vessel imaging and marking
The present invention relates to a device, system and a method for blood vessel imaging, detection, and marking and in particular, to such a device, system and method in which an optical enhancers are utilized to increase the accuracy and quality of the process for detecting a blood vessel.. .
08/21/14
20140236003
 Interfacing systems, devices, and methods for optical imaging patent thumbnailInterfacing systems, devices, and methods for optical imaging
An imaging interface for diffuse optical tomography of breast includes a plurality of concentric rings. Each concentric ring can include a plurality of optical input/output apertures arranged on a radially inner surface thereof.
08/21/14
20140236002
Methods and systems for imaging tissue motion using optical coherence tomography
A system and method for measuring tissue motion within a living tissue of the anterior segment and aqueous outflow system of the eye in a subject are provided. Tissue movements are extracted from a plurality of images acquired from the living tissue using an optical coherence tomography system.
08/21/14
20140235972
Method and apparatus for determination of a measure of a glycation end-product or disease state using tissue fluorescence
Embodiments of the present invention provide an apparatus suitable for determining properties of in vivo tissue from spectral information collected from the tissue. An illumination system provides light at a plurality of broadband ranges, which are communicated to an optical probe.
08/21/14
20140235964
Hand-held vital signs monitor
The invention features a vital sign monitor that includes: 1) a hardware control component featuring a microprocessor that operates as interactive, icon-driven gui on an lcd; and, 2) a sensor component that connects to the control component through a shielded coaxial cable. The sensor features: 1) an optical component that generates a first signal; 2) a plurality electrical components (e.g.
08/21/14
20140235948
Method for single-fiber microscopy using intensity-pattern sampling and optimization-based reconstruction
A method for imaging an object with resolution that exceeds the number of spatial modes per polarization in a multimode fiber is disclosed. In some embodiments, the object is interrogated with a plurality of non-spot-sized intensity patterns and the optical power reflected by the object is detected for each intensity pattern.
08/21/14
20140235946
Optical obturator visualization system
A visualization system includes an obturator assembly and an endoscope. The obturator assembly includes two body halves defining a longitudinal split line.
08/21/14
20140235945
Image capture unit and method with an extended depth of field
In a minimally invasive surgical system, an image capture unit includes a prism assembly and sensor assembly. The prism assembly includes a beam splitter, while the sensor assembly includes coplanar image capture sensors.
08/21/14
20140235886
Phosphorus-based (meth)acrylate compound and method of preparing the same
This invention relates to a novel compound having high refractive index suitable for use in optical resin materials, etc., without containing a sulfur atom, and to a method of preparing the same, in which the compound is a phosphorus-based (meth)acrylate compound represented by formula (i).. .
08/21/14
20140235857
Intermediate for manufacture of polymerizable compound and process for manufacture thereof
The present invention pertains to a compound represented by a formula (i) and a method for producing thereof (in the formula, ax is an organic group having 2 to 30 carbon atoms that includes at least one aromatic ring selected from a group consisting of an aromatic hydrocarbon ring and an aromatic hetero ring, ay is a hydrogen atom, an alkyl group having 1 to 18 carbon atoms, a cycloalkyl group, an alkenyl group having 2 to 18 carbon atoms, an organic group having 2 to 30 carbon atoms that includes at least one aromatic ring selected from a group consisting of an aromatic hydrocarbon ring and an aromatic hetero ring, or the like. Ax and ay optionally bond to each other to form a ring, and q is a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, or the like.).
08/21/14
20140235826
Optically-based stimulation of target cells and modifications thereto
Stimulation of target cells using light, e.g., in vivo or in vitro, is implemented using a variety of methods and devices. One example involves a vector for delivering a light-activated molecule comprising a nucleic acid sequence that codes for light-activated molecule.
08/21/14
20140235817
Semiconducting polymers
Novel semiconducting photovoltaic polymers with conjugated units that provide improved solar conversion efficiency that can be used in electro-optical and electric devices. The polymers exhibit increased solar conversion efficiency in solar devices..
08/21/14
20140235806
Curable silicone composition for sealing an optical semiconductor element, method of producing a resin-sealed optical semiconductor element, and resin-sealed optical semiconductor element
A curable silicone composition for sealing an optical semiconductor element, comprising: (a) an organopolysiloxane that has at least two silicon-bonded vinyl groups in one molecule, that has c1-10 alkyl for the other silicon-bonded organic groups therein, and that lacks a siloxane unit represented by the following formula: sio4/2; (b) an organopolysiloxane represented by an average unit formula; (c) an organopolysiloxane that has at least three silicon-bonded hydrogen atoms in one molecule, that has c1-10 alkyl for the silicon-bonded organic groups therein, and that contains from 0.7 to 1.6 mass % of silicon-bonded hydrogen atoms; and (d) a hydrosilylation reaction catalyst, wherein a viscosity at 25° c. And a viscosity at 100° c.
08/21/14
20140235409
System for monitoring fitness performance
A workout system for monitoring fitness and generating a workout summary is disclosed. The system includes a workout module that integrates with weight lifting equipment.
08/21/14
20140235142
Device for polishing optical lenses
The device for polishing optical lenses includes a lens holder; a device for positioning the lens holder; and a device for rotating the lens holder about an axis. There is also a polishing tool; a tool holder; a device for positioning the tool holder; and a device for rotating the tool holder about an axis.
08/21/14
20140235123
Highly conducting and transparent film and process for producing same
An optically transparent and electrically conductive film composed of metal nanowires or carbon nanotubes combined with pristine graphene with a metal nanowire-to-graphene or carbon nanotube-to-graphene weight ratio from 1/99 to 99/1, wherein the pristine graphene is single-crystalline and contains no oxygen and no hydrogen, and the film exhibits an optical transparence no less than 80% and sheet resistance no higher than 300 ohm/square. This film can be used as a transparent conductive electrode in an electro-optic device, such as a photovoltaic or solar cell, light-emitting diode, photo-detector, touch screen, electro-wetting display, liquid crystal display, plasma display, led display, a tv screen, a computer screen, or a mobile phone screen..
08/21/14
20140235009
Method for making an imager device
Removing part of the layer of sacrificial material through the aperture, forming between the reflective layer and the layer of electric insulating material at least one optical cavity.. .
08/21/14
20140234995
Method of forming flexible and tunable semiconductor photonic circuits
Methods to physically transfer highly integrated silicon photonic devices from high-quality, crystalline semiconductors on to flexible plastic substrates by a transfer-and-bond fabrication method. With this method, photonic circuits including interferometers and resonators can be transferred onto flexible plastic substrates with preserved optical functionalities and performance..
08/21/14
20140234984
Optical measurement
An optical apparatus comprises an ultraviolet light source (100) configured to transmit the ultraviolet light to a sample (102), one or more wavelength dependent beam splitters (104) and at least two separate detectors (106, 108). Each beam splitter (104) receives, from the sample (102), a band of excitating ultraviolet light and at least one band of fluorescence associated with an interaction between the excitating ultraviolet light and the sample (102) in the optical path through the sample (102), directs the band of excitating ultraviolet light passed through the sample (102) towards a first detector (106), and directs the at least one band of the fluorescence towards at least one separate detector (108).
08/21/14
20140234865
Instrument and method for optical particle sensing
Devices for detecting particle sizes and distributions using focused light scattering techniques, by passing a sample through a focused beam of light, are disclosed. In one embodiment, the devices include one or more lasers, whose light is focused into a narrow beam and into a flow cell, and dispersions are passed through the flow cell using hydrodynamic sample injection.
