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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


Quantum computer and quantum computing using ising model

Multi-spot laser probe with micro-structured distal surface

Innenkant catheter tip

Date/App# patent app List of recent Optical-related patents
07/17/14
20140201314
 Mirroring high performance and high availablity applications across server computers patent thumbnailMirroring high performance and high availablity applications across server computers
Systems and methods to minor data and otherwise manage memory are provided. A buffer may be coupled to a processor and be configured to write a first copy of data to a first memory located at a first server computer and a second copy of the data to a second memory that is accessible to both the first server computer and a second server computer.
07/17/14
20140200689
 Quantum computer and quantum computing using ising model patent thumbnailQuantum computer and quantum computing using ising model
For each pair of a plurality of slave lasers b for which injection synchronization is performed by a master laser m, by controlling the intensity of light exchanged between two slave lasers b and an optical path length between the two slave lasers b using a slave-to-laser intensity control unit ia and an inter-slave laser optical path length control unit ip, the magnitude and the sign of pseudo ising interaction jij between the two slave lasers b are implemented. After the plurality of slave lasers b arrive at a steady state, by measuring relative values of the oscillation phases of the plurality of slave lasers b with respect to the oscillation phase of the master laser m by using an oscillation phase measuring unit pm, pseudo ising spins σi of the plurality of slave lasers b are measured..
07/17/14
20140200566
 Multi-spot laser probe with micro-structured distal surface patent thumbnailMulti-spot laser probe with micro-structured distal surface
An optical surgical probe, configured to optically couple to a light source; comprising a cannula; a light guide within the cannula, configured to receive a light beam from the light source, to guide the light beam to a distal end of the light guide, and to emit the light beam at the distal end of the light guide; and a multi-spot generator at a distal end of the cannula, the multi-spot generator having a faceted proximal surface with oblique facets, configured to receive the light beam emitted at the distal end of the light guide and to split the received light beam into multiple beam-components, and a distal surface through which the multiple beam-components exit the multi-spot generator, wherein the distal surface is micro-structured with a modulation length smaller than a wavelength of the light beam in order to reduce the reflectance of light back into the probe.. .
07/17/14
20140200565
 Innenkant catheter tip patent thumbnailInnenkant catheter tip
The invention relates to a laser catheter for bypass surgery. The laser catheter comprises: a tubular arrangement comprising a tubular bundle of optical fibres having distal ends defining an emitting surface for emitting laser radiation in the distal direction of the catheter; at the distal end of the catheter, a channel extending in axial direction of the catheter and defined by the inside of the tubular arrangement, which channel is connectable to a suction source; and a grid element arranged inside the channel at a distance proximally from the emitting surface, which grid extends in transverse direction of the catheter across the channel.
07/17/14
20140200562
 Ophthalmological device for treating eye tissue patent thumbnailOphthalmological device for treating eye tissue
An ophthalmological device (10) for treating eye tissue (6) with laser pulses (l) comprises a projection optical unit (3) for focused projection of the laser pulses (l), a scanner system (1) for dynamically deflecting the laser pulses (l) and a zoom system (20), which is arranged between the projection optical unit (3) and the scanner system (1) and which is configured to adjust the focused projection of the laser pulses (l) in the projection direction (r) in different zoom settings (z). The ophthalmological device (10) moreover comprises a displacement device (4), which is configured to displace the scanner system (1) depending on the zoom setting (z) of the zoom system (20).
07/17/14
20140200459
 Apparatus for optical analysis of an associated tissue patent thumbnailApparatus for optical analysis of an associated tissue
The present invention relates to an apparatus 100 and, a method and a computer program for determining a parameter indicative of a tissue type of an associated tissue 116. In particular, the invention relates to an apparatus 100 comprising a spectrometer 102, which spectrometer comprises a light source 104 and a detector 106, 108 arranged to measure an optical spectrum.
07/17/14
20140200454
 Image generation system patent thumbnailImage generation system
An image generation system is provided, the system generating an ultrasound image and a photo-acoustic image of an object and including a dual-wavelength laser source, an optical filter, and an optical-based ultrasound sensor. The laser source generates a first laser pulse with a first wavelength or a second laser pulse with a second wavelength.
