Optical waveguides inventions 03/07

20070071385 - Optical pulse shaper having hybrid planar lightwave circuit and free-space optics with mems piston-motion micromirrors and feedback control: An optical pulse shaper without polarization dependencies includes, a planar lightwave circuit (PLC) having an arrayed waveguide and free space optics, combined with a lens and micromirror array characterized by piston-motion. The micromirror array is coupled to a controller that provides signals to the array for adjusting the positions of... Agent: Werner & Axenfeld, LLP

20070071386 - Microresonator optical switch: An optical switch includes a microresonator comprising a plurality of nanoparticles. The microresonator is configured to receive signal light having a signal wavelength and to receive a pump pulse having a pump wavelength. At least a portion of the microresonator is responsive to the pump pulse by undergoing a refractive... Agent: Knobbe Martens Olson & Bear LLP

20070071387 - Optical fiber array device: An optical fiber array device includes a substrate provided with a plurality of accommodating regions and a plurality of optical fibers each provided in the accommodating region of the substrate. One end of the accommodating region is provided with an opening communicating with the other surface of the substrate, and... Agent: Hdsl

20070071388 - Arrayed waveguide grating device: The present invention comprises an arrayed waveguide grating member, a taper multimode interference coupler and a taper optical attenuator to uniform and flatten a passband in an optical device.... Agent: Troxell Law Office PLLC Suite 1404

20070071389 - Wavelength selective optical focusing device using optical fiber and optical module using the same: The present invention provides a wavelength selective optical focusing device using the cladding-etching of an optical fiber and an optical module using the same. The wavelength selective optical focusing device includes a core for transmitting an optical signal therethrough; and a cladding layer surrounding the core and having a plurality... Agent: Ladas & Parry LLP

20070071390 - Fiber-optic alignment with detector ic: A method for connecting optical signals carried by optical fibers between an optical encoder readhead and an optical signal processing IC having a plurality of photodetector portions arranged in a photodetector configuration. The optical signal processing IC is fixed to a substrate at a first position and orientation. Then, a... Agent: Christensen, O'connor, Johnson, Kindness, PLLC

20070071391 - Optical sub-assembly packaging techniques that incorporate optical lenses: Techniques for manufacturing an optical transmission device in a manner so that the photonic device is protected from damage that can be caused by exposure to the envirorunent and physical handling are described. The invention involves placing a lens or a lens array over a photonic device, either with or... Agent: Beyer Weaver LLP

20070071392 - Preterminated fiber optic cable including downstream splitter: An optical splitter adjacent a downstream end of a fiber optic cable is operable for supplying an optical signal to at least one optical fiber from the downstream end of the fiber. A preterminated fiber optic distribution cable includes a first access location having an optical fiber termination fed from... Agent: Corning Cable Systems LLC

20070071393 - Compound optical and electrical conductors, and connectors therefor: A compound optical and electrical conductor includes a fiberoptic light transmitting element (multiple fibers or single solid rod) with at least one solar cell with LED therewith. The electrical conductor or conductors may be imbedded or otherwise secured within the optically conducting element or its surrounding jacket or sheath (20),... Agent: Merek, Blackmon & Voorhees, LLC

20070071394 - Low loss microring resonator device: A low loss micro-ring resonator device which has a closed-loop resonator waveguide having a first refractive index, the resonator waveguide defining an inner and an outer region by an outer curved edge of the waveguide. The resonator waveguide is arranged on a substrate having a second refractive index, the refractive... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070065069 - Method and apparatus for electromagnetic resonance using negative index material: An electromagnetic resonance device includes an input reflector, an output reflector, and a periodic dielectric medium (PDM) disposed between the input reflector and the output reflector. The input reflector and output reflector are configured to be reflective to radiation having a wavelength of interest. The PDM includes a periodic structure... Agent: Hewlett Packard Company

20070065068 - Method and apparatus for modifying an electromagnetic radiation beam: Devices and methods for modifying an electromagnetic beam include a tunable refractive medium, an input waveguide configured for directing an incident radiation to the tunable refractive medium, and at least one output waveguide configured for directing a focused radiation emanating from the tunable refractive medium. The tunable refractive medium comprises... Agent: Hewlett Packard Company