08/21/14
20140234804
Assisted guidance and navigation method in intraoral surgery
An assisted guidance and navigation method in intraoral surgeries is a method using computerized tomography (ct) photography and an optical positioning system to track medical appliances, the method including: first providing an optical positioning treatment instrument and an optical positioning device; then obtaining image data of the intraoral tissue receiving treatment through ct photography, precisely displaying actions of the treatment instrument in the image data, and real-time checking an image and guidance and navigation. Therefore, during the surgery, the existing use habits of the physicians are not affected and accurate and convenient auxiliary information is provided, and attention is paid to using the treatment instrument in physical environments such as a patient's tooth or dental model..
08/21/14
20140234803
Method for validating a drilling template for producing an implant-borne tooth replacement
The invention relates to a method for validating a drilling template for producing an implant-borne tooth replacement before performing an implant drilling. The drilling template produced is placed on dental structures of a jaw area that is to be provided with the tooth replacement.
08/21/14
20140234661
Methods to incorporate silver nanowire-based transparent conductors in electronic devices
Disclosed herein are optical stacks that are stable to light exposure by incorporating light-stabilizers and/or oxygen barriers.. .
08/21/14
20140234637
Optical article comprising a temporary antifog coating based on sorbitan surfactants
An optical article includes a substrate having a main surface coated with an antireflection coating and, directly contacting the antireflection coating, a precursor coating of an antifog coating obtained through the grafting on the antireflection coating of at least one compound b bearing a polyoxyalkylene group, the coating precursor of the antifog coating being coated with a surfactant film so as to form an antifog coating. The surfactant film contains at least one surfactant a having a sorbitan ring hydroxyl groups functionalized with oh-terminated polyoxyalkylene groups and r1 groups of formula: —(rdo)z—(y)n2—r′, in which rd is an alkylene group, z is an integer >1, y is a divalent group, n2 is 0 or 1 and r′ is a saturated hydrocarbon group having 12 to 1 9, preferably 1 3 to 19 carbon atoms.
08/21/14
20140234618
Methods to incorporate silver nanowire-based transparent conductors in electronic devices
Disclosed herein are optical stacks that are stable to light exposure by incorporating light-stabilizers.. .
08/21/14
20140234596
Adhesive structure of optical component, manufacturing method thereof, and image output device
An adhesive structure of an optical component includes a horizontal surface and a vertical surface. In a structure in which an optical component is adhered to a chassis having the horizontal surface and the vertical surface, an adhesive force per unit area of the vertical surface is higher than that per unit area of the horizontal surface..
08/21/14
20140234553
Method of coating liquid optically clear adhesives onto rigid substrates
A method for making an optical assembly is disclosed. The method involves disposing a liquid optically clear composition with a coating head.
08/21/14
20140234532
Laminated composite material for producing display element, optical element, or illumination element
This disclosure, viewed from one aspect, relates to a laminated composite material, including a glass plate and an organic resin layer. The organic resin layer is laminated on one surface of the glass plate, the organic resin is a polyamide resin, the rate of mass change of the polyamide resin from 300° c.
08/21/14
20140234179
Methods and devices for detecting and measuring environmental conditions in high performance device packages
An environmental condition sensing device includes an interferometric modulator with optical properties, which change in response to being exposed to a predetermined environmental threshold or condition. The device includes an environmental reactive layer, which alters composition, in an optically-detectable manner, in response to being exposed to a predetermined environmental threshold or condition..
08/21/14
20140233966
Recovering data from quadrature phase shift keying modulated optical signals
Systems, devices and techniques for processing received qpsk modulated optical signals include sampling the received signal at twice the baud rate, thereby producing samples that are then processed as 9-qam symbols using a decision directed least squares optimization method. Data bits are then recovered from the resulting symbol estimates.
08/21/14
20140233965
System and method for monitoring and control of an optical modulator for an m-qam transmitter
A system includes an optical power meter operable to generate an optical power signal corresponding to the optical power of a received output signal generated by an optical iq-modulator. The system further includes a processor operable to receive the optical power signal and determine, based on a minimization algorithm and the received optical power signal, a first bias voltage to be applied to a first sub-modulator of the optical iq-modulator and a second bias voltage to be applied to a second sub-modulator of the optical iq-modulator.
08/21/14
20140233964
Method for generating an optimized return-to-zero pulse shape against aggressive optical filtering and an optical transmitter implementing the method
An optical transmitter comprises: first and second sets of optical in-phase and quadrature modulators; an integrable tunable laser assembly; a first polarization beam splitter that is configured to divide the continuous-waveform optical signal into a x-polarized tributary and a y-polarized tributary, each of the x-polarized tributary and the y-polarized tributary is modulated by one of the first and second sets of optical in-phase and quadrature modulators in accordance with the two respective input signals; a second polarization beam splitter that is configured to combine the modulated x-polarized tributary and the modulated y-polarized tributary into one optical signal; and an optical modulator that is configured to modulate the combined optical signal using a driving voltage, wherein the driving voltage has a bias point that is reduced by a predefined offset from a predefined reference voltage level.. .
08/21/14
20140233963
Optical output device and method for contorolling an optical transmitter
Since it is difficult to emit a control a iq modulator emitting modulated lightwave according to qam format without signal degradation of said emitted signal due to low frequency dither used for the control of said modulator, a method for controlling an optical transmitter according to an exemplary aspect of the invention includes: generating a multilevel electrical signal by means of combining two or more binary electrical signals, where said multilevel signal is used to drive the modulator of adding a low frequency dither signal on several of the binary electrical signals, wherein the phase of the added dither signal depends on the value of the binary signal to which it is added; tapping a portion of light after the modulator and generating a monitor signal from the tapped light; controlling the modulator according to the monitor signal.. .
08/21/14
20140233962
Optical modulator module and modulation method for optical signal
An optical modulator module includes an optical modulator including an optical waveguide which conducts an inputted optical signal, and m modulator regions on the optical waveguide; and m discrete driving circuits serially connected to one another. The discrete driving circuits include a driving circuit which outputs a signal obtained from a digital input signal with a synchronization signal to one of the modulator regions, and a phase shifting circuit which outputs a signal resulting from giving a delay to a signal branched from the synchronization signal.
08/21/14
20140233961
Optical communication module including optical-electrical signal converters and optical signal generators
An optical communication module includes a substrate, an optical signal receiving unit, an optical signal emitting unit and a coupler. The substrate includes a first surface and a second surface.
08/21/14
20140233960
Dynamic packet redundancy for a free space optical communication link
System (100) and methods (1100) for improving packet loss due to fast optical power fades in an fso communication link (136). The methods involve: obtaining channel fade statistics (“cfss”) for the fso communication link; and analyzing cfss to determine if redundant packet transmission (“rpt”) is required to mitigate fast optical power fading.
08/21/14
20140233958
Uni-fiber lasercom terminal design
A method, system, and apparatus for a uni-fiber laser communications (lasercom) terminal are disclosed herein. The apparatus includes an oscillator to generate a first signal having a first wavelength, and a modulator to modulate the first signal.
08/21/14
20140233957
Optical signal processing apparatus, transmission apparatus, and optical signal processing method
An optical signal processing apparatus includes: an optical frequency comb generation unit configured to generate an optical frequency comb; an extraction unit configured to extract a plurality of optical components having a certain frequency interval between the optical components from the optical frequency comb; and an optical carrier generation unit configured to multiplex the plurality of optical components with reference light to thereby generate an optical carrier having a center frequency away from the center frequency of the reference light by an integer multiple of the frequency interval.. .