07/17/14
20140200438
 Intraluminal imaging system patent thumbnailIntraluminal imaging system
The invention generally relates to devices and methods that allow an operator to obtain real-time images of a luminal surface prior to, during, and after an intraluminal procedure, including while an intraluminal tool is engaged with the luminal surface. In one embodiment, an imaging system of the invention includes a guidewire comprising a first imaging element and a catheter comprising a second imaging element and a lumen that is configured to slidably receive at least a portion of the guidewire within.
07/17/14
20140200431
 Integrated optical neural probe patent thumbnailIntegrated optical neural probe
In certain embodiments, a neural probe comprises a substrate comprising elongated shanks for penetrating neural tissue, each comprising a proximal end and a distal end; at least one optical source integral to the neural probe for illuminating the neural tissue; and microelectrodes located proximate the distal end of the elongated shanks for monitoring neuronal activity. In certain embodiments, a method of monitoring neuronal activity comprises implanting the neural probe into a test subject such that the elongated shanks protrude into neural tissue of the test subject; illuminating the neural tissue with the at least one optical source; and measuring neuronal activity in response to illuminating the neural tissue.
07/17/14
20140200421
 Physiological sensor having biodegradable optics patent thumbnailPhysiological sensor having biodegradable optics
Medical sensor assemblies configured to provide enhanced patient comfort when worn over a period of time are provided. The medical sensor assemblies may include sensors in optical communication with one or more biodegradable light guides that facilitate the transmission of light to and from an internal tissue of the patient.
07/17/14
20140200419
Optical detection of carotenoid-related compounds in human bone and surrounding tissues
The present invention is directed to measuring the levels of carotenoids and other similar chemical compounds that are present in varying degrees in human bone and surrounding tissues. The invention permits non-contact, quantitative measurements of carotenoid levels of tissues, exposed during surgery, from a safe distance.
07/17/14
20140200408
Otoscanner with fan and ring laser
An otoscanner including a conical laser-reflective optical element and a laser light source and the conical laser-reflecting optical element are configured so that the conical laser-reflecting optical element, when illuminated by the laser light source, projects a broken ring of laser light upon an interior surface of the ear when the ear probe is positioned in the ear and a diffractive laser optic lens and the laser light source and the diffractive laser optic lens are configured so that the diffractive laser optic lens, when illuminated by the laser light source, projects upon an interior surface of the ear a fan of laser light at a predetermined angle with respect to a front surface of the diffractive laser optic lens when the ear probe is positioned in the ear.. .
07/17/14
20140200355
Method for preparing optically pure (-)-clausenamide compound
Disclosed in the present invention is a method for preparing a (−)-clausenamide compound of formula (i), comprising: firstly, catalyzing the asymmetrical epoxidation of trans-cinnamate using a chiral ketone derived from fructose or a hydrate thereof as a catalyst, and then subjecting the product to transesterification, oxidation, cyclization and reduction successively to finally obtain the optically pure (−)-clausenamide compound of formula (i).. .
07/17/14
20140200336
Flexible carbohydrate-bearing polymer
A sensor for the detection or measurement of a carbohydrate analyte in fluid comprises components of a competitive binding assay the readout of which is a detectable or measurable optical signal retained by a material that permits diffusion of the analyte but not the assay components, the assay components comprising: a carbohydrate binding molecule labelled with one of a proximity based signal generating/modulating moiety pair; and a carbohydrate analogue capable of competing with the analyte for. Binding to the carbohydrate binding molecule, the carbohydrate analogue being a flexible water-soluble polymer comprising: polymerized or co-polymerised residues of monomer units, the monomer unit residues bearing pendant carbohydrate or carbohydrate mimetic moieties and pendant moieties which are the other of the proximity based signal generating/modulating moiety pair..
07/17/14
20140200320
Polymerizable compound, polymerizable composition, polymer, and optically anisotropic body
The present invention provides a polymerizable compound represented by the following formula (i), a polymerizable composition that includes the polymerizable compound and an initiator, a polymer obtained by polymerizing the polymerizable compound or the polymerizable composition, and an optically anisotropic article that includes the polymer. The invention makes it possible to provide a polymerizable compound, a polymerizable composition, and a polymer that have a practical low melting point, exhibit an excellent solubility in a general-purpose solvent, can be produced at low cost, and may produce an optical film that achieves uniform conversion of polarized light over a wide wavelength band, and an optically anisotropic article.
