Optical waveguides inventions 01/07

20070019896 - Class-ab microwave-photonic link: Embodiments of a photonic link having low residual carrier, for use in transmitting information between an electronic signal source and an electronic signal receiver are provided. One exemplary photonic link comprises a transmitter, which has two non-linear threshold electronic to optical converters that are biased to provide large even-order distortion,... Agent: Klarquist Sparkman, LLP

20070019898 - Fiber optic, strain-tuned, material alteration sensor: The present invention includes a method and system of measuring alteration, alteration type, and alteration-causing species in process fluids and equipment and for controlling the process feeds and conditions to maximize the yields and equipment lifetime by minimizing the alteration. The invention includes an optical sensor comprising an optical fiber,... Agent: Exxonmobil Research And Engineering Company

20070019897 - Method for detecting projectile impact location and velocity vector: A method of determining the path of a projectile comprises detecting multiple time of arrivals of the projectile in multiple intersecting planes and determining the path and speed of the projectile based on the multiple times of arrivals.... Agent: The Johns Hopkins Universityapplied Physics Labora Office Of Patent Counsel

20070019900 - Integrated circuit for programmable optical delay: Interference caused by the propagation of a transmit signal transmitted from a transmit antenna to a receive antenna is effectively cancelled by an improved signal cancellation system. The system includes an interference cancellation signal generator that generates a time-delayed and amplitude-reduced representation of said transmit signal. A summing stage is... Agent: Gordon & Jacobson, P.C.

20070019901 - Method tuning optical components integrated in a monolithic photonic integrated circuit (pic): A method of tuning optical components integrated on a monolithic semiconductor chip having a plurality of first optical components integrated on the chip with each fabricated to approximate an emission wavelength along a given wavelength grid and together forming a first optical component wavelength grid. A second optical component is... Agent: Infinera Corporation

20070019902 - Optical module: An optical module has at least two optical elements mounted in parallel with each other. The module also has a first electrode pad which is formed between the paralleled optical elements and grounded to a ground potential and a second electrode pad which is arranged along a line that is... Agent: Sonnenschein Nath & Rosenthal LLP

20070019899 - Sub-mount for mounting optical component, manufacturing method thereof, and light transmission and reception module: A sub-mount for mounting optical components includes a recess for mounting whose side wall is tapered. A light transmission and reception module includes the sub-mount for mounting optical component. The sub-mount is manufactured by forming a master mold of the sub-mount formed with projections and recesses including the recess for... Agent: Oliff & Berridge, PLC

20070019903 - System and method for producing optical circuits: A method of fabricating a plurality of composite optical assemblies is disclosed. Each optical assembly includes a first optical element and a second optical element. The method includes the steps of providing a first composite substrate that may be divided into a plurality of first optical elements and forming on... Agent: William E. Hilton, Esq. Gauthier & Connors, LLP

20070019904 - Method for operating a switched optical network: A method for operating a switched optical network, in particular an automatically switched optical network (=ASON), wherein the method allocates a transparent physical path out of a multitude of candidate paths to an optical data signal, is characterized in that the method takes into account the polarisation mode dispersion (=PMD)... Agent: Sughrue Mion, PLLC

20070019905 - Optical switch: An optical switch, comprising an optical resonator, a first input optical waveguide optically coupled to the optical resonator for guiding a first optical signal to the optical resonator; a second input optical waveguide optically coupled to the optical resonator for guiding a second optical signal to the optical resonator; and... Agent: Anne Vachon Dougherty

20070019906 - Methods and systems for counterbalancing a scanning beam device: Methods and system for counterbalancing accelerations and/or torques caused by actuation of an actuation element and a scanning element. A scanning beam device may comprise a counterbalance to generate forces and/or torques that are substantially equal and substantially opposite to the forces and/or torque generated by the scanning of the... Agent: Townsend And Townsend And Crew, LLP

20070019907 - Optical assembly: A manipulator system 10 comprises a manipulator 14 which includes two pairs of adjustment screws 18a, 18b and 19a, 19b, which can be used to displace a lens group assembly 11 relative to the longitudinal axis of the manipulator when the lens group assembly 11 is inserted within the manipulator... Agent: Vierra Magen Marcus & Deniro LLP

20070019908 - Fiber optic rotary joint with de-rotating prism: A multi-channel fiber optic rotary joint (FORJ) includes an external housing, a stationary collimator array, a rotating collimator array, an all-reflective de-rotating prism and a gear ratio. The external housing contains an internal cavity having a longitudinal rotation axis. The stationary collimator array is affixed to the external housing approximate... Agent: Phillips Lytle LLP Intellectual Property Group

20070019910 - Distributed optical structures in a planar waveguide coupling in-plane and out-of-plane optical signals: A slab optical waveguide confines in one transverse dimension optical signals propagating in two dimensions therein, and has a set of diffractive elements collectively arranged so as to exhibit positional variation in amplitude, optical separation, or spatial phase. The diffractive elements are collectively arranged so as to apply a transfer... Agent: David S Alavi

20070019909 - Illumination device, image display device, and projector: An image display device includes: a first face; a laser light source device emitting laser light; and a diffractive optical element on which the laser light emitted from the laser light source device is incident, generating diffracted light from the incident laser light, and illuminating the first face with the... Agent: Oliff & Berridge, PLC

20070019911 - Electrode forming method for a polymer optical waveguide: A risk of occurrence of folds, cracks, peeling, and the like in a heater electrode pattern is avoided beforehand by forming a thin-film heater electrode pattern on a polymer optical waveguide with good adhesiveness, and minimizing surface damage of the polymer optical waveguide due to an electrode forming process. According... Agent: Carlson, Gaskey & Olds, P.C.