08/21/14
20140233956
Allocation of spectral capacity in a wavelength-division multiplexing optical network
A method for allocating spectral capacity in a wdm optical network comprising: —providing (4) a group of connection demands, —defining a group of candidate lightpaths that are adapted to carry an optical signal transparently, —defining a highest admissible spectral efficiency for each candidate lightpath, —computing (6) a respective spatial path for each connection demands, —for each candidate lightpath, determining the connection demands that match the candidate lightpath and computing its (12) spectral resource saving as a function of the difference between the spectral resources that would be used with its highest admissible spectral efficiency and the spectral resources that would be used with its reference spectral efficiency for the total capacity of the matching connection demands, —selecting (14) and allocating spectral resources to the candidate lightpath having the highest admissible spectral resource saving, —removing (14) the selected candidate lightpath and iterating to the step of determining the matching connection demands.. .
08/21/14
20140233955
Passive optical network system
A system for providing bi-directional rf services over a point-to-multipoint passive optical network (pon). A system that can transport upstream rf signals generated by devices such as a set top box or a cable modem, through a passive optical network while simultaneously supporting downstream rf video and bi-directional base-band services on the pon..
08/21/14
20140233954
Link establishment method for multi-wavelength passive optical network system
Provided is a method of establishing a link between service provider equipment and subscriber equipment in a multi-wavelength passive optical network system. The method of establishing a link includes acquiring information about a wavelength plan of allocated wavelengths in the mw pon system; transmitting a first signal wavelength initialization request signal on a first upstream wavelength from physical layer to the service provider equipment; waiting for a response from the service provider equipment for a predetermined time interval after transmitting the first signal wavelength initialization request signal; and in response to failing to receive a response to the first signal-wavelength initialization request signal within the predetermined time interval, transmitting a second signal wavelength initialization request signal on a second upstream wavelength to the service provider equipment after the waiting..
08/21/14
20140233953
Passive optical network optical network terminal apparatus and configuration method
A method of configuring an optical network terminal, ont, of a wavelength division multiplexed passive optical network, wdm pon. Sequentially setting a transmission wavelength of a tunable optical filter at the ont to one or more wavelengths of a pre-selected plurality of transmission wavelengths until a wavelength is identified for which no downstream optical signal from an optical line terminal of the wdm pon is detected.
08/21/14
20140233952
Methods and systems for delivery of multiple passive optical network services
A system for delivering multiple passive optical network services is disclosed. The system includes a first optical transmission service comprising a common wavelength pair routed from a source to each of a plurality of subscribers.
08/21/14
20140233951
Antenna system and methods for wireless optical network termination
Optical network termination systems, devices and methods including an optical network terminal (ont) having a processor in communication with an external optical fiber. The ont processors further in communication with a wireless access point and at least one electrically conductive internal transport medium, both providing for the communication of telecommunication signals with devices located within a customer premises.
08/21/14
20140233950
Downstream burst transmission in passive optical networks
An olt comprising a processor configured to calculate a downstream bandwidth map that indicates an active period of time when the olt is scheduled to transmit a data frame to an onu, and generate a message comprising the downstream bandwidth map, and a transmitter coupled to the processor and configured to send the message to the onu via a pon, wherein the message instructs the onu to power off at least one onu receive data processing unit outside the active period. Also disclosed is a computer program product comprising computer executable instructions stored on a non-transitory computer readable medium such that when executed by a processor cause an onu to receive a message indicating an active period, wherein the active period indicates a scheduled period during which data communicated over a pon is relevant to the onu and power down an onu receive data processing unit outside the active period..
08/21/14
20140233949
Optical communication based on polarization dependent coherent optical nyquist frequency division multiplexing
An optical transmitter transmits a dual polarization optical nyquist frequency domain multiplexed signal. The signal includes a first polarization component and a second polarization component.
08/21/14
20140233948
Method and device for sending upstream transfer frame in passive optical network
The present invention relates to the passive optical network (pon) technology, and a method for sending an upstream transfer frame in a pon is provided. The method includes: after success of link, sending a preamble according to an allocated time slot, sending a burst synchronization delimiter, and then sending successively a burst header, a gigabit-capable passive optical network (gpon) transmission convergence (gtc) frame header, and gtc frame data.
08/21/14
20140233947
Integrated assembly for switching optical signals
An integrated assembly for switching optical signals. The integrated assembly includes two subassemblies.
08/21/14
20140233945
Wavelength division multiplexing optical transmitting apparatus and operating method of the same
Provided is a wavelength division multiplexing (wdm) optical transmitting apparatus including first to n-th optical transmitters configured to output first to n-th optical signals having different wavelengths, respectively; a wavelength multiplexer configured to multiplex the first to n-th optical signals and generate an output optical signal; a tap coupler configured to receive the output optical signal and generate a controlling optical signal based on some of the output optical signal; a controlling photodetector configured to receive the controlling optical signal and output an optical current based on the controlling optical signal; and a controller configured to control each of the first to n-th optical transmitters based on the optical current, wherein the controller comprises a look-up table, sequentially detects driving conditions for the first to n-th optical transmitters, stores the detected driving conditions in the look-up table, and controls the first to n-th optical transmitters based on the detected driving conditions.. .
08/21/14
20140233944
Optical network terminal (ont) wavelength tuning and correpsonding calibration procedure
Tuning an optical network unit (onu) to an appropriate communication wavelength may be performed by initiating an activation procedure responsive to receiving a wavelength configuration message, and identifying an instruction in the wavelength configuration message to modify a present wavelength used by the network unit to a different wavelength. The process may also provide assigning an optical network unit identifier (onu-id) to the network unit, modifying the present wavelength to the different wavelength, and transmitting subsequent data messages from the network unit at the different wavelength..
08/21/14
20140233943
Optical transmission device and optical transmission device control method
Each optical transmission device includes a detecting unit, a notifying unit, and a control unit. The detecting unit detects a value of the optical power of each of multiple wavelengths.
08/21/14
20140233942
System and method for measuring the phase of a modulated optical signal
The invention is related to phase detection in lidar systems using single photon detectors (spds). The frequency at which the spds are time gated is related to but not an integer multiple of the frequency of the transmitted optical pulses.
08/21/14
20140233941
Method for identifying the optical network unit power off reason
A passive optical network (pon) component comprising a power switch, a detector configured to monitor the power switch, and a processor configured to receive an interrupt from the detector and transmit a message comprising a first indicator that the pon component has powered down, and a second indicator giving a reason for the power down. A passive optical network (pon) component comprising a processor configured to implement a method comprising receiving an interrupt message from a detector, determining a reason for the interrupt, and transmitting a dying gasp message comprising an indicator of the reason for the interrupt.
08/21/14
20140233940
System, method & apparatus for a rogue optics network unit
A device is provided that mitigates the effects of an optical network unit (onu) that is in a rogue state. A main processor is arranged as part of a monolithic semiconductor chip, the main processor configured to process signals from an optical telecommunication connection.
08/21/14
20140233939
Systems and methods of communicating path status in optical networks
The present disclosure may include a method to be performed by an electronic device in an optical network. The method may include generating a message associated with a slot and at least one connection identification (id) corresponding to the slot.
08/21/14
20140233938
System for interconnecting nodes attached to a passive optical network
A system for interconnecting one or more leaf nodes attached to the leaves of an optical distribution network (odn), comprising: a first and a second optical distribution network respectively comprising a remote node for distributing signals from a central office and/or an optical line terminal to a plurality of leaf nodes connected to said optical distribution network; a link connecting a first leaf node connected to the first optical distribution network to a second leaf node connected to the second optical distribution network, wherein the remote node of the second optical distribution network is adapted to forward an optical signal from said second leaf node which has received the signal from said first leaf node to the other leaf nodes of said second optical distribution network.. .