07/17/14
20140200308
Polycarbonate compositions having improved thermal dimensional stability and high refractive index
Disclosed herein are methods and compositions of polycarbonate compositions having, among other characteristics, improved thermal dimensional stability, hydrolytic stability and high refractive index. The resulting polycarbonate copolymer composition, comprising a polycarbonate and a polysulfone, can be used in the manufacture of articles for optical applications.
07/17/14
20140200240
Methods for determining patient response to anti-platelet aggregation therapy
Diagnostic methods for determining whether an individual will benefit from a particular anti-thrombotic therapeutic agent are disclosed. The methods involve obtaining a biological sample that comprises platelets, from a patient who has been pre-administered a particular therapeutic agent, which is an antagonist of a receptor associated with the biochemical pathways involved in platelet aggregation, and exposing the platelets to an agonist of the receptor.
07/17/14
20140200204
Combinations of corroles and statins
Embodiments of the invention relate to methods of treatment a cardiovascular disease in a patient comprising administering an effective amount of a statin or a pharmaceutically acceptable salt thereof in combination with an effective amount of a transition metal complex of a corrole, an optically active isomer thereof or a pharmaceutically acceptable salt thereof. Further embodiments refer to pharmaceutical compositions comprising a statin and a corrole..
07/17/14
20140200054
Sensing case for a mobile communication device
A protective case for enveloping a smartphone incorporates at least one sensor for detecting stimuli arriving from outside of the smartphone. The case and the phone form an integral unit that possess extra features than the phone alone wouldn't have.
07/17/14
20140199831
Semiconductor device and a method of manufacturing the same
For simplifying the dual-damascene formation steps of a multilevel cu interconnect, a formation step of an antireflective film below a photoresist film is omitted. Described specifically, an interlayer insulating film is dry etched with a photoresist film formed thereover as a mask, and interconnect trenches are formed by terminating etching at the surface of a stopper film formed in the interlayer insulating film.
07/17/14
20140199795
Sealing member, sealing method, and method for producing optical semiconductor device
A sealing member includes an elongated releasing film, and a plurality of sealing resin layers composed of a sealing resin, the plurality of sealing resin layers being laminated on the releasing film so that the plurality of sealing resin layers are arranged in a row along the longitudinal direction of the releasing film with a space provided therebetween.. .
07/17/14
20140199792
Defect pattern evaluation method, defect pattern evaluation apparatus, and recording media
According to a defect pattern evaluation method of an embodiment, defects are detected by performing optical defect inspection on a pattern on a substrate. Then, the defects are classified according to a type of a pattern layout using a pattern layout corresponding to coordinates of the defects.
07/17/14
20140199787
Semiconductor mask blanks with a compatible stop layer
Provided is a method for creating a mask blank that includes a stop layer. The stop layer is optically compatible and process compatible with other layers included as part of the mask blanks.
07/17/14
20140199785
Multizone control of lamps in a conical lamphead using pyrometers
A method and apparatus for processing a semiconductor substrate is described. The apparatus is a process chamber having an optically transparent upper dome and lower dome.
07/17/14
20140199772
Procedure and automatic apparatus for in vitro blood coagulation diagnostic tests
Apparatus and processes for automated diagnostic testing may include cuvette dispensing, test sample dispensing, reagent dispensing, incubation, photo-optical measuring, and a control in operative communication with the cuvette dispensing unit, the test sample dispenser, the reagent dispenser, the incubation unit, and the measuring unit. A cuvette removal location, a reagent removal location, a measuring location, and a collection receptacle may be situated along a first common circular arc having first geometric center.
07/17/14
20140199758
Bilirubin hematolfluorometer and reagent kit
A reagent kit for detecting bilirubin in a fluid sample. The reagent kit includes a body defining at least one fluid receiving well and an optical window positioned over each at least one fluid receiving well.