20070019912 - Illuminateur laser: In the field of devices employing stimulated emission, a long-range laser illuminator may include a matrix of high-brightness infrared emitters. Each emitter is able to emit a first beam. The illuminator may be able to process the first beams coming from emitters disposed opposite and in the vicinity of the... Agent: Oliff & Berridge, PLC

20070019913 - Optical connector-use adaptor and optical connector use shutter component: The present invention relates to an optical connector adapter that is so configured as to prevent a laser beam from leaking outwards to do harm to a person at the time of insertion or removal of an optical connector plug for optical connection, and, specifically, an optical connector adapter having,... Agent: George A. Loud

20070019914 - Optical waveguide film, and light transmission and reception module: An optical waveguide film that can supply power at extremely low cost, and a light transmission and reception module using this film are provided. A macromolecular optical waveguide film is composed of a square-shaped waveguide core which extends in a film length direction, a conductive wires which extends in the... Agent: Oliff & Berridge, PLC

20070019915 - Water-swellable tape, adhesive-bakced for coupling when used inside a buffer tube: A water-swellable material is included for water-blocking inside a buffer tube in a cable design, and an adhesive material is provided in or on the water-swellable material. The adhesive material may function as a bonding agent between the water-swellable material and the inside wall of a buffer tube, thus providing... Agent: Sughrue Mion, PLLC

20070019916 - Stereoscopic illumination endoscope system: A stereoscopic illumination endoscope system includes an endoscope processor; an electronic scope detachably attached to the endoscope processor, the electronic scope having a light guide provided therein, wherein the light guide includes a plurality of optical fiber bundles having incident-end faces arranged adjacent to each other and emission-end faces being... Agent: Greenblum & Bernstein, P.L.C

20070019918 - Apparatus and method for suppression of stimulated brillouin scattering in an optical fiber: A technique for suppressing stimulated Brillouin scattering (SBS) in fibers intended to handle high powers. A fiber is embedded in an elongated embedding material to form an embedded fiber structure. The embedded fiber structure is formed either as a cantilevered beam or as one or more turns around a circular... Agent: Tarolli, Sundheim, Covell & Tummino L.L.P.

20070019917 - Optoelectronic fiber photodetector: The invention provides an optical fiber photodetector including a photoconductive element, such as a semiconducting element, having a fiber length. The semiconducting element is characterized as a non-composite material in at least one fiber direction. At least one pair of conducting electrodes is in contact with the semiconducting element along... Agent: Theresa A Lober T.a. Lober Patent Services

20070019919 - Photonic crystal-based optical waveguide modulator: A waveguide has upper and lower cladding regions. A core of the waveguide made of a non-linear optical polymer is positioned between the upper and lower cladding regions. A first electrode is connected to the upper cladding region and a second electrode is connected to the lower cladding region. The... Agent: Us Army Aviation And Missile Command Amsam-l-g-i (michael K. Gray)

20070019920 - Optical fiber array: An optical fiber array 10 includes: a substrate 30 with housing grooves 34 for housing optical fibers 24 formed therein; a cover plate 12 for covering the optical fibers 24 that are housed in the housing grooves 34; and an adhesive layer 16 for joining the substrate 30 with the... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070019921 - Projector: A projector includes: a light source device that emits a laser beam toward a projected surface; a scanning unit that scans the laser beam emitted from the light source device; a light diffusion member that diffuses the laser beam used for scanning by the scanning unit; and a converging unit... Agent: Oliff & Berridge, PLC

20070019922 - Support structure for mems device and methods therefor: A microelectromechanical systems device having support structures formed of sacrificial material that is selectively diffused with a dopant material or formed of a selectively oxidized metal sacrificial material. The microelectromechanical systems device includes a substrate having an electrode formed thereon. Another electrode is separated from the first electrode by a... Agent: Knobbe Martens Olson & Bear LLP

20070019923 - Support structure for mems device and methods therefor: A microelectromechanical systems device having support structures formed of sacrificial material surrounded by a protective material. The microelectromechanical systems device includes a substrate having an electrode formed thereon. Another electrode is separated from the first electrode by a cavity and forms a movable layer, which is supported by support structures... Agent: Knobbe, Martens, Olson & Bear, LLP

20070014503 - Linearized directional coupler optical modulator: Invention discloses an apparatus that provides linear optical modulation of light carrier signals by an electrical modulation signal. Linearized modulation is achieved through the selection of a spacing profile between two optical transmission waveguides. The spacing profile relates to a transfer function, the parameters of which are chosen to yield... Agent: Air Force Research Laboratory Ifoj