08/21/14
20140233937
Optical accessory adapter
An optical accessory adapter is used to couple together a lens apparatus and an optical accessory attached to an object side portion of the lens apparatus having fitting attachment diameters different from each other. The adapter is provided with a cutout portion in a part of a region outside the attachment diameter of the lens apparatus on an object side surface thereof..
08/21/14
20140233920
Method and apparatus for editing a program on an optical disc
The present invention provides a method and apparatus for editing a program on a re-writable compact disc. The method comprises the steps of acquiring the description information of two program segments of said program, said program segments being in sequence in playing-back order, said description information comprising the ending description information of the previous program segment and the start point information of the subsequent program segment, generating a guiding information to guide the ending point information to the start point information according to the description information and playing-back order of said program segments and updating the description information of said program according to said guiding information.
08/21/14
20140233904
Optical device
An optical device includes a light guiding member that guides light an optical element that functions by being irradiated with the light guided by the light guiding member and a holding member that internally includes a first housing portion housing the light guiding member and a second housing portion housing the optical element and internally holds the light guiding member and the optical element by the first housing portion and the second housing portion so that the light guiding member and the optical element are internally coupled optically. The first housing portion and the second housing portion are communicatively connected inside the holding member and the light guiding member housed in the first housing portion and the optical element housed in the second housing portion are in contact with each other inside the holding member..
08/21/14
20140233903
Strain relief for pigtail module
Fiber optic modules having pigtails and related strain relief constructions for the fiber optic harness are disclosed. The fiber optic module assembly has a fiber pigtail exiting module, the assembly includes a main body of the module defining an internal chamber disposed between a first side and a second side, a plurality of fiber optic components disposed at the first side of the module, and a fiber optic harness including the fiber pigtail.
08/21/14
20140233901
Spot size converter, light source, optical transmitter, optical receiver and optical transmitter-receiver
A spot-size converter includes a substrate, a first core provided over the substrate, and second and third cores provided over the substrate and over or under the first core with a cladding layer sandwiched therebetween and extending in parallel to the substrate and the first core.. .
08/21/14
20140233900
Microstructured optical fibre having a large core and a flattened fundamental mode, production method thereof and use of same in laser microfabrication
The fibre comprises a core (2) having an index n and diameter of 10 μm or more, surrounded by a ring (4) having an index n+Δn and thickness Δr, and cladding (6) surrounding the ring and comprising for example air gaps (8). According to the invention: Δn≧10−3 and Δr=α/(Δn)β [1] where: 5×10−4 μm≦α≦5×10−2 μm and 0.5≦β≦1.5.
08/21/14
20140233899
Optical trunk cable
A fiber optic cable comprises a plurality of elongated optical fiber units, each having an outer jacket containing multiple optical fibers. The optical fiber units are interconnected at intermittent bonding locations along an axial length of said trunk cable to form a sheathless bundle.
08/21/14
20140233897
Optical module
A prism/lens array (25) in the present invention is a grass prism having an approximately 45 degrees tapered part. A plurality of lenses (31) are provided side by side on the front surface of the prism/lens array (25).
08/21/14
20140233896
Ferrule fixing member
A ferrule fixing member includes a fixing member configured to fix a ferrule to hold an optical fiber to a retaining member including a retaining hole to insert the ferrule, a locked portion configured to be locked to a locking portion formed on the retaining member and to be restricted from moving, with respect to the retaining member, in an insertion direction of the ferrule and in a direction orthogonal to the insertion direction, and a main body configured to elastically press the ferrule toward the bottom of the retaining hole by elastic deformation thereof.. .
08/21/14
20140233895
Fiber-optic connector
A fiber-optic connector for connecting an optical fiber to other optical assemblies is disclosed. The fiber-optic connector includes a top plate having a window of similar refractive index and transmission index as the material of an optic fiber to be contained within the fiber-optic connector.
08/21/14
20140233894
User-configurable optical fiber link
An optical fiber connector includes a connector body and a submodule having a user-selectable configuration, such as a splitter or coupler. The connector body has a submodule mounting region.
08/21/14
20140233893
Backwards compatible multi-core fiber optic cable
A multi-core optical fiber has dimensions to be backwards compatible with a conventional, single-core optical fiber of the single-mode or multimode type. In one embodiment, the center core has a diameter, such as 3 to 9 um, 50 um or 62.5 um.
08/21/14
20140233892
Connector system with physical security feature
A receptacle for optically coupling with a plug from a set of plugs, each of the plugs in the set of plugs having a plug housing with a unique front face geometry and a ferrule disposed within the plug housing, the receptacle comprising: a tub having a plurality of walls that define an interior for receiving a plug, said tub interior having a tub interior geometry corresponding to one and only one unique front face geometry and defining by a ferrule guiding portion in the tub, wherein said ferrule guiding portion projects from one or more of the plurality of walls into the tub interior and includes a keying element in a predefined position within said receptacle interior, the keying element preventing mating engagement between the receptacle and the plugs of the set of plugs except for the plug having said corresponding unique front face geometry.. .
08/21/14
20140233890
Index matched grating inscription
The disclosed embodiments provide systems and methods for mitigating lensing and scattering as an optical fiber is being inscribed with a grating. The disclosed systems and methods mitigate the lensing phenomenon by surrounding an optical fiber with an index-matching material that is held in a vessel with an integrated interferometer (e.g., phase mask, etc.).
08/21/14
20140233889
Index matched grating inscription
The disclosed embodiments provide systems and methods for mitigating lensing and scattering as an optical fiber is being inscribed with a grating. The disclosed systems and methods mitigate the lensing phenomenon by surrounding an optical fiber with a liquid index-matching material that is held in a vessel.
08/21/14
20140233888
Index matched grating inscription
The disclosed embodiments provide systems and methods for mitigating lensing and scattering as an optical fiber is being inscribed with a grating. The disclosed systems and methods mitigate the lensing phenomenon by surrounding an optical fiber with an index-matching material that is held in a vessel with an integrated interferometer (e.g., phase mask, etc.).
08/21/14
20140233887
Method and apparatus for aligning of opto-electronic components
A method for aligning a ferrule-mounted optical fiber with the optical axis of an electro-optical device, including the following steps: providing an alignment marking with respect to the device in relation to the optical axis; providing an annular receptacle and a tubular alignment pin with a central passageway, having its proximal end slidably fitted in the annulus of the receptacle; aligning the proximal end of the alignment pin with the alignment marking; securing the device to the receptacle; removing the alignment pin from the receptacle; and inserting the ferrule-mounted optical fiber into the receptacle.. .
08/21/14
20140233886
Plastic optical fibres
The plastic optical fibres may be heated under controlled conditions, to soften them and lens, sensor or patterns may be imprinted on portions of the fibre. Methods are provide to optical joints, and combined physical and optical joints..
08/21/14
20140233885
Photon-to-plasmon coupler
Each of said two plasmonic strip waveguides being connected to said plasmonic waveguide and embracing an end section of the photonic waveguide such that each of said plasmonic strip waveguides is optically coupled to the end section of the photonic waveguide.. .
08/21/14
20140233884
Method of optical self-switching using microresonator optical switch having nanoparticles
An optical switch includes a microresonator comprising a plurality of silicon nanoparticles within a silicon-rich silicon oxide layer. The microresonator further includes an optical coupler optically coupled to the microresonator and configured to be optically coupled to a signal source.