20070065071 - Humidity sensor and method for monitoring moisture in concrete: A humidity sensor and method is disclosed. The sensor is configured as an optical fiber based sensor and may be useful in obtaining moisture information, such as humidity and/or relative humidity (RH) in curing concrete. The sensor may be configured to isolate the sensor from external mechanical stresses, chemical reactions... Agent: Wolf Greenfield & Sacks, PC

20070065070 - Segmented fiber optic sensor and method: A fiber optic sensor for sensing the presence of an analyte has a plurality of optical fibers each of which has an analyte sensing segment and the fibers are deployed so that the analyte sensing segments are arranged in sequential offset relationship over a distance such that each segment is... Agent: Lawrence S. Cohen Suite 1220

20070065072 - Electro-optical device, manufacturing method of the same, and electronic apparatus: To provide an electro-optical device in which the fluidity of a material for forming the underlying layer of a gas barrier layer is controlled, and the volume-change of the underlying layer is suppressed, so that stress-concentration on the gas barrier layer is relaxed, and to provide a method of producing... Agent: Oliff & Berridge, PLC

20070065073 - Connector component for optical fiber, manufacturing method thereof and optical member: A connector component for optical fibers has good dimensional accuracy and parallelism. The connector component includes a base material. The base material is provided with at least two holes for inserting and fixing optical fibers therein. The base material is made of quartz glass. Inner components are arranged for forming... Agent: Ladas & Parry LLP

20070065074 - Biochemical assay detection using a fiber optic exciter: Biochemical assays of samples in receptacles, in gels, in blots, in arrays and the like, and that utilize excitation and light emission as labels for detection are enhanced by an illumination and detection system that supplies excitation light through an optical fiber that transmits excitation light from an excitation light... Agent: Townsend And Townsend And Crew, LLP

20070065076 - Duplex arrayed waveguide grating: An optical device that includes an input region, an output region, and an arrayed waveguide grating between the input region and the output region is presented. The input region includes a first input waveguide set and a second input waveguide set, and the output region includes a first output waveguide... Agent: Macpherson Kwok Chen & Heid LLP

20070065077 - Fiber optic position and shape sensing device and method relating thereto: The present invention is directed toward a fiber optic position and shape sensing device and the method of use. The device comprises an optical fiber means. The optical fiber means comprises either at least two single core optical fibers or a multicore optical fiber having at least two fiber cores.... Agent: Joy L Bryant, P.C.

20070065075 - Segmented fiber optic sensor and method: A fiber optic sensor for sensing the presence of an analyte has a plurality of optical fibers each of which has at least one analyte sensing segment and one or more low loss lead portion, where the optical fibers are disposed on the periphery of a fiber carrier. The analyte... Agent: Lawrence S. Cohen Suite 1220

20070065078 - System, method and terminal processing apparatus for optical fiber transmission: Disclosed by the present invention is a system and method for optical fiber transmission. The switching portion of the present invention adopts the single-layered integrated switching technology so as to ensure a relatively simple and easy maintenance compared with the switching in a traditional communication network where said switching is... Agent: Baker & Hostetler LLP

20070065079 - Optical module with can package: An optical module with a CAN package contains a stem and a lead. The stem has a hole penetrating the stem and an inner cylindrical surface surrounding the hole. The lead extends through the hole such that a gap exists between the lead and the inner cylindrical surface. The gap... Agent: Young & Thompson

20070065080 - Optical coherence tomography system: An optical coherence tomography system includes a catheter in which is arranged a plurality of light conducting fibers. It further includes a plurality of optical units. Light from the proximal end to the distal end and signals from the distal end to the proximal end can be transmitted simultaneously in... Agent: Siemens Corporation Intellectual Property Department

20070065081 - Compensating fiber for cummulated chromatic dispersion and chromatic dispersion slope: A multimode fiber having an index profile such that, for a propagation mode other than the fundamental mode and at a wavelength of 1550 nm, the fiber presents a positive chromatic dispersion greater than or equal to 50 ps/run/km, a positive chromatic dispersion slope and a figure of merit (FOM)... Agent: Sughrue Mion, PLLC

20070065082 - Method for preparation of core rod assembly for overcladding, and perform and fiber produced from such core rod assembly: A method for preparation of core rod assembly suitable for overcladding comprising the steps of preparing core rod having reduced diameter, fixing glass rods at each of the opposite ends of the core rod having reduced diameter characterized in that the core rod with fixed glass rods at its opposite... Agent: James Ray & Associates