20070014504 - Illumination system of a microlithographic projection exposure apparatus, and depolarizer: The disclosure relates to an exposure system of a microlithographic projection exposure apparatus that includes a light source which produces substantially linearly polarised light which is propagated along a light propagation direction. The system also includes a light mixing system and an effectively depolarising system which is arranged upstream of... Agent: Fish & Richardson PC

20070014505 - Micro sensor device: The present invention provides an ultra-mini and low cost refractive index measuring device applicable to biochemical measurements of an extremely minute amount of a sample. The refractive index measuring device uses a photonic crystal without any requirement of an external spectrograph or the like. The micro sensor device according to... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070014506 - Fiber optic position transducer with magnetostrictive material and position calibration process: Fiber optic position transducer that includes a magnetic or electromagnetic element, one or more segments of magnetostrictive material, Fiber Bragg Grating Sensors, a rod of material that is impenetrable to magnetic fields, optical fiber. One or more of the sensors is fixed upon a segment of magnetostrictive material, which is... Agent: Nixon & Vanderhye, PC

20070014507 - Body and an electronic device: The body (10) comprises a first portion of transparent material and is provided with embedded optical and other elements (12, 13, 22, 16) and a pattern of conductors 15 used for interconnection and electrical contacting of the elements (12,13, 22,16). The first portion constitutes a light path from the optical... Agent: Philips Intellectual Property & Standards

20070014508 - Monlithically coupled waveguide and phototransistor: An optical integrated circuit comprises a semiconductor body, a semiconductor optical waveguide located on the body, and a bipolar phototransistor located on and optically coupled to the waveguide. In a preferred embodiment, the base region of the transistor is configured to absorb radiation propagating in the waveguide, but the emitter... Agent: Michael J. Urbano

20070014509 - Optical transmitter: An optical transmitter comprises an array of modulated sources having different operating wavelengths approximating a standardized wavelength grid and providing signal outputs of different wavelengths. Signal outputs of the modulated sources are optically coupled to inputs of the wavelength selective combiner to produce a combined signal output from the combiner.... Agent: Infinera Corporation

20070014510 - Optical network equipment and optical network: A position in which an optical signal characteristic is compensated in an optical network can be chosen. An optical network equipment measures an optical signal characteristic for each wavelength, and notifies an optical network equipment on a communication path of an optical signal characteristic index and control necessity determination threshold.... Agent: Stanley P. Fisher Reed Smith LLP

20070014511 - Optical switching using light bullets: A method and apparatus for optical switching using light bullets is presented. In one embodiment, the invention is a switch. The switch is a multi-channel, optical switch to use light bullets as optical pulses. The switch includes a waveguide of a first material. The switch also includes a plurality of... Agent: Perkins Coie LLP

20070014512 - Torsional hinged mems device: A MEMS scanning system having a MEMS micro-mirror, the device having at least torsional hinge augmented by an applied elastomer element for the damping of excess ringing, and a method of making such a system. The scanning system may be an integral part of, for example, a high-speed optical communication... Agent: Texas Instruments Incorporated

20070014514 - Optical component: An optical device featuring a first wavelength division multiplexer, an isolator and a second wavelength division multiplexer is described. The isolator supports the propagation of optical signals within a predetermined signal wavelength range in one direction. Pump signals having a wavelength within a pump wavelength range are diverted by the... Agent: Freedman & Associates

20070014513 - Optical transmitter: A wavelength-division multiplexing transmitter that is capable of enhancing its ability to compensate for a difference in light intensity between wavelengths. The wavelength-division multiplexing transmitter includes an optical branching part for branching a wavelength-division multiplexed input optical signal into a plurality of optical signals, a plurality of wavelength-selective devices for... Agent: Bingham Mccutchen LLP

20070014515 - Variable dispersion compensator: A resonator-type variable dispersion compensator is provided which is effective for practical use with a wavelength division multiplex transmission system. The dispersion compensator is constructed so as to shift a variable range to the plus or minus side according to the particular specifications of a transmission line. The dispersion compensator... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070014516 - Optical isolator with tilted optical isolator element: An optical isolator including: (a) a support body; (b) an optical fiber assembly disposed in the support body including a first single mode fiber, a first graded index fiber, a coreless fiber, a second graded index fiber, and a second single mode fiber; and (c) an optical isolator element disposed... Agent: Hogan & Hartson L.L.P.