08/21/14
20140233881
Optical waveguide, optical interposer and light source
An optical waveguide includes a substrate, a first core provided over the substrate and having a first taper region that extends from one side toward the other side and has a sectional area that decreases toward the other side, and a plurality of second cores provided over the substrate and over or under the first core with a first cladding layer sandwiched therebetween and extending in parallel to the substrate and the first core.. .
08/21/14
20140233879
Luminescent stacked waveguide display
A display includes at least two stacked waveguides (110) and (120). A first waveguide (110) contains first luminophores that fluoresce to produce light of a first color.
08/21/14
20140233878
Optical element and mach-zehnder optical waveguide element
Provided is an optical element including an optical waveguide including a core formed from: a rib part; and a first and second slab parts sandwiching the rib part. The first slab part includes a p-type region, the second slab part includes an n-type region, the rib part includes a p-type region which is in contact with the p-type region provided in the first slab part, and an n-type region which is in contact with the n-type region provided in the second slab part.
08/21/14
20140233877
Optical modulator and method of manufacturing the optical modulator
An optical modulator includes a dielectric layer and a metal layer arranged on the dielectric layer. In the optical modulator, a first light of a first frequency and a second light of a second frequency that are incident upon the metal layer exit from the metal layer at different refractive angles due to surface plasmon generation..
08/21/14
20140233829
Method for checking the production quality of an optical security feature of a value document
A method for checking the production quality of a prescribed optical security feature in or on a prescribed portion of a value document on the basis of pixel data of pixels of an image of the prescribed portion which are respectively associated with places in or on the portion and render optical properties of the value document at the places whether a first number or share of those pixels, whose pixel data, according to a first prescribed criterion, lie within a first reference region prescribed for the security feature exceeds a first minimum hit value, and whether a first scatter of the pixel data of those pixels lying within the first reference region for the pixel data according to the first criterion exceeds a first minimum scatter prescribed for the security feature. A quality signal from the check represents an indication of a sufficient printing quality according to certain criteria..
08/21/14
20140233810
Dermatoglyphic hand sensor
Methods and systems are disclosed for performing a biometric function. A means is provided for positioning a hand of an individual in a substantially repeatable manner.
08/21/14
20140233788
System, method, and software for optical device recognition association
A system including an image capturing unit configured to capture an image of at least one medical device monitoring a patient, a database including images of a plurality of medical devices, where each image corresponds to a particular medical device, and a data collection server configured to receive the at least one image, receive patient identification data corresponding to the patient, and identify the medical device in the image by comparing the received image with the images stored in the database and matching the received image with the images stored in the database.. .
08/21/14
20140233700
Radiation image capturing system and radiation detection device
A radiation detection device has: a scintillator for converting radiation into fluorescence; a photoelectric conversion unit for converting the fluorescence into an electric signal; and a reset light source unit for exposing reset light to the photoelectric conversion unit. A system control unit has an optical reset disabling unit for, based on a reset disabling instruction, disabling the exposure of the reset light output from the reset light source unit..
08/21/14
20140233596
Semiconductor lasers and etched-facet integrated devices having non-uniform trenches
An edge-emitting etched-facet optical semiconductor structure includes a substrate, an active multiple quantum well (mqw) region formed on the substrate, a ridge waveguide formed over the mqw region extending in substantially a longitudinal direction between a waveguide first etched end facet disposed in a first window and a waveguide second etched end facet disposed in a second window, and first and second trenches having non-uniform widths extending in substantially the longitudinal direction between the first and second windows.. .
08/21/14
20140233593
Multi-wavelength laser
The multi-wavelength laser is a ring laser source working at room temperature. The laser has an inner cavity disposed in an outer cavity.
08/21/14
20140233591
Method for sharing optical fiber for cloud-based wired and wireless access network, and system and apparatus for same
A system for sharing an optical fiber for a cloud-based wired and wireless access network, includes: a centralization device to generate summing signals by respectively summing multi-channel optical signals input from a wireless donor unit group and by summing multi-channel wired signals input from a wired donor unit group or generate wavelength-converted signals by wavelength-converting the multi-channel optical signals or the multi-channel wired signals, multiplex the summing signals or the wavelength-converted signals, and distribute the summing signals or the wavelength-converted signals to a plurality of devices connected to the centralization device via a shared optical fiber; and a distribution device group to generate corresponding optical signals by demultiplexing the summing signals or the wavelength-converted signals in units of wavelengths, and transmit the corresponding optical signals or the multi-channel wired signals to a wireless remote unit group and/or a wired remote unit group via a preset optical fiber.. .
08/21/14
20140233587
Systems and methods for policy-based intelligent provisioning of optical transport bandwidth
Policy-based, on-demand provisioning of optical transport bandwidth is disclosed. In one of many possible embodiments, a system is provided for policy-based, on-demand provisioning of optical transport bandwidth.
08/21/14
20140233545
Establishing secure connection between mobile computing device and wireless hub using security credentials obtained from remote security credential server
A mobile computing device includes a first wireless local area network adapter; a wireless wide area network adapter configured to connect to a remote security credential server across a wireless wide area network; an optical scanner or a near field radio communication adapter. The mobile computing device is configured to obtain information regarding security credentials from at least one of an optical scan of an optical tag and a near field radio communication exchange with a near field radio communication tag; obtain the security credentials from the remote security credential server across the wireless wide area network by providing the information regarding the security credentials to the remote security credential server which responds with the security credentials; and use the security credentials to establish a secure wireless network connection between the first wireless local area network adapter and a second wireless local area network adapter of a wireless hub..
08/21/14
20140233383
Management of traffic buffering in internal and external memories in a passive optical network
Methods, systems, and computer program products for managing memory of a passive optical network (pon) are provided herein. The method includes the steps of receiving a plurality of data packets from a stream of packets.
08/21/14
20140233377
Method to achieve bounded buffer sizes and quality of service guarantees in the internet network
Methods to achieve bounded router buffer sizes and quality of service guarantees for traffic flows in a packet-switched network are described. The network can be an internet protocol (ip) network, a differentiated services network, an mpls network, wireless mesh network or an optical network.
08/21/14
20140233367
Method of aligning light sources in an optical pickup device, and optical pickup and optical disc drive employing the method
Provided is an optical pickup device and a method of aligning a twin-light source in an optical disc drive. The method operates two light emitting chips in the light source simultaneously to cause two laser beams to be transmitted through a grating element at the same time.
08/21/14
20140233364
Optical disk device and equalizer adjustment method
An optical disk device includes an optical pickup that directs light beams onto a recording surface of an optical disk and receives reflected light, a signal generating unit that generates playback signals based on reflected light received by the optical pickup, an equalizer adjustment unit that performs equalizer adjustment of the playback signals, and an adjustment control unit. The adjustment control unit controls the equalizer adjustment unit so as to perform equalizer adjustment of the playback signals according to the playback signals based on reflected light from a management information area on a recording surface of the optical disk, the management information area including predetermined management information recorded thereon..
08/21/14
20140233297
Graphene ferroelectric device and opto-electronic control of graphene ferroelectric memory device
In accordance with an embodiment of the invention, there is provided a graphene ferroelectric device. The device comprises a graphene transistor channel and a ferroelectric gate of the graphene transistor channel, the ferroelectric gate comprising a linear polarization at a first applied gate voltage less than a threshold voltage, and a hysteretic polarization at a second applied gate voltage greater than the threshold voltage.
