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Date/App# patent app List of recent Waveguide-related patents
04/17/14
20140107638
 Apparatus for treating tissue with microwave radiation and antenna calibration system and method patent thumbnailnew patent Apparatus for treating tissue with microwave radiation and antenna calibration system and method
A calibration method and apparatus for surgical antennas arranged to deliver microwave radiation into biological tissue. An emitting region of the antenna is exposed to a plurality of calibration standards having different complex impedances at the treatment frequency.
04/17/14
20140107538
 Ultrasonic surgical instruments patent thumbnailnew patent Ultrasonic surgical instruments
In one general aspect, various embodiments are directed to a surgical instrument that can supply mechanical energy and electrical energy to an end effector of the surgical instrument. The surgical instrument may be operated in a first operating mode in which a transducer of the surgical instrument produces mechanical energy, or vibrations, that are transmitted to the end effector and a second operating mode in which electrical energy, or current, can flow through the end effector to perform electrosurgery.
04/17/14
20140107498
 Wearable apparatus and associated methods patent thumbnailnew patent Wearable apparatus and associated methods
A wearable apparatus including a waveguide configured to act as a conduit for light emitted from an illumination source to a photodetector via an interaction portion of the waveguide, the interaction portion configured to channel the light out of the waveguide to enable interaction of the light with a wearer's body and back into the waveguide to enable detection of the interacted light by the photodetector.. .
04/17/14
20140107495
 Wearable apparatus and associated methods patent thumbnailnew patent Wearable apparatus and associated methods
A wearable apparatus including a plurality of waveguides each configured to act as a conduit for light emitted from an illumination source to a photodetector via an interaction portion of the respective waveguide, the interaction portion of each waveguide configured to channel the light out of the respective waveguide to enable interaction of the light with the wearer's body and back into the respective waveguide to enable detection of the interacted light by the photodetector.. .
04/17/14
20140106665
 Wireless signal propagation apparatus patent thumbnailnew patent Wireless signal propagation apparatus
There is provided apparatus for propagation of a wireless signal through a barrier comprising a first antenna for location on a first side of the barrier, a second antenna for location on a second side of the barrier and a waveguide. The waveguide comprises a conducting member passing through the barrier between the first and second sides.
04/17/14
20140105789
 Optical-waveguide sensor chip, method of manufacturing the same, method of measuring substance, substance-measuring kit and optical-waveguide sensor patent thumbnailnew patent Optical-waveguide sensor chip, method of manufacturing the same, method of measuring substance, substance-measuring kit and optical-waveguide sensor
An optical-waveguide sensor chip includes an optical waveguide having a first substance immobilized on the surface thereof, the first substance being specifically reactive with an analyte substance, and fine particles dispersed on the optical waveguide and having a second substance immobilized on the surface thereof, the second substance being specifically reactive with the analyte substance.. .
04/17/14
20140105559
 Ferrule for a fiber optic connector patent thumbnailnew patent Ferrule for a fiber optic connector
A connector assembly for an optical waveguide includes an optical waveguide and a ferrule for receiving the optical waveguide. The ferrule has an exterior and a bore defined by an interior surface of the ferrule.
04/17/14
20140105556
 Surface waveguide having a tapered region and method of forming patent thumbnailnew patent Surface waveguide having a tapered region and method of forming
A method for forming a waveguide having a thin-core region, a thick-core region, and a transition region of tapered thickness between them is disclosed. The method comprises forming a lower core layer of a first material on a lower cladding, forming a thin central core layer of a second material on the first core layer, forming an upper core layer of the first material on the central core layer, and etching the upper core layer in an etchant such that it is removed from the thin-core region and its thickness monotonically changes from its as-deposited thickness to extinction across the transition region, where the central core layer protects the lower core layer from exposure to the etchant..
04/17/14
20140105554
 Reconfigurable liquid metal fiber optic mirror patent thumbnailnew patent Reconfigurable liquid metal fiber optic mirror
A true time delay system for optical signals includes a hollow core optical waveguide, a droplet of reflective liquid metal disposed in the hollow core, and an actuator coupled to a first end of the waveguide to move the droplet longitudinally within the hollow core. In one example, the waveguide is a hollow core photonic bandgap fiber.