20070014517 - Electromagnetic energy emitting device with increased spot size: Outputs of a plurality of electromagnetic energy emitting devices are merged to create merged electromagnetic energy. The merged electromagnetic energy illuminates a target with a spot size larger than a spot size obtained with a single electromagnetic energy emitting device.... Agent: Kenton R. Mullins Stout, Uxa, Buyan & Mullins, LLP

20070014518 - Optical waveguide chip and optical component comprising same: An optical waveguide chip including a core portion as an optical waveguide, a clad portion composed of a lower clad layer and an upper clad layer, and an optical fiber guide portion which is formed integrally with the clad portion for positioning a single-mode optical fiber which is to be... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070014519 - Optical module and mounting deviation compensation method for optical waveguide part: The optical module includes a first optical waveguide part including a first waveguide core, a second optical waveguide part including a second waveguide core and provided such that the second waveguide core and the first waveguide core are positioned partially close to each other so that a light propagating in... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070014520 - Methods and apparatus for alignment and assembly of optoelectronic components: Apparatus is disclosed for precision alignment and assembly of opto-electronic components relative to one another, the apparatus comprising a selected optical component having a periphery forming at least one flat surface; a holding block having at least one attachment region corresponding to the at least one flat surface of the... Agent: Mark J. Pandiscio Pandiscio & Pandiscio, P.C.

20070014521 - Optical fibre: The invention relates to an optical fibre with a connector piece that has a recess, such as a bore hole, for instance, for accommodating the optical fibre, wherein a fluid channel (18, 14) is provided that begins at the end of the recess and through which a fluid can pass.... Agent: King & Spalding LLP

20070014522 - Optical dvi cable system and method of laying cable: A composite cable 21 with a plug 22 attached thereto includes optical fibers, metal wires, a tensile strength fiber 21a, and an envelope 21b for enveloping them and the plug 22 includes a ferrule 210 of the plug for connecting the optical fiber, a cable clamp 221 and a Kevler... Agent: Mcdermott Will & Emery LLP

20070014523 - Sub-mount for mounting optical component and light transmission and reception module: A sub-mount includes a recess for holding a polymer optical waveguide film and recesses for embedding and holding a light emitting element and a light detecting element. The sub-mount further has an adhesive filling groove formed adjacent to respective recesses. When mounting the polymer optical waveguide film, the light emitting... Agent: Oliff & Berridge, PLC

20070014524 - Fingerprint-image-forming optical device: The invention relates to an optical device which is used to form a fingerprint image. The inventive device comprises an optical plate (1) having a first main face (2) on which a finger (3) is placed, a first side face (4) comprising a converging mirror, and a second side face... Agent: Miller, Matthias & Hull

20070014525 - Chromatic dispersion compensating optical fibre: The invention relates to the field of chromatic dispersion compensating optical fibers for a wavelength multiplexing transmission network. A chromatic dispersion compensating optical fiber is provided having at least six core slices (1 to 6) and having a negative chromatic dispersion and chromatic dispersion slope.... Agent: Sughrue Mion, PLLC

20070014526 - Fiber optic tester: A fiber optic tester for testing at least two fiber optic devices substantially simultaneously, comprising: a housing having a light source and at least one housing connector, the light source interior to the housing; at least one adapter having at least one first connector and at least two second connectors,... Agent: Harvey Lunenfeld

20070014527 - Devices and methods for side-coupling optical fibers to optoelectronic components: Optical devices, components and methods for mounting optical fibers and for side-coupling light to/from optical fibers using a modified silicon V-groove, or silicon V-groove array, wherein V-grooves, which are designed for precisely aligning/spacing optical fibers, are “recessed” below the surface of the silicon. Optical fibers can be recessed below the... Agent: F. Chau & Associates, LLC

20070014528 - Optical fiber clad-protective terminations: This invention pertains to fiber termination combination which includes an optical fiber having a fiber core for transmitting a highly energetic optical signal that can damage the fiber and a structured region around the core for directing the optical signal into the core, the structured region being characterized by multiple... Agent: Naval Research Laboratory Associate Counsel (patents)

20070014529 - Improved coupling of communications signals to a power line: In one embodiment, a device for coupling communications signals onto a medium-voltage power line includes a first connector, a second connector and one or more components. The first connector is adapted to couple to a low-voltage communications line. The second connector is adapted to couple to a surge arrester. The... Agent: Baker Botts L.L.P.

20070014530 - Injection mold for light guide body and apparatus for manufacturing light guide body using same: A cavity is defined inside an injection mold to provide a contour of a light guide body. Also provided in the injection mold is a through hole communicating with the cavity and allowing an optical fiber to be inserted in the through hole. The through hole includes a columnar space... Agent: Sughrue Mion, PLLC

20070009195 - Optical modulator and a method for adapting an optical modulator: The present invention relates to an optical modulator, divided into at least two active segments separated by at least one passive segment. The modulator comprises: an optical waveguide with an optical group index no having an optical signal propagating at an optical velocity vo, and a microwave transmission line with... Agent: Workman Nydegger (f/k/a Workman Nydegger & Seeley)

20070009196 - Integrated dual waveguides: An apparatus and method for splitting a received optical signal into its orthogonal polarizations and sending the two polarizations on separate dual integrated waveguides to other systems on chip for further signal processing. The present invention provides an apparatus and method for facilitating the processing of optical signals in planar... Agent: Knobbe Martens Olson & Bear LLP

20070009198 - Fiber optic bio-sensor: A bio-sensor that includes (a) an optical fiber in which the surface of the fiber comprises a hydrogel polymer that includes a functional group comprising a first member of a binding pair; and (b) an excitation light source coupled to the fiber. When the fiber contacts a solution comprising a... Agent: Fish & Richardson P.C.