07/17/14
20140199715
Light collection system
The present teachings provide a detection cell for a biological material and methods for detecting biological material including a photosensitive material optically coupled to an interior volume containing the biological material so to avoid optical components or an external light source.. .
07/17/14
20140199636
Sub-diffraction-limited patterning and imaging via multi-step photoswitching
Sub-diffraction-limited patterning using a photoswitchable recording material is disclosed. A substrate can be provided with a photoresist in a first transition state.
07/17/14
20140199628
Lithographic material stack including a metal-compound hard mask
A lithographic material stack including a metal-compound hard mask layer is provided. The lithographic material stack includes a lower organic planarizing layer (opl), a dielectric hard mask layer, and the metal-compound hard mask layer, an upper opl, an optional anti-reflective coating (arc) layer, and a photoresist layer.
07/17/14
20140199592
High sulfur content copolymers and composite materials and electrochemical cells and optical elements using them
The present invention relates generally to high sulfur content polymeric materials and composites, methods for making them, and devices using them such as electrochemical cells and optical elements. In one aspect, a polymeric composition comprising a copolymer of sulfur, at a level in the range of at least about 50 wt % of the copolymer, and one or more monomers each selected from the group consisting of ethylenically unsaturated monomers, epoxide monomers, and thiirane monomers, at a level in the range of about 0.1 wt % to about 50 wt % of the copolymer..
07/17/14
20140199543
Reflective optical element and optical system for euv lithography
In order to reduce the negative influence of reactive hydrogen on the lifetime of a reflective optical element, particularly inside an euv lithography device, there is proposed for the extreme ultraviolet and soft x-ray wavelength region a reflective optical element (50) having a reflective surface (60) with a multilayer system (51) and in the case of which the reflective surface (60) has a protective layer system (59) with an uppermost layer (56) composed of silicon carbide or ruthenium, the protective layer system (59) having a thickness of between 5 nm and 25 nm.. .
07/17/14
20140199542
Graphene coated optical elements
In one aspect, coated optical elements are described herein. In some implementations, a coated optical element comprises an optical element and a graphene coating layer disposed on a surface of the optical element.
07/17/14
20140199521
Method of producing an optical element having a mark
The present invention relates to a method of forming an optical element that includes a mark. The method involves, irradiating at least a portion of a surface of the optical element with laser radiation, thereby forming a plurality of substantially parallel elongated grooves in the portion of the surface, which are each aligned substantially parallel with a common longitudinal direction that extends from a center point of the plurality of elongated grooves.
07/17/14
20140199519
Method and device for the laser-based machining of sheet-like substrates
A method for the laser-based machining of a sheet-like substrate, in order to separate the substrate into multiple portions, in which the laser beam of a laser for machining the substrate is directed onto the latter, is characterized in that, with an optical arrangement positioned in the path of rays of the laser, an extended laser beam focal line, seen along the direction of the beam, is formed on the beam output side of the optical arrangement from the laser beam directed onto the latter, the substrate being positioned in relation to the laser beam focal line such that an induced absorption is produced in the material of the substrate in the interior of the substrate along an extended portion, seen in the direction of the beam, of the laser beam focal line, such that a material modification takes place in the material of the substrate along this extended portion.. .
07/17/14
20140199498
Composition for liquid crystal alignment layer, preparation method of liquid crystal alignment layer using the same, and optical film comprising the liquid crystal alignment layer
The present invention relates to a composition for liquid crystal alignment layer, a preparation method of liquid crystal alignment layer using the same, and an optical film comprising the liquid crystal alignment layer. More particularly, the composition for liquid crystal alignment layer according to the present invention includes crosslinkable functional monomers as well as a photoreactive polymer, thereby improving thermal stability and durability of the liquid crystal alignment layer that is prepared by using the composition for liquid crystal alignment layer.
07/17/14
20140199494
Highly reflective, hardened silica titania article and method of making
The present disclosure is directed to improved silica-titania glass articles intended for use in euv or other high energy reflective optic systems, and to a process for producing such improved silica-titania articles. The improved silica-titania glass articles provide a more stable surface for the coatings that are used in the making of reflective optical elements for euv applications.