04/17/14
20140105553
 Graphene photonic device patent thumbnailnew patent Graphene photonic device
Provided is a graphene optical device. The optical device includes a lower clad, an optical waveguide extended on the lower clad in a first direction, a first dielectric layer disposed on the optical waveguide, and a graphene layer extended on the first dielectric layer in a second direction..
04/17/14
20140105547
new patent Ferrule with stress-isolation feature
A ferrule for optical waveguides includes an exterior of the ferrule, an interior of the ferrule, and a stress-isolation region between the interior of the ferrule and the exterior of the ferrule. The interior of the ferrule has a bore defined therein that is configured to receive an optical waveguide.
04/17/14
20140105546
new patent Ferrule system for fiber optic connectors
An optical waveguide ferrule includes a body and a low-expansion material on one end of the body. The body of the ferrule is formed from a first material and has a bore extending lengthwise therethrough.
04/17/14
20140105545
new patent Graded composition for optical waveguide ferrule
A ferrule for optical waveguides includes an exterior and an interior of the ferrule. The interior of the ferrule has a bore defined therein that is configured to receive an optical waveguide.
04/17/14
20140105544
new patent Optical waveguide type optical terminator
An optical waveguide type optical terminator forms an optical waveguide structure including at least an optical absorption core (103) which is formed on a clad layer (102) and includes a portion composed of silicon in which an impurity of 1019 cm−3 or more is doped, and is used by being optically connected in series with an optical waveguide including a core (105) composed of silicon. The optical absorption core (103) is sufficient provided that, at least, an impurity of around 1019 cm−3 is doped therein.
04/17/14
20140105239
new patent Reduction of mode hopping in a laser cavity
The laser cavity is positioned on a substrate and includes a cavity waveguide guiding a laser light signal between a gain medium and a partial return device. The partial return device receives the laser light signal from the cavity waveguide and returns a first portion of the laser light signal to the cavity waveguide.
04/17/14
20140105232
new patent On-chip optical reference cavity exhibiting reduced resonance center frequency fluctuations
An optical apparatus comprises a waveguide substrate and an optical reference cavity. The optical reference cavity comprises an optical waveguide formed on the waveguide substrate and arranged to form a closed loop greater than or about equal to 10 cm in length.
04/17/14
20140104849
new patent Lamp
In various embodiments, a lamp may include a lamp bulb composed of light-transmissive material; and at least one semiconductor light source arranged within the lamp bulb, and comprising a base, corresponding to a standardized incandescent lamp base; wherein the lamp has at least one optical waveguide which is connected to the lamp bulb and extends in the direction of the at least one semiconductor light source.. .
04/17/14
20140104678
new patent Tunable quantum dot laser with periodically poled nonlinear crystal
The present invention uses nonlinear crystal waveguides to provide a continuous wave and picoseconds pulse laser systems that gives an order-of-magnitude increase in ir-to-visible conversion efficiency and also provide an order-of-magnitude increase of wavelength range for shg conversion. The idea of enabling such broad tunability is based on the utilization of a significant difference in the effective refractive indices of the high order and low order modes in the waveguide.
04/17/14
20140104665
new patent Holographic wide angle display
Provided in one embodiment is an apparatus for displaying an image, comprising: an input image node configured to provide at least a first and a second image modulated lights; and a holographic waveguide device configured to propagate the at least one of the first and second image modulated lights in at least a first direction. The holographic waveguide device comprises: at least a first and second interspersed multiplicities of grating elements disposed in at least one layer, the first and second grating elements having respectively a first and a second prescriptions.