20070065083 - Fiber coating processing and slitting for non-confined light leakage: An optical fiber and methods of processing and manufacturing an optical fiber comprising a core, a cladding and a coating covering a segment of the cladding proximate to an end of the optical fiber are presented where patterned apertures are provided in the coating such that a portion of light... Agent: Ratnerprestia

20070065084 - Dispersion optimized optical fiber for wideband optical transmission: A dispersion optimized optical fiber for wideband optical transmission is disclosed. The fiber comprises centre core, inner cladding, ring core, outer cladding and outer glass region, characterized by inner cladding provided onto outer periphery of the centre core, ring core provided onto outer periphery of inner cladding, outer cladding provided... Agent: James Ray & Associates

20070065085 - Assembly of a protection cover and a circuit board: The invention relates to an assembly of a protection cover and a circuit board including one or more optical conductors. The optical conductors are embedded in said circuit board, said circuit board including an optical cavity exposing at least a part of said embedded optical conductors and said protection cover... Agent: Harrington & Smith, LLP

20070065086 - Adjustable support device for optical components and methods of use: A device for supporting at least one optical component is disclosed and includes an optical component mount configured to engage and retain at least one optical component therein, a support member attached to the optical component mount, a support body having at least one longitudinal passage sized to receive the... Agent: Brian F. Swienton Newport Corporation

20070065087 - Device and a method for integrated multi-channel mems variable optical attenuators: A single or multi-channel MEMS (Micro Electro Mechanical Systems) variable optical attenuator employing a novel construction method. An optical fiber (18) or waveguide is secured on a substrate (32), for example in a groove (36) formed in the substrate (32), and is then cut to an appropriate depth (by dicing,... Agent: Edward Langer C/o Shiboleth Yisraeli Roberts Zisman & Co.

20070065089 - Optical termination apparatus and optical transmission system: A Triple-Player PON system is configured to have an optical line terminal (OLT) and an element management system (EMS), which are placed in a central office, an optical network terminal (ONT) placed in a subscriber's house, an optical splitter, a trunk line optical fiber, and a termination optical fiber. A... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070065088 - Waveguide type variable optical attenuator: A waveguide type variable optical attenuator is provided with a substrate for forming a waveguide for optical signal propagation; a waveguide element comprising 2 arm waveguides arranged on the surface of the substrate for constituting a portion of the waveguide and cladding for covering the arm waveguides and the surface... Agent: Foley And Lardner LLP Suite 500

20070065091 - Electro-optical device, electronic apparatus, protective member, and method of manufacturing protective member: An electro-optical device includes an electro-optical panel including a pair of substrates and an electro-optical layer between the pair of substrates, a protective member composed of a light-transmitting substrate mounted on at least one of the pair of substrates, and a holding member that holds the electro-optical panel. The protective... Agent: Harness, Dickey & Pierce, P.L.C

20070065090 - Electronic device having a rotating housing: An electronic device having an enclosure capable of being rotated horizontally and displaced vertically, the electronic device includes a first housing, a second housing and a sleeve module. The sleeve module is coupled to the first housing and the second housing. The first housing is shifted vertically relative to the... Agent: Birch, Stewart, Kolasch & Birch, LLP

20070058896 - Optical switch, optical modulator and variable wavelength filter: The present invention provides an optical switch, an optical modulator, and a wavelength variable filter each of which has a simple configuration, which requires only a low driving voltage, which is independent of polarization, and which can operate at high speed. An optical switch according to the present invention includes... Agent: Workman Nydegger (f/k/a Workman Nydegger & Seeley)

20070058897 - Fiber bragg grating sensor system: The present invention discloses a fiber Bragg grating sensor system. The system according to the present invention comprises a wavelength tunable laser; a coupler for splitting output light from the wavelength tunable laser into two directions; a reference wavelength generating unit for receiving one directional output light from the coupler... Agent: Fenwick & West LLP

20070058898 - Humidity sensor and method for monitoring moisture in concrete: A humidity sensor and method is disclosed. The sensor is configured as an optical fiber based sensor and may be useful in obtaining moisture information, such as humidity and/or relative humidity (RH) in curing concrete. The sensor may be configured to isolate the sensor from external mechanical stresses, chemical reactions... Agent: Wolf Greenfield & Sacks, PC

20070058899 - Mems-based alignment of optical components: A MEMS device that enables an optical subsystem (e.g., an optical switch) having an optical component optically coupled to the MEMS device via free space to achieve optical alignment between the optical component and the MEMS device without moving the optical component with respect to the stationary part of the... Agent: Mendelsohn & Associates, P.C.