20070009197 - Fiber optic sensor system: A fiber optic system (10, 210) including a plurality of optical sensors, each with an identification system (20, 120, 220, 320). The fiber optic system (10) includes a fiber (12, 112) extending a distance, a demodulator (14), and at least one coupler (16, 116), optical sensor (18, 118) and corresponding... Agent: The H.t. Than Law Group

20070009199 - Optical device: An optical device 1 has a photodetecting element 6, an optical waveguide layer 4 containing core portions 4a to 4c extending in directions crossing a layer thickness direction and a clad portion 4h covering the core portions 4a to 4c, and an optical waveguide substrate 2 having the end face... Agent: Drinker Biddle & Reath (dc)

20070009200 - Apparatus and method for detecting optical radiation: Methods and devices for low power optical detection and modulation in a slotted waveguide geometry filled with nonlinear electro-optic polymers are shown. Direct conversion of optical energy to electrical energy is enabled without external bias, via optical rectification, also enhancing electro-optic modulation.... Agent: Alessandro Steinfl,. Esq. C/o Ladas & Parry

20070009201 - Electric field programmable films and memory devices based thereon: An electric field programmable film composition is disclosed containing a binder and (a) an electron donor and an electron acceptor, wherein at least one of: (i) the concentration of the electron donor is <0.05 wt % and (ii) the concentration of the electron acceptor is <0.05 wtO/o or (b) an... Agent: S. Matthew Cairns Rohm And Haas Electronic Material LLC

20070009202 - Mems switching device protection: A micro-machined switching system for equalizing an electrical property, such as charge due to parasitic capacitance formed at an input and an output of a micro-machined switching device. The micro-machined switching device may be a MEMS relay or a MEMS switch. In addition to the micro-machined switching device, the switching... Agent: Bromberg & Sunstein LLP

20070009203 - Multi-stable micro electromechanical switches and methods of fabricating same: A micro electromechanical (MEMS) switch suitable for use in medical devices is provided, along with methods of producing and using MEMS switches. In one aspect, a micro electromechanical switch including a moveable member configured to electrically cooperate with a receiving terminal is formed on a substrate. The moveable member and... Agent: Medtronic, Inc.

20070009204 - Wavelength cross connect with per port performance characteristics: A wavelength cross connect is provided in which there is a dispersive arrangement per port for each input port and each output port. Some of the dispersive arrangements have differing characteristics so as to result in different performances at the ports. The dispersive arrangements can differ in the selection of... Agent: Ralph A. Dowell Of Dowell & Dowell P.C.

20070009205 - Tunable multi-loop opto-electronic oscillator with tunable rf or microwave filter based on optical filtering: Multi-loop opto-electronic oscillators using tunable RF or microwave filters that achieve signal filtering in RF or microwave frequencies by optical filtering and signal tuning by optical tuning.... Agent: Fish & Richardson, PC

20070009206 - Micro lens array and a method of manufacturing a replication mold for the same: The micro-lens array in which a plural of convexly-protruded micro-lens are closely arranged two-dimensionally and a plural of convex sub-lenses having a curvature-radius smaller than that of the micro-lens are protrusively formed on the surface of each micro-lens has a large view angle, since Dsav/D is in a range from... Agent: Nath & Associates

20070009207 - High repetition rate, linear, true time optical delay line: An optical delay line for use with an optical source including input/output optics optically coupled to the optical source and a curved mirror with a reflective surface that is centered about an evolute curve of the delay line to retro-reflect light traveling along a delay line beam path tangent to... Agent: Ratnerprestia

20070009208 - Coupling region for optical systems: The present invention discloses systems and methods for defining a coupling region or regions for use with optical systems. An embodiment of the coupling region represents a region in which an optical parameter meets or exceeds a selected threshold value. Embodiments of the coupling region may be used for the... Agent: North Weber & Baugh LLP

20070009210 - Led lighting system with helical fiber filament: A lighting system includes a helical light-transmitting fiber and an LED. The helical light-transmitting fiber is doped with a first wavelength converting material and defines a helical axis. The LED has a light-emitting portion for emitting light of a first color. The LED is aligned axially with the first helical... Agent: Stites & Harbison, PLLC

20070009209 - Optoelectronic device: An optoelectronic device having a hermetically sealed optoelectronic component and to a method of forming the device, which may for example be an optical transmitter or receiver device for use in a fibre optic communications network. The optoelectronic device comprises a first sub-assembly and a second sub-assembly, the first sub-assembly... Agent: Avago Technologies, Ltd. C/o Klaas, Law, O'meara & Malkin, P.C.

20070009211 - Optical alignment system: The invention relates to an optical alignment system including an optical board connector with a ferrule assembly terminating a plurality of optical fibres and a circuit board comprising a cavity for at least one embedded device, said circuit board comprising first positioning elements. The circuit board includes a plate exposing... Agent: Harrington & Smith, LLP

20070009213 - Optoelectronic assembly with heat sink: An optoelectronic assembly having a heat sink, and in particular to an optical receiver or transmitter unit for use in an optical fibre communication system in which a heat sink is provided to carry away heat generated by electrical components within the unit. The optoelectronic assembly comprises an optical transceiver... Agent: Avago Technologies, Ltd.