08/21/14
20140233253
Vehicle headlight
A vehicle headlight utilizes a rotationally asymmetric projection lens with its light emitting surface inclined with respect to the optical axis thereof, whereby the light emitted from the light source and projected forward through the light emitting surface of the projection lens is diffused substantially uniformly with respect to the optical axis of the projection lens, for example, uniform substantially in the right and left directions and/or the upper and lower directions. This can be achieved by designing the reflecting surface to have its optical axis inclined with respect to the optical axis of the projection lens by a predetermined angle so that light emitted from the light source and projected forward through the light emitting surface of the projection lens is made uniform with respect to the optical axis of the projection lens (for example, uniform substantially in the right and left directions and/or the upper and lower directions)..
08/21/14
20140233251
Block light module
A light module for a motor vehicle is disclosed. The light module includes a light source and a reflecting unit.
08/21/14
20140233244
Lens slide for an automated luminaire
The described systems 200 provides a simplified slide system for longitudinal movement of optical light modulators 102 for automated luminaires 12 employing expansion and contractions slots 125, 126 which allow for precise smooth movement over a range of temperatures.. .
08/21/14
20140233242
Light source module and lighting apparatus having the same
A light source module including a light source, a first lens disposed above the light source and including a through hole penetrating through top and bottom surfaces thereof, and a second lens disposed to face the light source within the through hole and moving in an optical axis direction to adjust an amount of light incident to the first lens, the light generated by the light source, may be provided.. .
08/21/14
20140233212
Optical member, display device, and light emitting device having the same
Disclosed are an optical member and a display device. The display device includes a light source; a light conversion layer to convert a wavelength of light emitted from the light source; and a display panel into which the light is incident from the light conversion layer, wherein the light conversion layer includes a plurality of concave surfaces..
08/21/14
20140233209
Light emitting device
Provided is a light emitting device with effectively improved color rendering properties. A light emitting device 1 includes: a light source 2 that emits light having the maximum intensity at a predetermined wavelength; a first phosphor (yellow phosphor) 51 that absorbs the light emitted by the light source 2 and outputs fluorescent light having the maximum intensity at a first wavelength which is longer than the predetermined wavelength; and a second phosphor (red phosphor) 52 that absorbs the light emitted by the light source 2 and outputs fluorescent light having the maximum intensity at a second wavelength which is longer than the first wavelength.
08/21/14
20140233208
Pointer-type display device
Disclosed is a pointer-type display device having a high degree of design freedom, with which a design can be efficiently illuminated. Said device is provided with a light guide letter board (10), a light guide body (20), and a pointer (30), and a first light source (51).
08/21/14
20140233118
Camera arrangement for a motor vehicle
A camera arrangement for a vehicle includes a camera and a prism. The camera is arranged behind a windshield of the vehicle.
08/21/14
20140233117
Lens assembly, lens barrel and image capturing apparatus
A lens assembly includes a first lens holder that holds a first lens, a first guiding shaft that guides the first lens holder in a parallel direction to an optical axis of the first lens, a first driver that drives the first lens holder in an axial direction of the first guiding shaft, a second lens holder that holds a second lens that is different from the first lens, and a second driver that drives the second lens holder in a direction of the optical axis. Here, the first guiding shaft, the second driver, and the first driver are arranged in the stated order in a circumferential direction of a circle that is centered on the optical axis..
08/21/14
20140233116
Optical element, holding structure therefor, and optical device
An optical element has a first surface, a second surface on the opposite side of the first surface, an optical surface, and a protruding part. The protruding part is held in a prescribed position by being in contact with a holding member.
08/21/14
20140233115
Image pickup lens unit and method for manufacturing image pickup lens unit
Further, since the positioning of the lens (10) with respect to the second mold (61) may be performed using the alignment portions (14) provided outside the second optical surface (13e), influence of the heat and pressure produced by the second mold (61) and the resin during molding of the holder member (40) on the second optical surface (13e) of the lens (10) may be reduced. Therefore, occurrence of degradation, such as distortion, in the second optical surface (13e) of the lens (10) during molding of the holder member (40) may be prevented..
08/21/14
20140233114
Objective optical system and endoscope using same
An objective optical system includes: a first lens group having a negative power; an aperture stop; and a second lens group having a positive power, provided in this order from an object side. The first lens group includes a first lens, which is a negative single lens, and a cemented lens formed by a positive lens and a negative lens, provided in this order from the object side.
08/21/14
20140233113
Objective optical system and endoscope using same
An objective optical system includes: a negative first lens group; an aperture stop; and a positive second lens group, provided in this order from an object side. The first lens group includes a first lens, which is a negative single lens, and a cemented lens formed by cementing a positive lens and a negative lens together, provided in this order from the object side.
08/21/14
20140233112
Objective optical system and endoscope using same
The angle of view of an objective optical system is widened, while suppressing generation of lateral chromatic aberration. An objective optical system includes: a first lens group having a negative power; an aperture stop; and a second lens group having a positive power, in this order from an object side.
08/21/14
20140233109
Structure and method for compensating temperature dependent magnification and focus change
A method and device is described for compensating ambient temperature dependent magnification and focus change of a zoom lens system, whereby an ambient temperature compensation structure cooperates with a rotational ring and an optical-element adjusting member such that a phase variation between the rotational ring and the optical-element adjusting member in response to an ambient temperature change is compensated and whereby the phase variation characterizes an optical property of the zoom lens system such as magnification or focus.. .
08/21/14
20140233105
Multi-band color vision filters and method by lp-optimization
The invention generally relates to optical filters that provide regulation and/or enhancement of chromatic and luminous aspects of the color appearance of light to human vision, generally to applications of such optical filters, to therapeutic applications of such optical filters, to industrial and safety applications of such optical filters when incorporated, for example, in radiation-protective eyewear, to methods of designing such optical filters, to methods of manufacturing such optical filters, and to designs and methods of incorporating such optical filters into apparatus including, for example, eyewear and illuminants.. .
08/21/14
20140233104
Optical element, window material, fitting, and solar shading device
An optical element is provided with a wavelength-selective reflection layer having a five-layer configuration in which high-refractive-index layers and metal layers are alternately stacked. The present invention is designed so that the ratio α of an optical film thickness db of the entire metal layer relative to an optical film thickness da of the high-refractive-index layers as a whole, and the ratio β (=d3/d1) of an optical film thickness d3 of the third high-refractive-index layer with respect to the optical film thickness d1 of the first high-refractive-index layer as viewed from either the first optical layer side or the second optical layer side are included within a predetermined range..
08/21/14
20140233103
Optical module and electronic apparatus
An optical module (colorimetry sensor) includes an interference filter, and a transparent substrate to which a first substrate of the interference filter is fixed, having a second thermal expansion coefficient which has a value different from a first thermal expansion coefficient. The interference filter is fixed to the transparent substrate through an adhesive layer made of gel-like resin, and the adhesive layer alleviates stress generated due to a difference in the thermal expansion coefficients between the interference filter and the transparent substrate..
08/21/14
20140233101
Image display device
According to an embodiment, an image display device includes an optical element, a voltage controller, and a display. Regarding the optical element, the refractive-index distribution changes according to the voltage applied thereto.
08/21/14
20140233100
Image display apparatus and image display method
A display displays a composite image including element pixels. Each element pixel is formed by arranging, in a direction, pixels respectively extracted from images having different viewpoints.