04/17/14
20140104617
new patent Flow cell modules and liquid sample analyzers and methods including same
A flow cell module for use in a liquid sample analyzer includes a module housing, a liquid core waveguide mounted in the module housing to receive a flow of a liquid sample from a liquid sample source, an input optical fiber disposed in the module housing to transmit radiation from a radiation source to the liquid core waveguide, an input termination located on an input end of the input optical fiber, a first kinematic connection mechanism operative to bias the input termination in a first direction along a first axis while permitting displacement of the input termination in a first opposing direction along the first axis, and a second kinematic connection mechanism operative to bias the input termination in a second direction along a second axis while permitting displacement of the input termination in a second opposing direction along the second axis. The second axis is transverse to the first axis..
04/17/14
20140104605
new patent Flow cell assembly for liquid sample analyzer
A flow cell assembly for use in a liquid sample analyzer including a radiation source, a sensing device and a liquid sample source to supply a liquid sample includes an entrance joint member, a liquid core waveguide, a liquid sample feed tube, and an input optical fiber. The entrance joint member includes a waveguide receiving bore and a feed tube receiving bore.
04/17/14
20140104539
new patent Backlight module and liquid crystal display device
The present invention provides a backlight module comprises a waveguide, a reflector, and elastic members. Wherein the elastic members are used to arranged on corners of the waveguide, and the reflector is arranged on a side of the waveguide facing the elastic members.
04/17/14
20140104130
new patent Systems and methods for injection molded phase shifter
Systems and methods for an injection molded phase shifter are provided. In at least one embodiment, a method for fabricating a phase shifter comprises fabricating a ferrite element with first and second ends, wherein electromagnetic energy propagating through the ferrite element propagates between the first the second end; placing the ferrite element within a waveguide mold; and injecting a liquefied dielectric into the mold, wherein the liquefied dielectric hardens to form first and second solid dielectric layers that abut against out-of-plane surfaces of the ferrite element.
04/17/14
20140104129
new patent Ultra-wideband antenna and terminal
The present disclosure discloses an ultra-wideband antenna, including: a coplanar waveguide feeder connected to a radio frequency (rf) excitation port on the pcb substrate at one end and to a tapering supporting arm at the other end; the tapering supporting arm connected to the coplanar waveguide feeder at one end and to a primary radiating closed-band-shaped monopole at the other end; the primary radiating closed-band-shaped monopole connected to the tapering supporting arm; a primary coupling patch located in the area closed by the closed band of the primary radiating closed-band-shaped monopole; a secondary radiating closed-band-shaped monopole connected to the primary radiating closed-band-shaped monopole through a metallic via; and a secondary coupling patch located in the area closed by the closed band of the secondary radiating closed-band-shaped monopole. The present disclosure also discloses an ultra-wideband terminal.
04/17/14
20140104104
new patent Simultaneous imaging and precision alignment of two millimeter wave antennas based on polarization-selective machine vision
A system and method for imaging and aligning antennas that includes an overlay imaging aligner composed of two or more antennas in association with a polarization gate, a polarization beam splitter, a non-polarizing beam splitter, a beam dump, one or more imaging lens and a common detector array. The overlay imaging aligner aligns the antennas by overlaying simultaneous digital images associated with the antennas on the common detector array.
04/17/14
20140104017
new patent Compact twist for connecting orthogonal waveguides
A compact interfacing device for rotating electro-magnetic fields between an input and output waveguide includes a support bar extending between opposing sides of a frame, the frame encircling an interior space divided by the support bar; and a dipole bar orientated orthogonal to the support bar. When the input waveguide interfaces an input-side of the frame and is arranged so that an extent of an input width of the input waveguide is orientated at first angle with respect to an extent of the dipole-bar length, and when the output waveguide interfaces an output-side of the frame and is arranged so that an extent of an output width of the output waveguide is orientated at a second angle with respect to the extent of the dipole-bar length, an input electric field aligned perpendicular to the extent of the input width is rotated upon propagating through the compact interfacing device..
04/17/14
20140104014
new patent Waveguide-configuration adapters
A waveguide-configuration adapter is provided. The waveguide-configuration adapter includes a horizontal waveguide and a vertical waveguide.