20070009212 - Optoelectronic module and manufacturing method of said module: An optoelectronic module includes a first sub-module and a second sub-module. The first sub-module has a surface with a cavity formed therein, and includes an integrated waveguide provided with a first optical port accessible from the cavity. The second sub-module faces the first sub-module. A metallic wall extends from the... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.

20070009214 - Distribution cable assembly having overmolded mid-span access location: A fiber optic cable assembly comprising a first fiber optic cable having pre-selected optical fibers pre-terminated and branched at a cable access point, a second cable optically connected to the pre-terminated optical fibers, and a flexible body encapsulating the cable access point. A method for manufacturing a fiber optic cable... Agent: Corning Cable Systems LLC

20070009215 - Optical aerial line and method of installation thereof: An optical aerial line has an optical cable extending parallel to an aerial electrical conductor and lashed to the electrical conductor by means of securing elements, wherein the securing elements have at least two binders helically wound onto the electrical conductor and the optical cable, and wherein the number of... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070009218 - Optical fiber and optical transmission line and optical communication system including such optical fiber: Optical fibers to form an optical transmission line suitable for WDM transmission in a wide-spreading wavelength band, having the following characteristics and parameters: a dispersion in absolute value of 0.5 ps/nm/km to 9 ps/nm/km in a wavelength band of 1430 nm to 1625 nm, a dispersion slope in absolute value... Agent: Eric Robinson

20070009217 - Optical fiber article and methods of making: A method of making an optical fiber article can include providing an optical fiber including a least a core; providing a preform; and subsequent to the foregoing providing of the optical fiber and the preform, drawing the preform so as to dispose a region about the optical fiber. An optical... Agent: Nufern

20070009216 - Photonic bandgap optical waveguidewith anti-resonant core boundary: Improved photonic band-gap optical fibre. The present invention relates in particular to improved photonic band-gap optical fibres that can confine light to a core region of the fibre by the action of both a photonic band-gap cladding and an antiresonant core boundary, at the interface between the core and cladding.... Agent: Buchanan, Ingersoll & Rooney PC

20070009219 - Two-dimensional photonic crystal having air-bridge structure and method for manufacturing such a crystal: The present invention intends to provide a two-dimensional photonic crystal having a high level of mechanical strength and functioning as a high-efficiency resonator. The two-dimensional photonic crystal according to the present invention includes a slab layer 31 under which a clad layer 32 is located. In the slab layer 31,... Agent: Oliff & Berridge, PLC

20070009220 - Distribution cable tray with a clamping collar receiver device: A distribution cable tray includes at least one receiver device for receiving a clamping collar for clamping cables or conductors extending in the base of the cable tray. The receiver device includes a pair of hooks projecting from a wall of the base and open in opposite directions, together defining... Agent: Young & Thompson

20070009221 - Composite fiber with light interference coloring function: A novel conjugate fiber with a fine and an optical interference color-generating function, suitable for application in product fields which require aesthetic qualities, the fiber being characterized by having a structure wherein an alkali-soluble polymer with a thickness of 2.0 μm or greater surrounds an alternating laminated section with a... Agent: Sughrue Mion, PLLC

20070009224 - Method for controlling sagging of a power transmission cable: A method is provided for controlling the sagging of a power transmission cable hang between two towers. The cable has a first supporting portion and a second conductive portion. The method includes a first act of mounting the cable between the two towers, such that when mounted between the towers... Agent: Christie, Parker & Hale, LLP

20070009223 - Micro-optics on optoelectronics: The invention concerns the combination of optical elements with active optoelectronic to monolithic optoelectronic systems. An optoelectronic wafer (1) comprising active optical components (2) is provided with (micro-)optical structures. The optical structures (12, 13) are allocated to the active optical components (2), i.e. they are configured to influence light impinging... Agent: Rankin, Hill, Porter & Clark LLP

20070009222 - Volumetric three-dimensional (3d) display system using transparent flexible display panels: Provided are a volumetric three-dimensional display panel formed by stacking a plurality of transparent, flexible two-dimensional display panels, such as organic light-emitting devices, to have a curved surface, and a volumetric three-dimensional display system employing the volumetric three-dimensional display panel. In the volumetric three-dimensional display panel, two-dimensional images are displayed... Agent: Sughrue Mion, PLLC

20070003179 - Qpsk light modulator: The present invention provides a light transmitter with a stable IQ amplitude ratio relative to the characteristic change of a modulating system. The QPSK light modulator of the present invention includes a laser light source for outputting light; an optical demultiplexer for inputting light and branching it in two directions;... Agent: Sughrue Mion, PLLC

20070003180 - Optical modulator: An optical modulator of the invention includes a substrate having an optical waveguide and an electric waveguide formed therein, a driving circuit that generates a modulation electric signal, a relay circuit that gives the modulation electric signal to the electric waveguide via an electric filter circuit made of a capacitor... Agent: Staas & Halsey LLP