07/17/14
20140199473
Apparatus and method for providing an embedded structure and for providing an electro-optical device including the same
An apparatus for providing a patterned structure includes a deposition facility for depositing an electrically conductive material on a cylindrical surface of a transfer roll, a supply facility for providing a flexible substrate with a carrier layer, a press-roll for pressing the flexible substrate with the carrier layer against the surface of the transfer roll, the press-roll being positioned in the rotation direction of the transfer roll with respect to a position where the first deposition facility deposits the substance on the transfer roll, and being arranged for embedding the deposited substance in said carrier layer, wherein the adhesion between the printed substance and the cylindrical surface of the transfer roll is less than the adhesion between the printed substance and said carrier layer, a transport facility for releasing the flexible substrate with the carrier layer embedding the substance as the patterned structure from the transfer roll.. .
07/17/14
20140199235
Nanoparticle coated with ligand introduced with long hydrophobic chain and method for preparing same
The present invention relates to a nanoparticle having a linker connected to a long alkane or alkene chain, and a method for preparing the nanoparticle. The alkyl chain of c10-30 introduced with a ligand of the present invention can be coated on a hydrophobic nanoparticle through a noncovalent bond, enabling easy introduction of various ligands to the nanoparticle, and the nanoparticle having various functional groups prepared using the method can be applied to fluorescent detection, mri, raman spectroscopy, optical detection, pet, spect, or gamma image device, and the ligand of the visualization agents can be modified to be used for new vessels detection, cancer cell detection, immunocyte detection, hepatocyte detection, cell death detection, and gene detection..
07/17/14
20140199083
Optical repeater amplifier insertion and removal technology
A repeater amplifier assembly that includes at least two chassis containing optics and electronics. The chassis are connected with a size-adjustment mechanism that can adjust a size of the repeater amplifier assembly by reversibly adjusting the positions of the chassis with respect to each other.
07/17/14
20140199081
Feedback-based configuration of a hybrid fiber-coaxial network
Circuitry of a fiber node which is configured to couple to an optical link and an electrical link may comprise an electrical-to-optical conversion circuit for transmitting on the optical link. The circuitry may be operable to receive signals via the optical link.
07/17/14
20140199080
Advanced fiber node
Circuitry of a hybrid fiber-coaxial network may comprise a first transceiver configured to connect the circuitry to an optical link, a second transceiver configured to connect the circuitry to an electrical link, a first processing path, a second processing path, and a switching circuit. In a first configuration, the switching circuit may couple the first transceiver to the second transceiver via the first processing path.
07/17/14
20140199079
Methods, systems and devices for integrating wireless technology into a fiber optic network
The present disclosure relates to a fiber optic network configuration having an optical network terminal located at a subscriber location. The fiber optic network configuration also includes a drop terminal located outside the subscriber location and a wireless transceiver located outside the subscriber location.
07/17/14
20140199077
Multi-mode fiber node
In a first configuration, circuitry of a fiber node may be configured to modulate an optical carrier by an analog upstream electrical signal received via the electrical network. In a second configuration, the circuitry may be configured to digitize the analog upstream electrical signal to generate a digitized upstream signal, and modulate the optical carrier with the digitized upstream signal.
07/17/14
20140199076
Digital non-linear compensation in optical communication systems
Systems, devices and techniques for processing an optical signal transmitted from a source over a transmission medium having a length l and performing compensation of non-linear distortions include formulating the compensation as a digital back propagation algorithm by logically dividing the length l into n steps and compensating non-linear distortions for each step as a function of an attenuation adjusting constant parameter that can be selected from a range between 0.3 and 0.7.. .
07/17/14
20140199074
Orthogonal frequency division multiple access-passive optical network comprising optical network unit and optical line terminal
An orthogonal frequency division multiple access-passive optical network including a plurality of optical network units each configured to generate orthogonal frequency division multiplexed signals, which are allocated thereto, based on a central frequency for frequency division multiplexing that is allocated in advance, and to use the generated signals in upstream transmission.. .