04/17/14
20140103218
new patent Concentrating light towards a target element
An optical device (102) configured for concentrating light towards a target element (104) is provided. The optical device (102) comprises a waveguide element (106) configured for guiding light towards the target element (104), and a wavelength conversion element (108) configured for converting incoming light of a first wavelength into outgoing light of a second wavelength.
04/17/14
20140103209
new patent Terahertz-wave element, terahertz-wave detecting device, terahertz time-domain spectroscopy system, and tomography apparatus
A terahertz-wave element includes a waveguide (2, 4, 5) that includes an electro-optic crystal and allows light to propagate therethrough, and a coupling member (7) that causes a terahertz wave to enter the waveguide (2, 4, 5). The propagation state of the light propagating through the waveguide (2, 4, 5) changes as the terahertz wave enters the waveguide (2, 4, 5) via the coupling member (7)..
04/17/14
20140102201
new patent Method for determining boiler tube cold side cracking and article for accomplishing the same
Disclosed herein is a scanning device for performing ultrasonic nondestructive testing of a tube, comprising a housing; the housing having bottom surface that is concavely curved with cavities to accommodate a waveguide assembly and an encoder assembly; where the waveguide assembly comprises a waveguide and a probe that are in communication with one another; the waveguide having at least one surface that is contoured to match an outer surface of the tube; where the waveguide facilitates the transmission of ultrasonic signals into the tube generated by the probe; and where the encoder assembly comprises a spring loaded wheel that contacts the tube; and where the encoder assembly provides a signal indicative of a location of the probe relative to a position on the tube as the scanning device is moved in a direction of a longitudinal axis of the tube.. .
04/10/14
20140099703
Capillary waveguide cuvette
A cuvette for use with a spectophotometer having a capillary sample chamber having a volume of from 1 microliter to 1 femtoliter.. .
04/10/14
20140099121
Optical module
An optical module includes first optical elements disposed on a first surface side of optical waveguides, first signal wirings disposed on the first surface side in parallel with each other in a direction intersecting with a transmission direction of an electrical signal transmitted by a first signal wiring, second optical elements disposed on a second surface side of the optical waveguides, and second signal wirings disposed on the second surface side in parallel with each other in a direction intersecting with a transmission direction of an electrical signal transmitted by a second signal wirings, the optical waveguides being disposed in parallel with each other in a direction intersecting with an optical waveguide direction of an optical signal guided by an optical waveguide at an interval which is narrower than an interval between the adjacent first signal wirings and narrower than an interval between the adjacent second signal wirings.. .
04/10/14
20140099108
System and method for heterodyne coherent detection with optimal offset
A heterodyne optical signal detector and method performed thereby, the signal detector including an optical signal spectrum shaper operable to modify the shape of the frequency spectrum of a received optical signal, a laser local oscillator (lo), and polarization beam splitters (pbss) to divide the signal and the lo into orthogonal components, waveguides in which intermediate frequency (if) signals are formed, balanced photodetectors (bpds) arranged to receive the if signals and operable to convert the if signals into electric signals, and analog to digital converters (adcs) that digitize the electric signals. In embodiments, the adcs have a predetermined bandwidth, the received signal has a spectrum which, if not shaped, would produce if signals with a bandwidth greater than that of the adcs, the spectrum shaper modifies the received signal spectrum to produce if signals that have a bandwidth substantially equal to half the bandwidth of the adcs, the laser frequency is adjusted produce if signals in the waveguides having a frequency spectrum centered at the midpoint of the adcs' bandwidth..
04/10/14
20140099104
Method to mitigate propagation loss in waveguide transmission of quantum states
A system comprises a source of entangled photon pairs. The source is to place a signal photon and an idler photon in individual unknown quantum states but in a known entangled quantum state.
04/10/14
20140099059
Compact optical package made with planar structures
A device structure and system for connecting optical waveguides to optical transmit and receive components is described. The structure is made of two parts.