20070058901 - Optical device and method for manufacturing the same: A method for manufacturing an optical device is provided. The device includes an optical waveguide path having a Bragg grating and a movable portion disposed near the Bragg grating. A displacement of the movable portion provides a change of spacing of the Bragg grating so that a light passing through... Agent: Posz Law Group, PLC

20070058902 - Optical pulse time spreading device: The present invention is an SSFBG with which there are few restrictions on the code that can be set and the overall length of which is short. This SSFBG has four unit FBGs the Bragg reflection wavelengths of which are λ1, λ2, λ3, and λ4 disposed with a part where... Agent: Rabin & Berdo, PC

20070058900 - Tuneable grating assisted directional optical coupler: A tuneable grating assisted directional optical coupler to couple a transmission signal has a first waveguide including a first core and a first cladding, the first waveguide having a first effective refractive index. The coupler also has a second waveguide including a second core and a second cladding, the second... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070058903 - Alignment of optoelectronic components using a composite adhesive: Optical components are aligned within an optoelectronic device using a composite adhesive material. An optical subassembly of the optoelectronic device includes a package housing, an optical component, and a composite adhesive that at least indirectly maintains the optical component in a predetermined position on a mounting surface within the package... Agent: Workman Nydegger (f/k/a Workman Nydegger & Seeley)

20070058904 - Method of alignment of an optical module and an optical module using thereof: A lens member 101, in which the lenses 105 are arrayed at a depth t1 from a reference plane 102 and an alignment mark is provided at a depth t2 (t1<t2) is prepared. Then alignment is performed for the lens 105 and the surface emitting laser 106 mounted on the... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070058905 - Polymer connectors for use in surface plasmon resonance sensor: A device for connecting optical components of a fiber optic probe and a jumper in a Surface Plasmon Resonator (SPR) has two high-pressure-liquid-chromatography (HPLC) polyetheretherketone (PEEK) connectors, one containing the optical fibers from a probe and the other containing optical fibers which link to a detector and a light source.... Agent: Quarles & Brady LLP

20070058906 - Transmitter optical sub-assembly receptacle with thicker split sleeve: A transmitter optical sub-assembly receptacle includes a thicker split sleeve positioned within a cylindrical shell structure and partly within a base structure such that a fiber ferrule, which is positioned within the base structure, is partly within the thicker split sleeve. The split sleeve has a thickness larger than 0.187... Agent: Avago Technologies, Ltd.

20070058907 - Opto-electric connector: The device includes a housing, an insert, a first ferrule, a second ferrule, a first ball lens, a second ball lens, a first contact pin, a second contact pin, a first contact socket, a second contact socket, an alignment pin, and an alignment socket. The housing has a first key... Agent: Karl D. Kovach Stratos International, Inc.

20070058909 - Light-receiving element, manufacturing method for the same, optical module, and optical transmitting device: To provide a light-receiving element that is capable of high-speed operation and includes an optical element with controlled setting position, shape and size, a manufacturing method for the light-receiving element, and an optical module and an optical transmitting device including the light-receiving element, a light-receiving element includes a base member... Agent: Oliff & Berridge, PLC

20070058908 - Semiconductor laser module for optical scanner: A semiconductor laser module includes a laser holder, a semiconductor laser, a sleeve, an optical fiber, an annular member, and a flexible member. The laser holder has an end portion and is formed with a through-hole opened on the end portion. The semiconductor laser is provided on the laser holder... Agent: Whitham, Curtis & Christofferson & Cook, P.C.

20070058910 - Light transmitting/receiving element, bidirectional light transmitting/receiving system having the light transmitting/receiving element, and optical sensor: A light transmitting/receiving element includes a first base member, a second base member, an exiting window, and a transmitting portion. A surface light-emitting element is formed on a top surface of the first base member. The second base member is provided on the first base member, and a light-receiving element... Agent: Morgan Lewis & Bockius LLP

20070058911 - Optical transceiver: An optical transceiver has: an optical subassembly (OSA) having a built-in optical element and a cylindrical receptacle to conduct an optical path from the optical element; a chassis having an entrance that allows insertion of an optical fiber to be connected to the optical path; an OSA holder engaged with... Agent: Mcginn Intellectual Property Law Group, PLLC