08/21/14
20140233097
Stage device
A stage device includes a planar base to be fixed to a microscope, a first stage that is disposed on the base and is movable in a plane parallel to a principal surface of the base, a second stage that is disposed on the base and is rotatable about an optical axis of an objective lens which is perpendicular to a movement direction of the first stage, a specimen support that is placed on the second stage and is slidable in the plane, and a first clutch mechanism that is coupled to the specimen support and the first stage and is capable of transmitting power from the first stage to the specimen support. The first clutch mechanism does not transmit power from the first stage to the specimen support when the second stage rotates, and transmits power from the first stage to the specimen support when the first stage moves..
08/21/14
20140233096
Low numerical aperture exclusion imaging
In accordance with one embodiment of the present invention an apparatus for a low numerical aperture exclusion imaging apparatus is provided. The apparatus may include an electromagnetic illumination source for illuminating a portion of a specimen; and for collecting an image created by the electromagnetic radiation an objective lens optically coupled to the electromagnetic illuminated portion of the specimen.
08/21/14
20140233095
Broad-spectrum illuminator for microscopy applications, using the emissions of luminescent materials
A broad-spectrum, multiple wavelength illuminator comprises a luminescent body, and a plurality of semiconductor chips spaced apart from the luminescent body emitting light within one or more wavelength ranges towards the luminescent body, causing the luminescent body to emit light of one or more wavelength ranges. An optical element adjacent to the luminescent body collects light emitted by the luminescent body.
08/21/14
20140233093
Multilayer systems for selective reflection of electromagnetic radiation from the wavelength spectrum of sunlight and method of producing same
The invention relates to multilayer systems for selective reflection of electromagnetic radiation from the wavelength spectrum of sunlight, and to a method for producing said systems on suitable, preferably polymeric, carrier materials. Such a multilayer system of the invention is formed with at least one layer composed of silver or silver alloy, which is coated over the whole area on both surfaces with in each case a seed layer and a cap layer.
08/21/14
20140233092
Near infrared blocking film and near infrared blocking body
The near-infrared shielding film includes an optical interference film formed by alternately laminating a high refractive index layer containing a first water-soluble polymer and first metal oxide particles and a low refractive index layer containing a second water-soluble polymer and second metal oxide particles, on a substrate, in which the first metal oxide particles are particles formed by coating titanium oxide particles with silicon-containing hydrated oxide.. .
08/21/14
20140233091
Supercontinuum source
A supercontinuum optical pulse source provides a combined supercontinuum. The supercontinuum optical pulse source comprises one or more seed pulse sources, and first and second optical amplifiers arranged along first and second respective optical paths.
08/21/14
20140233090
Laser light source apparatus and temperature control method of wavelength conversion element in laser light source apparatus
The purpose of the present invention is to make it possible to output stable light by optimizing the wavelength conversion efficiency in a wavelength conversion element without employing an optical detection device such as a photo diode in a laser light source device. A fundamental light wave emitted from a semiconductor laser (2) is wavelength converted by a wavelength conversion element (5) and is emitted therefrom.
08/21/14
20140233089
Pulsed laser sources
Modelocked fiber laser resonators may be coupled with optical amplifiers. An isolator optionally may separate the resonator from the amplifier.
08/21/14
20140233085
Reflective optical limiter
An optical limiter comprises a glass backing, a glass cover, and a layer of a phase changing material placed between said glass backing and said glass cover, the phase changing material comprising a transparent matrix having embedded particles of material that changes its optical properties due to temperature induced phase change of said material. The optical properties may change from transparent to reflective, from transparent to refractive or from transparent to scattering.
08/21/14
20140233084
Phase modulation apparatus
A phase modulation apparatus has a light source outputting continuous light, two phase modulators, and an intensity modulator. The phase modulation apparatus is provided with an rz phase modulation circuit, in which the phase modulators phase-modulate the continuous light from the light source with data signals input to the phase modulators and generate two phase modulation optical signals, a phase shifter shifts the phase of one phase modulation optical signal by π/2, and an intensity modulator intensity-modulates a multiplexed signal, combined with the other phase modulation optical signal, with an input clock signal clk to convert the signal into an rz signal, and, thus, to output the rz signal, and a phase control circuit which adjusts the phases of the phase modulation optical signals generated by the phase modulator of the rz phase modulation circuit so that the output of the rz phase modulation circuit is maximum..
08/21/14
20140233083
Driver for electro-absorption modulator
A transmitter optical module implemented with an electro-absorption (ea) modulator is disclosed. The module includes an ea driver comprising a signal detector, an offset controller, and a driver circuit.
08/21/14
20140233081
Optical scanning apparatus
An optical scanning apparatus includes first and second light sources configured to emit first and second light fluxes respectively, a deflector having a reflecting surface which reflects the first and second light fluxes, and configured to deflect the first and second light fluxes in a main scanning direction, and an imaging lens configured to let the first and second light fluxes through and form an image of the first and second light fluxes on the reflecting surface of the deflector. The imaging lens has a first incident surface into which the first light flux enters at a right angle, a second incident surface into which the second light flux enters at a right angle, a first outgoing surface from which the first light flux exits, and a second outgoing surface which makes an angle with the first outgoing surface and from which the second light flux exits..
08/21/14
20140233039
Physical/chemical sensor, physical/chemical phenomenon sensing device, and method for manufacturing same
In the sensor of the present invention, an air-gap 3 is formed on a surface of the light receiving surface 1a of a photodiode 1. The sensor comprises a membrane section 2 which is oppositely deposited, and the air-gap is blocked air-tightly or liquid-tightly.
08/21/14
20140233038
Shape measurement method, shape measurement apparatus, program, and recording medium
The present invention is directed to more accurately acquiring shape data than conventional techniques. After an imaging unit images an interference fringe, a calculation unit acquires the captured image from the imaging unit.
08/21/14
20140233036
Device for tactile shape determination
A device for the tactile determination of a surface shape of a measuring object includes a micro probe arm having a stylus tip, the micro probe arm being fastened on an optical fiber having a fiber end, which is mounted in a probe housing, a reference mirror is provided in the probe housing, and an optical measuring device is provided for determining the position of the fiber end in relation to the reference mirror. The contactless interferometric determination of the distance between the fiber end of the optical fiber and the reference mirror attached in the probe housing allows precise determination of the surface shape of the measuring object..
08/21/14
20140233035
Broadband or mid-infrared fiber light sources
An optical system for use in an imaging procedure includes one or more semiconductor diodes configured to generate an input signal beam with a wavelength shorter than 2.5 microns that is amplified and communicated through optical fiber(s) to a nonlinear element configured to broaden the spectral width to at least 50 nm through a nonlinear effect. A subsystem includes lenses or mirrors to deliver an output beam having a broadened spectrum to an optical coherence tomography apparatus with a sample and reference arm to perform imaging for characterizing the sample.
08/21/14
20140233033
Optically variable entity authenticating device and method
Disclosed is a device for the authentication of an optically variable entity exhibiting a color shift with changing viewing-angle, the device comprising a plate of light-refractive material, said plate having two surfaces and an array of light-refracting protrusions or recesses on at least one of said surfaces, and being disposed in said device such as to provide, aside each other, a direct view and a view through said plate onto at least parts of said optically variable entity, said view through said plate being an angularly deflected view, resulting from light refraction at said protrusions or recesses. Further disclosed is a method for authenticating an optically variable entity, as well as the use of a plate having two parallel surfaces and an array of positive or negative light-refracting protrusions or recesses on at least one of said surfaces for authenticating an optically variable entity..