04/10/14
20140099054
Coupled plasmonic waveguides and associated apparatuses and methods
An apparatus and corresponding method in which the apparatus includes a dielectric waveguide and a metallic waveguide. The dielectric waveguide has an effective mode index and a longitudinal dimension.
04/10/14
20140099053
Optical waveguide device, optical interferometer and control method for optical waveguide device
In order to independently perform control of a phase difference and a loss of light transmitting through an optical waveguide in a simple and easy configuration, an optical waveguide device includes an optical waveguide provided with two electrodes each supplied with a corresponding one of two signals; and a control unit for controlling the two signals so as to cause a phase variation and a loss variation which are caused in light transmitting through the optical waveguide by the two signals to each have a predetermined value.. .
04/10/14
20140099052
Light modulator, optical pickup, and light modulation module
A light modulator (101) includes a waveguide (112) through which guided light propagates, a metal layer (113) formed adjacent to the waveguide (112), a conductive oxide layer (114) having electrical conductivity and formed on a surface of the metal layer (113) which is not adjacent to the waveguide (112), an insulating layer (115) formed adjacent to the conductive oxide layer (114), and a modulation circuit (102) that applies a voltage between the metal layer (113) and one of the conductive oxide layer (114) and the insulating layer (115). An interface (11) at which the conductive oxide layer (114) and the insulating layer (115) are adjacent to each other is formed at a distance shorter than a wavelength of the guided light in vacuum, from the surface of the metal layer (113) which is not adjacent to the waveguide (112)..
04/10/14
20140098833
Hybrid vertical cavity laser for photonic integrated circuit
According to example embodiments, a hybrid vertical cavity laser for a photonic integrated circuit (pic) includes: a grating mirror between first and second low refractive index layers, an optical waveguide optically coupled to one side of the grating mirror, a iii-v semiconductor layer including an active layer on an upper one of the first and second low refractive index layers, and a top mirror on the iii-v semiconductor layer. The grating mirror includes a plurality of bar-shaped low refractive index material portions arranged parallel to each other.
04/10/14
20140098722
Radio-frequency transceiver device in wireless communication system
A radio-frequency transceiver device, used in a wireless communication system, includes a housing; a first printed circuit board, disposed on a first surface of the housing; a second printed circuit board, disposed on a second surface of the housing, for cooperating with the first printed circuit board to process a receive signal; and a waveguide, connected to the housing, having an orthomode transducer, having a common port, for conveying a transmit signal and the receive signal; a first low-pass filter, coupled to a co-polar port of the orthomode transducer; and a diplexer, coupled to a cross-polar port of the orthomode transducer, for cooperating with the first low-pass filter to separate the transmit signal and the receive signal; wherein connection of the housing and the waveguide substantially conforms to an l shape.. .
04/10/14
20140098564
Led-based light fixture
Led-based light fixtures are presented that are configured for attachment to a substrate to advantageously function without a reflector and without a backing plate. A light fixture according to an embodiment includes a waveguide having a front surface and a rear surface for emitting light, the waveguide configured to optically couple to a surface of a substrate.
04/10/14
20140098558
Collimating illumination systems employing a waveguide
An illumination system employing an elongated waveguide having a non-round transversal cross-section and having at least a portion of its surface shaped in the form of a linear collimating element. The waveguide further employs at least one array of light extracting features distributed along a longitudinal axis of the waveguide and disposed in the focal area of the respective linear collimating element.
04/10/14
20140098439
Thermally-assisted magnetic write head, head gimbal assembly, head arm assembly, and magnetic disk unit
A thermally-assisted magnetic write head includes a waveguide, a magnetic pole, and a plasmon generator interposed between the waveguide and the magnetic pole. The magnetic pole includes a first surface exposed on an air bearing surface, a second surface facing the plasmon generator, and a third surface connecting the first surface and the second surface..
04/10/14
20140098011
Autostereoscopic display illumination apparatuses and autostereoscopic display devices incorporating the same
Embodiments are generally directed to autostereoscopic display device illumination apparatuses having one or more optical fibers (i.e., flexible light diffusing waveguides) as linear emitters for illuminating columns of pixels of a display panel within the autostereoscopic display device. In some embodiments, the linear emitters are defined by a single optical fiber that is arranged on a substrate in a serpentine manner to form an array of linear emitters.