20070003181 - Light transmission with temperature sensitive materials: One embodiment includes a connector for an optical pathway. The connector includes a body formed, at least in part, with a temperature sensitive material having one or more light transmission characteristics that change based upon the temperature of the material.... Agent: Brooks & Cameron, PLLC

20070003182 - Fiber optic impact sensing system and method of using same: A fiber optic impact sensing system includes a light source, an optical detector, and a sensing optical fiber optically coupled with the light source and the optical detector, the sensing optical fiber being operably associated with an outer surface of a structure. An apparatus includes a structure having an outer... Agent: Law Offices Of James E. Walton, PLLC

20070003184 - Delay time adjustment device and optical receiver using it: A substrate 10 comprises a pair of photo detector modules and a pair of amplifiers. On the rear (facing a drawing) of the substrate 10, a coplanar waveguide 30 is formed. a cathode terminal 16 of a PIN photodiode 11 and the input terminal 21 of the amplifier 20 are... Agent: Staas & Halsey LLP

20070003183 - Optical device of waveguide type and its production method: Input ports (103a, 103b) formed from fundamental mode waveguides are provided at one end of a multimode waveguide (104). Further, an output port (105) formed from a fundamental mode waveguide is provided at the other end of the multimode waveguide (104). The multimode waveguide (104) has a width wider than... Agent: Sughrue Mion, PLLC

20070003185 - Optical fiber sheet and its manufacturing method: An optical fiber sheet comprises optical fibers sandwiched between sheet members and fixed thereto. Distal ends of the optical fibers extend from outer peripheral edges of the sheet members with resin coatings applied to the distal ends to produce extensions. The distal ends of the extensions are inserted into fiber... Agent: Mcdermott Will & Emery LLP

20070003186 - Reconfigurable optical switch: An optical switch is provided which includes a plurality of input/output ports for receiving one or more wavelength component(s) of an optical signal. The optical switch also includes an optical arrangement that directs the wavelength component to any given one of the plurality of input/output ports. The given input/output port... Agent: Mayer & Williams PC

20070003187 - Optical switch: An optical switch includes an input optical fiber, an output optical fiber, a grating which performs spectral separation of an optical signal to a plurality of optical signals having different wavelengths, a plurality of movable mirrors, each reflecting an optical light subjected to spectral separation, and directing the optical light... Agent: Scully Scott Murphy & Presser, PC

20070003188 - Configurable dispersion compensation trimmer: The invention pertains to optical fiber transmission systems, and is particularly relevant to transmission of large volumes of data over long distances at high rates. An improved apparatus achieving precise dispersion compensation in a fiber span is disclosed. In particular, the invention teaches a configurable dispersion compensation trimmer with automatic... Agent: Woodcock Washburn LLP

20070003189 - Optical communication module using refraction plate for optical axis compensation, and manufacturing method of the same: An optical communication module is fabricated to include a refraction plate made of an inorganic material whose refractive index varies little with temperature. The refraction plate is inserted in the optical path to perform optical axis compensation in a single lens system with long focal length.... Agent: Whitham, Curtis & Christofferson & Cook, P.C.

20070003190 - Optical planar splitter: An optical planar splitter has an optical chip and two fiber arrays attached along the edges of the optical chip. The optical chip has input optical waveguides and output optical waveguides along each of two edges of the optical chip. The optical planar splitter can accommodate several different splitters in... Agent: Corning Cable Systems LLC

20070003191 - Method and apparatus for integrated optical fiber sensing with nanometer precision: An optical package suitable for alignment with a conductively coated optical fiber includes a base having an electrode which forms a capacitance with the conductively coated optical fiber. An optical alignment system computes a capacitance measure when the optical fiber is precisely aligned and further after attachment of the fiber... Agent: Ratnerprestia

20070003192 - Optical-electric connector: An optical-electric connector (100) includes an insulating housing (10), a number of terminals, an optical element (40) and a shielding shell (30). The insulating housing (10) defines a mating face (11) having a mating hole (111) thereon, a receiving room (13) communicating with the mating hole and a number of... Agent: Wei Te Chung Foxconn International, Inc.

20070003193 - Flexible substrate for routing fibers in an optical transceiver: An optical transceiver for converting and coupling an infornation-containing electrical signal with an optical fiber including a housing, an electro-optical subassembly in the housing for converting between an information-containing electrical signal and a modulated optical signal corresponding to the electrical signal from which at least two optical fibers extends; and... Agent: Casey Toohey Emcore Corporation

20070003194 - Optical module and optical transmission device: An optical module includes: a plurality of leads arranged in at least two lines, at least portions of the plurality of the leads being mounted on a circuit board; an optical semiconductor for emitting or receiving an optical signal; and a circuit portion connected to the optical semiconductor, for transmitting... Agent: Oliff & Berridge, PLC

20070003195 - Transceiver module having a dual segment lead frame connector: An optical transceiver module having a plurality of optical subassemblies and a printed circuit board is disclosed. The transceiver module includes lead frame connectors for connecting the optical subassemblies to the printed circuit board. The lead frame connectors include a stamped and bent conductive lead structure that is encased in... Agent: Workman Nydegger (f/k/a Workman Nydegger & Seeley)