08/21/14
20140233030
Spectral imaging device adjustment method and spectral imaging system
A method of adjusting a spectroscopic imaging device is provided with which a relative arrangement relationship among components can be easily adjusted in the spectroscopic imaging device. A spectroscopic imaging device 30 includes a collimating lens 32, a diffraction grating 33, a condensing lens 34, an array light receiving unit 35, and adjustment means for adjusting a relative arrangement relationship among these components.
08/21/14
20140233028
Lossless hyperspectral imaging
Techniques for hyperspectral imaging using a spatial light modulator having a plurality of pixels, including encoding electromagnetic radiation incident a first pixel at a first location and a second pixel at a second location into a first modulated signal having a first modulation frequency and a second modulated signal having a second modulation frequency, the first modulation frequency being different than the second modulation frequency. A sum of intensities of at least the first modulated signal and the second modulated signal is measured at a plurality of optical frequencies and a transform is applied to the sum to obtain an intensity of electromagnetic radiation incident each of the first location and the second location for each of the plurality of optical frequencies..
08/21/14
20140233027
Imaging zoom for wide field-of-view imaging spectrometer
An imaging system comprises a wide field of view (fov) telescope, a narrow fov telescope, a spectrometer, an imaging detector, an image slicer, and a selection mechanism. The wide fov telescope is configured to produce a one-dimensional optical image of a broad field of view (fov) f.
08/21/14
20140233026
Shrouded sensor clip assembly and blood chamber for an optical blood monitoring system
An optical blood monitoring system for blocking unwanted light from reaching sensors in a sensor clip assembly fastened to a blood chamber connected in an extracorporeal blood treatment system. The blood chamber has an internal flow cavity for communicating the extracorporeal blood flow and viewing windows to enable the sensor clip assembly to illuminate the blood with light as the blood flows through the blood chamber in order to monitor characteristics of the blood.
08/21/14
20140233024
Defect inspecting apparatus and defect inspecting method
An invention being applied is a defect detecting apparatus that has: an illuminating optical system with a laser light source for irradiating a sample on whose surface a pattern is formed with light; a detecting optical system with a sensor for detecting light generated from the sample illuminated by the illuminating optical system; and a signal processing unit that extracts a defect from an image based on the light detected by the detecting optical system, in which an amplification rate of the sensor is dynamically changed during a time when the light is detected by the detecting optical system.. .
08/21/14
20140233022
Apparatus for focus beam analysis of high power lasers
An in-line laser beam waist analyzer system includes an optical prism that picks off a portion of a second surface reflection from either a laser processing focus lens or a protective debris shield for the processing lens and directs that focused light to a pixelated detector. This provides real time monitoring of the focused laser beam while it is processing material by welding, cutting, drilling, scribing or marking, without disrupting the process..
08/21/14
20140233021
Apparatus for focus beam analysis of high power lasers
An in-line laser beam waist analyzer system includes an optical prism that picks off a portion of a second surface reflection from either a laser processing focus lens or a protective debris shield for the processing lens and directs that focused light to a pixelated detector. This provides real time monitoring of the focused laser beam while it is processing material by welding, cutting, drilling, scribing or marking, without disrupting the process..
08/21/14
20140233020
Interrogator for a plurality of sensor fiber optic gratings
An interrogator for a plurality of sensor fiber optic gratings. The interrogator includes an optical source for providing signals to the plurality of sensor fiber optic gratings.
08/21/14
20140233019
Optical fiber mechanical bend stress test system with optical time-domain reflectometer
Methods and devices provide for storing historical data that includes interference values mapped to at least one of bend radii values, lifetime values, or failure rate values of optical fibers; transmitting an optical signal, via a test system, toward the optical fiber under test; setting a polarization state of the optical signal before the optical signal propagates through the optical fiber under test; setting a polarization state of a reflected optical signal that has propagated through the optical fiber under test in a manner that causes a minimum interference or a maximum interference; measuring instances of power of the reflected optical signal; and outputting a result that includes at least one of a bend radius value, a lifetime value, or a failure rate that applies to the optical fiber under test based on the measured instances of power and the historical data.. .
08/21/14
20140233013
Lidar
A lidar includes cw laser light sources that oscillate cw laser light rays with wavelengths different from each other; an optical multiplexing coupler that mixes the cw laser light rays oscillated by the cw laser light sources; an optical branching coupler that splits the cw laser light passing through the mixing by the optical multiplexing coupler; a light modulator that modulates first cw laser light split by the optical branching coupler; and an optical fiber amplifier that amplifies the laser light modulated by the light modulator, in which a transmit-receive optical system irradiates a target with the laser light amplified by the optical fiber amplifier, and receives scattered light of the laser light by the target.. .
08/21/14
20140233012
Distance measuring device
An optical device is disclosed that may be employed in distance measuring devices. In at least one embodiment, the optical device includes a control unit that is adapted to cause at least one control signal generator unit to generate at least one control signal according to a predetermined temporal function on the basis of an elapsed time from a predetermined point in time.
08/21/14
20140233008
Illumination optical system, exposure apparatus, device production method, and light polarization unit
An illumination optical system which illuminates an illumination objective surface with a light from a light source. The illumination optical system includes a spatial light modulator which includes a plurality of optical elements arranged within a predetermined plane and controlled individually, and which forms a light intensity distribution in an illumination pupil of the illumination optical system; and a polarization unit which is arranged in a position optically conjugate with the predetermined plane, and which polarizes an incident light beam having a first and second partial light beams, coming into the polarization unit such that the first and second partial light beams have polarization states different from each other, and emits the polarized incident light beam as an outgoing light beam, wherein the polarization unit changes, in a cross section of the outgoing light beam, a ratio between a cross sectional areas of the first and second partial light beams..
08/21/14
20140233007
Method of calculating amount of fluctuation of imaging characteristic of projection optical system, exposure apparatus, and method of fabricating device
In a case where a substrate is exposed to exposure light of a first wavelength band, an exposure coefficient, which is defined as an amount of fluctuation of an imaging characteristic of a projection optical system per unit of exposure energy, for the first wavelength band is calculated using data of the amount of fluctuation of the optical characteristic of the projection optical system. An exposure coefficient for a second wavelength band that is different from the first wavelength band is calculated using the exposure coefficient for the first wavelength band.
08/21/14
20140233005
System and method for adjusting seed laser pulse width to control euv output energy
A method and apparatus for controlling the seed laser in a laser produced plasma (lpp) extreme ultraviolet (euv) light system are disclosed. In one embodiment, a seed laser generates both pre-pulses and main pulses which are amplified and irradiate a target material.
08/21/14
20140233003
Immersion photolithography system and method using microchannel nozzles
A liquid immersion photolithography system includes an exposure system that exposes a substrate with electromagnetic radiation and includes a projection optical system that focuses the electromagnetic radiation on the substrate. A liquid supply system provides liquid flow between the projection optical system and the substrate.
08/21/14
20140233000
Method for producing optical orientation film method for producing retardation film, system for producing optical orientation film, optical orientation film and retardation film
A method for producing an optical orientation film is disclosed, the method being able to realize highly accurate exposure in a pattern, even if a simple device and non-parallel light are used and a long continuous resin substrate is used and fed continuously. The method for producing the optical orientation film includes the steps of: (i) preparing an irradiation target substrate and a long continuous photomask (ii) feeding the irradiation target substrate continuously; (iii) feeding the photomask continuously; (iv) producing a laminate by laminating the photomask fed in step (iii) on an orientation layer of the irradiation target substrate fed in step (ii); (v) exposing the orientation layer in the pattern by irradiating with light, while feeding the laminate obtained in step (iv) in the longitudinal direction of the laminate; and (vi) removing the photomask from the laminate irradiated in step (v)..


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