07/17/14
20140199073
Channel estimation in optical communication based on orthogonal frequency division multiplexing
Techniques for optical communications using optical orthogonal frequency division multiplexing (ofdm) include operating a signal transmitter to modulate laser light to produce modulated light that carries, in optical domain, ofdm subcarriers for carrying communication information, without a frequency guard band between the ofdm subcarriers, and pilot subcarriers for channel estimation at a signal receiver, each pilot subcarrier being free of communication information, and controlling optical power of the pilot subcarriers to vary with optical frequencies of the pilot subcarriers so that optical power of a pilot subcarrier at a high optical frequency is different from optical power of another pilot subcarrier at a low optical frequency.. .
07/17/14
20140199072
System and method for network synchronization and frequency dissemination
Distribution of reference frequency and timing information in a network involves determining latency between a first and second node from time delay between transmission of a reference frequency and timing signal and reception of an optical return timing signal in response. In a network with pairs of first and second optical fibers in optical fiber connections between network nodes, for transmission of optical data signals separately in mutually opposite directions between the network nodes respectively, provisions are made to transmit the reference frequency and timing signal and the resulting optical return signal via the same fiber, one in the same direction as the unidirectional data signal over that fiber and the other upstream.
07/17/14
20140199068
Optical polarization demultiplexing for a coherent-detection scheme
An optical receiver having a plurality of optical iq modulators arranged in a butterfly configuration and configured to operate as an optical polarization de-multiplexer. The optical receiver further has (i) an opto-electric circuit configured to apply optical homodyne detection to an optical input signal received by the optical receiver and (ii) a controller configured to generate one or more control signals for driving the iq modulators of the plurality based on one or more electrical feedback signals received from the opto-electric circuit..
07/17/14
20140199066
Mode multiplexing optical communication system
An optical communication system is disclosed. The optical communication system comprises an optical transmitter and a substantially circular multi-mode optical fiber.
07/17/14
20140199065
Multimode multiplexing
A system includes a transmitter to multiplex a plurality of modulated optical signals and an unmodulated optical signal and to transmit the plurality of modulated optical signals and the unmodulated optical signal along a transmission path. The system also includes a receiver to de-multiplex each of the plurality of modulated optical signals and the unmodulated optical signal and to demodulate each of the plurality of modulated optical signals with the unmodulated optical signal to coherently detect a modulating signal from each of the plurality of modulated optical signals..
07/17/14
20140199064
Optical module and method of monitoring optical module
An optical module include a first substrate including a first surface over which a light emitting element is mounted, an optical waveguide provided with a second surface of the first substrate, a mirror configured to reflect output light of the light emitting element to the optical waveguide, a second substrate, and a light receiving element configured to receive leakage light produced when the output light from the light emitting element is transmitted through the mirror disposed in the optical waveguide, the light receiving element being mounted over the second substrate different from the first substrate.. .
07/17/14
20140199063
Generation of an optical local-oscillator signal for a coherent-detection scheme
An optical receiver having an optical iq modulator configured to generate an optical local-oscillator (olo) signal for optical homodyne detection of an optical input signal applied to the optical receiver. The optical receiver further has (i) a phase detector configured to generate an electrical measure of the phase difference between the olo signal and a carrier wave of the optical input signal and (ii) a phase-lock loop configured to drive the optical iq modulator using the electrical measure.
07/17/14
20140199062
Protection for fibre optic access networks
An optical network unit, onu, and an optical line terminal, olt, as well as a respective method therein, are provided for enabling the onu to communicate with the olt. The onu and at least one olt are comprised in a passive fibre optic access network.
07/17/14
20140199061
Determination device and determination method
A determination device for a wavelength division multiplex communication system, configured to set each of different paths each of which is formed by connection of spans each of which is a zone between two adjacent transmission devices, among transmission devices forming a communication network, in the communication network, or a single span in the communication network, for the corresponding one of different wavelengths, and configured to transmit an optical signal of each of the wavelengths via the corresponding path set to the wavelength, the device includes: a determination section configured to determine whether an optical signal of at least one of the wavelengths is transmittable only to a path, among newly formed paths, for which the number of spans forming the path is equal to or less than a predetermined upper-limit number, in order to transmit one or more optical signals of one or more wavelengths among the wavelengths.. .