04/10/14
20140098010
Backlight for viewing three-dimensional images from a display from variable viewing angles
A display system produces three-dimensional images. The display system includes a waveguide, and a light source that injects light into the waveguide.
04/10/14
20140097919
Waveguide member
A waveguide member assembly includes a side plate and a waveguide member. The side plate defines an opening.
04/10/14
20140097918
Printed circuit board having dc blocking dielectric waveguide vias
A printed circuit board is disclosed. The printed circuit board includes a first signal transmission layer, a via and a second signal transmission layer.
04/10/14
20140097841
Spinwave based nondestructive material, structure, component, or device testing tools
Systems and methods for spinwave-based metrology in accordance with embodiments of the disclosure involve generating and detecting spinwaves in a sample having a ferromagnetic material; and determining a material thickness, a material integrity measure, a presence of a manufacturing defect, a categorical type of manufacturing defect, and/or a manufacturing process statistic corresponding to spinwave behavior in the sample. In an embodiment, spinwaves are generated by way of concurrent exposure of a target measurement site of the sample to each of a bias magnetic field and radiation (e.g., microwave or radio frequency radiation) produced by a first set of integrated waveguides.
04/10/14
20140097794
Motor vehicle having a storage for electric energy
The invention relates to a motor vehicle having a storage for electrical energy, which store is coupled to a coil into which electrical energy can be induced from outside the motor vehicle during a charging process. The vehicle includes a housing in which the coil is arranged, the housing being made of plastic toward the underside of the motor vehicle, and an optical waveguide is arranged in particular between two walls of the housing.
04/10/14
20140097524
Coplanar waveguide for stacked multi-chip systems
An approach for a coplanar waveguide structure in stacked multi-chip systems is provided. A method of manufacturing a semiconductor structure includes forming a first coplanar waveguide in a first chip.
04/10/14
20140097344
Terahertz wave measurement device and method
The base plate is transmissive to terahertz waves, and a sample is disposed at the base plate. In the conductive periodic structure, plural transmission portions that transmit terahertz waves are arrayed with a predetermined period.
04/10/14
20140097343
Spectroscopic detector and corresponding method
The invention relates to a spectroscopic detector, including: at least one waveguide (70) arranged on a substrate (7) and having an input surface (700) to be connected to an electromagnetic source, in particular an infrared source, and a mirror (701) on the opposite surface, so as to generate a standing wave inside the waveguide; and a means for detecting electromagnetic radiation, which output an electrical signal according to the local intensity of the electromagnetic wave, characterised in that said detection means consists of suspended membrane bolometers (72 to 75) distributed between the input surface and the mirror, each membrane of said heat detectors being separated from said at least one waveguide by anchoring points (42) on said substrate (7), and in that means (702 to 705) for sampling a portion of the electromagnetic wave is provided between the input surface and the mirror.. .
04/03/14
20140095121
Transferring heat through an optical layer of integrated circuitry
A method in a computer-aided design system for generating a functional design model of an integrated circuitry structure including generating a functional representation of at least first and second regions of the integrated circuitry structure, generating a functional representation of an optical layer comprising optical waveguides, and generating a functional representation of a heat-conductive material for transferring heat from at least the second region through the optical layer to a heat sink.. .
04/03/14
20140093993
Device of monolithically integrated optoelectrics
A method is disclosed for fabricating optoelectronic component structures and traditional circuit elements on a single silicon substrate. Specific examples of optoelectronic components include, but are not limited to: photodiode structures, light emitter structures and waveguide structures.
04/03/14
20140093432
Optical sensor of bio-molecules using thin-film interferometer
The present invention is directed to an assembly for use in detecting an analyte in a sample based on thin-film spectral interference. The assembly comprises a waveguide, a monolithic substrate optically coupled to the waveguide, and a thin-film layer directly bonded to the sensing side of the monolithic substrate.