20070003196 - Pumping arrangement for fiber amplifiers with reduced reflective feedback: An improved tapered fiber bundle (TFB), or assembly including a TFB, mitigates undesirable reflections from optical discontinuities at the input ends of the multimode fibers of the TFB by suppressing the coupling of signal light into modes that can produce undesired reflections. Means are provided for managing the mode field... Agent: Lucent Technologies Inc. Docket Administrator

20070003198 - Low loss optical fiber designs and methods for their manufacture: The specification describes an improved optical fiber produced by a hybrid VAD/MCVD process. The core of the fiber is produced using VAD and the inner cladding layer has a depressed index and is produced using MCVD. In preferred embodiments, the optical power envelope is essentially entirely contained in VAD produced... Agent: Law Firm Of Peter V.d. Wilde

20070003197 - Method and device for manufacturing optical preforms, as well as the optical fibres obtained therewith: The present invention relates to a method and a device for manufacturing optical performs, in which one or more layers of glass, doped or undopod, are deposited onto the internal surface of a hollow substrate tube, which deposition is effected by supplying one or more reactive gas mixtures of glass-forming... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070003199 - Low attenuation optical fiber: An optical waveguide fiber comprises: (a) a core with a refractive index profile having, a radius, an alpha and a relative refractive index characterized by delta% that varies along the radius; (b) at least one cladding surrounding the core; wherein the alpha is less than 2.5, peak refractive index delta... Agent: Corning Incorporated

20070003200 - Optical fibre having low splice loss and method for making it: A process for making a non-zero dispersion shifted optical fibre having low splice loss and low attenuation and to an optical fibre produced by this process. A reduction of the splice loss is observed with decreasing drawing tension. The optical fibre has a core region that includes three segments and... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070003201 - High efficiency light guide: The present invention includes a light guide system (200) and a method (300) for increasing the efficiency of light guide systems. The light guide system can include a light conduit (204) having non-luminescent light directing portions (210) that direct light to a display structure (208) in a non-random manner and... Agent: Motorola, Inc Intellectual Property Section

20070003202 - Optical waveform shaping device including portions for respectively absorbing and amplifying transmitted optical signal: An optical waveform shaping device includes a first waveguide portion, formed on a substrate, for transmitting the optical signal and simultaneously absorbing a portion of the optical signal, which has a signal level equal to or smaller than a predetermined value, so as to shape the optical signal; and a... Agent: Sughrue Mion, PLLC

20070003203 - Methods and apparatus for stripping optical fiber: Apparatus includes an optical fiber connector dust cap having a body, and an optical fiber stripping blade on the body.... Agent: Corning Cable Systems LLC

20070003204 - Methods and apparatus for splitter modules and splitter module housings: Apparatus includes an optical splitter module including a housing, and an input optical fiber and an output optical fiber positioned with the housing, wherein at least one of the input and output optical fiber is partially potted.... Agent: Corning Cable Systems LLC

20070003205 - Optical fiber splitter module and fiber optic array therefor: An optical fiber splitter has a higher density fiber optic array that allows for smaller packaging. The optical fibers that extend from the optical fiber splitter have one end connectorized and their spacin at the other end reduced, thereby eliminating components that were heretofore required. A method of making the... Agent: Corning Cable Systems LLC

20070003206 - Optical waveguide feedthrough assembly: An optical waveguide feedthrough assembly passes at least one optical waveguide through a bulk head, a sensor wall, or other feedthrough member. The optical waveguide feedthrough assembly comprises a cane-based optical waveguide that forms a glass plug sealingly disposed in a feedthrough housing. For some embodiments, the optical waveguide includes... Agent: Patterson & Sheridan, L.L.P.

20070003207 - Pressure transducer with optical waveguide feedthrough assembly: Optical sensors used in harsh environments require a sealed pressure tight passage of an optical waveguide into an interior of the sensor. In one embodiment, a pressure sensor assembly for determining the pressure of a fluid in a harsh environment includes a sensing element suspended within a fluid filled housing.... Agent: Patterson & Sheridan, L.L.P.

20070003210 - Distance measuring device and method for determining a distance: The invention relates to a distance measuring device and a suitable method for determining a distance which provides for continuous determination of the distance which can therefore also be made discrete and in addition is easy to handle and provides for a large variety of applications. The distance measuring device... Agent: Dean D. Small The Small Patent Law Group LLP

20070003208 - Extended lifetime excimer laser optics: The invention is directed to hermetically sealed optical lithography components or elements that are hermetically sealed by a durable coat of a hermetically sealing material selected from the group consisting of oxide and fluorinated oxide films. The durable coating of the hermetically sealing material is applied to one of more... Agent: Corning Incorporated

20070003209 - Micro sensor arrays for in situ measurements: A method is provided for fabricating microelectrodes and microelectrode arrays by etching in an acid solution. Glass wafers are diced into a desired shape to form narrow probes, which are immersed in the acid solution. An organic layer on top of the acid solution forms a meniscus at the point... Agent: Taft, Stettinius & Hollister LLP