07/17/14
20140199050
Systems and methods for compiling and storing video with static panoramic background
A computerized system receives a source video stream presenting a panning view of a panoramic environment at a plurality of different viewing angles. The system stores angular metadata and sequential timestamp of each frame of the video stream, and extracts overlapping frames from the video stream which may be optically aligned using keypoint tracking to compile a static panoramic background image.
07/17/14
20140199040
Optical fiber
Provided is an optical fiber which is provided with heat resistance and productivity and in which a transmission loss is suppressed even in a high-temperature environment. It has, on an outer periphery of a glass fiber composed of a core part and a cladding part, a coating layer made by crosslinking an energy-curable resin composition containing a silicon compound, in which the silicon compound contained in the energy-curable resin composition of the coating layer as an outermost layer has a specified structure having a cyclic silicone site having an epoxy group and a linear silicone site, with the content of the cyclic silicone site in the compound being from 10 to 30% by mass..
07/17/14
20140199039
Multi-core fiber and method of positioning of core of multi-core fiber
A multi-core fiber for accommodating multiple single mode cores in one optical fiber is provided with multiple types of non-identical cores having different propagation constants. Each of the multiple types of non-identical cores includes a core part and a cladding part covering an outer periphery of the core part.
07/17/14
20140199038
High refractive index cladding material and electro-optical polymer optical waveguide
There is provided an optical waveguide which has appropriate orientation properties, a production process of which is simple so as to be suitable for producing an electro-optical element, and is able to reduce power consumption of the element due to excellent electro-optical properties, and further can be formed into a thin film and be layered; and a material for the optical waveguide. A cladding material of an optical waveguide, characterized by comprising a polymer compound including a triarylamine structure, and a nonlinear optical compound; and an optical waveguide produced by using the cladding material..
07/17/14
20140199037
Fiber optic ribbon cable
A fiber optic ribbon cable includes a stack of fiber optic ribbons, strength members surrounding the stack, and a jacket defining an exterior of the cable. The jacket forms a cavity through which the stack and the strength members extend.
07/17/14
20140199036
Multifiber subunit cable
Micromodule subunit cables are constructed to allow for ease of identification between optical fibers in differing groups of optical fibers. In one cable, a first group of fibers is located within a first subunit while a second group of fibers is located within a second subunit, both subunits being enclosed in a cable jacket..
07/17/14
20140199035
Telecommunications cable inlet device
The present invention relates to an inlet device for inserting a plurality of cables containing optical fibers, copper wires or coax cable into port of a telecommunications enclosure. In particular, the exemplary inlet device includes a breakout portion that can be connected to a conduit carrying at least one of the cables to enter the enclosure.
07/17/14
20140199034
Optical connector with printed circuit board and lens element bonded to each other
An optical connector includes a substrate and a lens element. The lens element includes a first bottom surface contacting with the substrate, and the lens element defines a groove in the bottom surface..
07/17/14
20140199033
Optical connector with printed circuit board and lens element bonded to each other
An optical connector includes a printed circuit board, a photoelectric element, a lens element, and an adhesive. The photoelectric element is positioned on and electrically connected to the printed circuit board.
07/17/14
20140199032
Optical sub-assembly and packaging method thereof
The present invention discloses an optical sub-assembly (osa) comprising: a base; at least one photoelectric component; and a housing. The base includes an alignment part including an upper surface and a side surface; the side surface includes a first surface and a second surface; and the first and second surfaces have different curvatures and/or constitute a discontinuous surface.
07/17/14
20140199030
Photoelectric coupling module
A photoelectric coupling module includes a substrate, a photoelectric unit, and a lens module. The photoelectric unit is positioned on the substrate, and includes at least one light emitter and at least one light receiver.
07/17/14
20140199029
Fiber optic connector holder and method
A fiber optic connector holder is sized to fit within an opening for mounting a fiber optic adapter. The fiber optic connector holder is configured to permit a fiber optic connector with a dust cap positioned about a ferrule and a polished end face of an optical fiber held by the ferrule to be inserted within and releasably held by the connector holder.