04/03/14
20140093244
Filtered laser array assembly with external optical modulation and wdm optical system including same
A filtered laser array assembly generally includes an array of laser emitters coupled between external modulators and an arrayed waveguide grating (awg). Each of the laser emitters emits light across a plurality of wavelengths including, for example, channel wavelengths in an optical communication system.
04/03/14
20140093208
High-precision passive alignment of optical components with optical waveguides using a common adapter
A method for aligning optical components comprised in an optical component assembly and optical waveguides comprised in an optical waveguide assembly according to a common optical axis and by using an adapter includes providing the optical component assembly with a first alignment structure comprising a cavity designed according to the position of the optical components within the optical component assembly; providing an adapter presenting a base surface comprising a first step structure; providing the optical waveguide assembly with a second alignment structure comprising a distinct step structure designed according to the position of the waveguides within the waveguides assembly; and positioning the optical component assembly, the optical waveguide assembly and the adapter, so that a sidewall of the cavity and the distinct step structure are put in contact with a sidewall of the first step structure.. .
04/03/14
20140093206
High-precision passive alignment of optical components with optical waveguides using a common adapter
A method for aligning optical components comprised in an optical component assembly and optical waveguides comprised in an optical waveguide assembly according to a common optical axis and by using an adapter includes providing the optical component assembly with a first alignment structure comprising a cavity designed according to the position of the optical components within the optical component assembly; providing an adapter presenting a base surface comprising a first step structure; providing the optical waveguide assembly with a second alignment structure comprising a distinct step structure designed according to the position of the waveguides within the waveguides assembly; and positioning the optical component assembly, the optical waveguide assembly and the adapter, so that a sidewall of the cavity and the distinct step structure are put in contact with a sidewall of the first step structure.. .
04/03/14
20140093202
Optical modulator
An optical modulator comprises a substrate 4 having a thickness of 20 μm or less and an electro-optic effect, a reinforcing substrate 6 holding the substrate 4 thereon and a resin layer 5 disposed between the substrate and the reinforcing substrate, in which the substrate 4 includes optical waveguides 1 and 2 and control electrodes 3 and 31 which control light waves propagating through the optical waveguide, in which the optical waveguides include at least two optical waveguides 1 separated from each other, and in which the control electrodes 31 disposed between the two optical waveguides are configured to include two electrodes 31 disposed along each optical waveguide, and a thin line 8 conducting the two electrodes 31 at a same potential.. .
04/03/14
20140093114
Acoustic waveguide and computing devices using same
Computing devices and microphone assemblies including acoustic waveguides are described. According to some examples, a computing device may include an enclosure, a microphone which may be spaced apart and angled relative to the interior surface of the enclosure to which the microphone may be coupled.
04/03/14
20140092715
Method and system for improving laser alignment and optical transmission efficiency of an energy assisted magnetic recording head
An eamr disk drive includes a media, a laser, and a slider coupled with the laser. The laser for provides energy.
04/03/14
20140092627
Optical waveguide sheet, edge-lit backlight unit and laptop computer
The optical waveguide sheet of the present invention is for use in an edge-lit backlight unit of a liquid crystal display unit of laptop computers having a housing thickness of no greater than 21 mm, and includes: an optical waveguide layer containing a polycarbonate-based resin as a principal component; and a hard coat layer laminated on the back face side of the optical waveguide layer, an average thickness of the optical waveguide sheet being no greater than 600 μm. An average thickness of the hard coat layer is preferably from 2 μm to 20 μm.
04/03/14
20140092626
Optical waveguide sheet, edge-lit backlight unit and laptop computer
The optical waveguide sheet of the present invention is an optical waveguide sheet for use in an edge-lit backlight unit of a liquid crystal display unit of laptop computers having a housing thickness of no greater than 21 mm, and includes an optical waveguide layer containing a polycarbonate-based resin as a principal component; and a protective layer laminated on the back face of the optical waveguide layer, the protective layer containing an acrylic resin as a principal component, wherein an average thickness of the optical waveguide sheet is no lower than 250 μm and no greater than 600 μm. An average thickness of the protective layer is preferably no less than 10 μm and no greater than 100 μm, and a relative refractive index of the protective layer with respect to the optical waveguide layer is preferably no greater than 0.95..
04/03/14
20140092623
Manipulation of color illumination using light diffusing fiber
An illuminated color display panel having at least one light diffusing waveguide, and a transparent panel having at least one luminophore provided in a predetermined pattern on at least one major planar surface of the transparent panel is provided. Light from at least one light source is coupled to the waveguide and light from the waveguide is coupled to the panel at or adjacent at least one edge of the panel.
04/03/14
20140092622
Lighting strip
The invention relates to a lighting strip (100) for mounting in or on a panel support element (210) of a modular panel system (200). The lighting strip comprises an optical waveguide (120) having a tapered portion increasing in thickness from the center towards a first side of the lighting strip.
04/03/14
20140092621
Semiconductor structure with waveguide
A light-emitting diode (led) apparatus comprises a substrate, a first layer formed over at least a portion of the substrate, an active layer formed over at least a portion of the first layer, a second layer formed over at least a portion of the active layer, and at least one waveguide formed below the substrate. A first portion of light from the led is directed in a first direction and a second portion of light from the led is directed in a second direction via the waveguide, the second direction being different than the first direction.
04/03/14
20140092620
Waveguide apparatus for illumination systems
A waveguide (100, 101) such as optical fiber is to receive a primary light in a longitudinal (propagation) direction. The fiber has formed therein scattering structures (105, 106, 107) that re-direct the propagating primary light out of the waveguide, for instance in a transverse direction.
04/03/14
20140092472
Stepped waveguide autostereoscopic display apparatus with a reflective directional element
An autostereoscopic display apparatus may include a stepped waveguide, optical elements, and one or more reflective imaging and/or directional elements. These elements may be arranged to return light from the stepped waveguide into an array of viewing windows.
04/03/14
20140091962
Level gauge system and adaptor with reflector
A level measuring device with a signal generator for electromagnetic waves includes an elongated hollow waveguide or for guiding the generated electromagnetic waves, wherein on the end of the hollow waveguide a reflector is situated and a method for operating the same.. .
04/03/14
20140091884
Substrate integrated waveguide to air filled waveguide transition
A substrate integrated waveguide to air filled waveguide transition includes an electrically conductive top layer, an electrically conductive base layer spaced apart from the top layer, wherein the top and base layers each extend along a length axis from a first end to a second end of the transition, the top layer defining a width axis normal to the length axis in the plane of the top layer, and wherein a separation between the top layer and base layer increases towards the second end in a transition region, wherein the transition further includes a dielectric layer sandwiched between the top and base layers, the dielectric layer including a taper portion having a width which tapers to a point at an end point between first and second ends, the width of the taper decreasing towards the second end.. .
04/03/14
20140091879
Antenna and printed-circuit board using waveguide structure
A waveguide structure including a plurality of unit structures, each of which at least includes a first conductive plane and a second conductive plane, which are arranged to partially face with each other, a plurality of transmission lines with one ends being open ends, which are disposed in a plane, positioned opposite to the second conductive plane, in a layer different from the first conductive plane and the second conductive plane, and at least one conductive via, which electrically connect between the first conductive plane and other ends of the transmission lines.. .
04/03/14
20140091332
Led lighting devices incorporating waveguides
A led lighting device includes at least one waveguide element and multiple light-emitting sources such as leds or led packages, which may be optically coupled though different light entry regions to the at least one waveguide. Multiple light solid state sources may be arranged in strips.
04/03/14
20140091292
Oleds comprising light extraction substructures and display devices incorporating the same
An organic light emitting diode comprising a light extraction substructure and a diode superstructure is provided. The light extraction substructure comprises a light expulsion matrix distributed over discrete light extraction waveguide elements and a waveguide surface of the glass substrate.


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