07/17/14
20140199025
Photoelectric conversion device and optical fiber coupling connector
A photoelectric conversion device includes a circuit board, light-emitting modules arranged on the circuit board in a first straight line, light-receiving modules arranged on the circuit board in a second straight line, and an optical coupling module. The optical coupling module includes a first optical surface, a second optical surface perpendicular to the first optical surface, a reflecting surface obliquely relative to the first and second optical surfaces, first converging lenses arranged on the first optical surface in a third straight line, second converging lenses arranged on the first optical surface in a fourth straight line, third converging lenses arranged on the second optical surface in a fifth straight line, and fourth converging lenses arranged on the second optical surface in a sixth straight line.
07/17/14
20140199024
Optical coupling lens
An optical coupling lens includes a body, first converging portions, second converging portions, third converging portions, and fourth converging portions. The body includes a first optical surface, a second optical surface perpendicular to the first optical surface, and a reflecting surface oblique relative to the first optical surface and the second optical surface.
07/17/14
20140199023
Photoelectric coupling module
A photoelectric coupling module includes a holding module and a lens module. The holding module includes a base defining a receiving recess and a cover having a protruding portion.
07/17/14
20140199022
Optical connector with high light-coupling efficiency
An optical connector includes a printed circuit board, a photoelectric element positioned on and electrically connected to the printed circuit board, a lens element, and an optical fiber. The lens element defines a cutout having a sidewall and a blind hole in the sidewall.
07/17/14
20140199020
System for transmitting optical signals
Optical signal emission system comprising a passive optical chip (6) and a laser diode (2) disposed at the boundary of said passive optical chip (6), said passive optical chip (6) being furnished with a reflecting structure (5) in upper surface, of a waveguide (7) in upper surface, passing through said passive optical chip (6), linked to the output of said laser diode (2) and passing through said reflecting structure (5), and of an active or non-linear thin layer portion (8) powered by said laser diode (2), covering a part of said waveguide (7), between said laser diode (2) and said reflecting structure (5).. .
07/17/14
20140199019
Optical engine
The invention is related to an optical engine comprising: including at least one optoelectronic component for emitting or receiving light; a substrate for carrying the optoelectronic component; an optical coupling device, configured for guiding light between the optoelectronic component and an optical waveguide, fixed to the substrate. At least the substrate and the coupling device comprise include a fixation element and the other one a complementary fixation element, the complementary fixation element cooperating with the fixation element to locate and fix the coupling device to substrate so as to achieve an optical coupling between the optoelectronic component and the optical coupling device..
07/17/14
20140199017
Fiber optic cable with increased directional sensitivity
A distributed acoustic sensor, comprises a housing having a longitudinal bore therethrough, an optical fiber supported in the bore; and an inertial member supported within the bore, wherein the fiber is mechanically coupled to the inertial member. The inertial member may include a weight and may provides isotropic stiffness such that it deforms more readily in a first direction normal to the bore than it does in a second direction that is normal to both the bore and the first direction.
07/17/14
20140199016
Illumination of optical analytical devices
Optical analytical devices and their methods of use are provided. The devices are useful in the analysis of highly multiplexed optical reactions in large numbers at high densities, including biochemical reactions, such as nucleic acid sequencing reactions.
07/17/14
20140199015
Slotted y-coupling waveguide for slotted waveguide modulator device
Embodiments of the present disclosure describe techniques and configurations for decreasing optical loss in a wave-guide of a modulator device. In one embodiment, an apparatus includes a substrate, and a waveguide of a modulator device formed on the substrate, the waveguide having a first portion that is configured to receive light for propagation along the waveguide, a second portion that includes two slots formed in the waveguide that merge into a single slot, the second portion being coupled with the first portion, a third portion that includes the single slot formed in the waveguide, the third portion being coupled with the second portion, a fourth portion that includes another two slots formed in the waveguide, the another two slots branching from the single slot, the fourth portion being coupled with the third portion, and a fifth portion that is configured to output the propagated light, the fifth portion being coupled with the fourth portion.
07/17/14
20140199014
Electro-optic mach-zehnder modulator and method for fabricating an electro-optic mach-zehnder modulator
An electro-optic mach-zehnder modulator includes a first optical waveguide forming a first arm of the mach-zehnder modulator, and a second optical waveguide forming a second arm thereof. The first or second optical waveguide includes capacitive segments that are spaced apart from one another, each forming an electrical capacitor.


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