20070058912 - Method and apparatus for determining an optimal gap distance between an optical fiber and an optical devie: An optical alignment system for optimizing a gap distance between an optical fiber end and an optical device uses an atomic force present when the gap distance approaches optimal alignment according to changes in an oscillating fiber amplitude at a fiber resonance frequency. A driving force flexurally vibrates the fiber... Agent: Ratnerprestia

20070058913 - Method for the production of an optical transmission element comprising a filled chamber element and otpical transmission element: The invention relates to a method for the production of an optical transmission element comprising at least one optical waveguide and comprising a chamber element surrounding the optical waveguide and enclosing an internal space. A foamed filler composition is applied discontinuously to the optical waveguide and the optical waveguide is... Agent: Michael E Carroll Jr

20070058914 - Tunable fiber amplifier and laser: The present invention has a core and at least one cladding, where, by changing the temperature of the cladding, the material dispersion characteristic of the cladding is changed and a refractive index is varied to make fundamental-mode cutoff tunable as well; and the difference between dispersion slopes of core and... Agent: Troxell Law Office PLLC

20070058915 - Waveguide element using photonic crystal: In a waveguide element using a photonic crystal including a core formed of a photonic crystal having a refractive index periodicity in at least two directions perpendicular to a propagation direction of an electromagnetic wave and a cladding arranged in contact with the core in order to confine the electromagnetic... Agent: Hamre, Schumann, Mueller & Larson, P.C.

20070058916 - Hollow optical waveguide by omni-directional reflectors: A semiconductor hollow optical waveguide (SHOW-ODR) device. The semiconductor hollow optical waveguide device comprises a bottom substrate having a trench within, a first omni-directional reflector conformal located on the bottom substrate, and a top substrate having a second omni-directional reflector and located on the bottom substrate with the second omni-directional... Agent: Jianq Chyun Intellectual Property Office

20070058918 - Cable management panel with sliding drawer: An optical fiber cable management panel is provided with slideable drawers and structure within the drawers for cable management and/or connection to other devices. Tray inserts drop into the drawers to provide the appropriate management and connection devices. A movable take-up mechanism manages the cable entering and exiting the drawers... Agent: Attn: Karen A. Fitzsimmons Merchant & Gould P.C.

20070058917 - Distribution cabinet for optical fibers: The invention relates to a distribution cabinet (10) for optical fibers, comprising a housing (11) and a frame (18) that is pivotally mounted inside the housing (11). Cables encompassing optical fibers that are guided therein can be routed into and/or directed out of the distribution cabinet, the cables being routed... Agent: Christopher C. Dremann Corning Cable Systems

20070058919 - Optical fiber wall outlet organizer system: An assembly for storing a terminal portion of an optical fiber cable, comprising a hub for receiving an optical fiber cable and having a radius sufficient to safely store an optical fiber cable; a housing adapted to receive a terminal portion of an optical fiber cable and to receive the... Agent: Christensen, O'connor, Johnson, Kindness, PLLC

20070058920 - Brightness enhancement film having a light-guiding structure: A brightness enhancement film having a light-guiding structure includes a substrate, which has a light-guiding layer and a plurality of light-refracting microstructures. The substrate has a light incident surface and a light emission surface opposite thereto. The light-refracting microstructures are arranged on the light incident surface of the substrate, and... Agent: Nikolai & Mersereau, P.A.

20070058921 - Multi-spectral imaging: Systems and techniques for multi-spectral imaging. Light may be received at a multi-spectral optical module, which transmits a plurality of wavelength band portions of the received light, each having a pre-selected bandwidth between about two nanometers and about forty nanometers. The pre-selected bandwidths may be between about ten nanometers and... Agent: Macpherson Kwok Chen & Heid, LLP

20070058922 - Optical waveguide master and method of manufacturing the same: Provided are an optical waveguide master and a method of manufacturing the same, which has a 90° optical path change structure and an integrated optical waveguide with a 45° inclined reflection surface. The optical waveguide with the inclined reflection surface manufactured using the optical waveguide master facilitates coupling between the... Agent: Ladas & Parry LLP

20070053625 - Optical modulator: An optical modulator using a thin plate capable of improving an S/N ratio of an output light is provided. The optical modulator including a thin plate 1 having an electrooptic effect and having a thickness of 20 μm or less, an optical waveguide 4 formed on a top or bottom... Agent: Chapman And Cutler

20070053626 - Fbg sensing system: To provide a low-cost FBG sensing device having a high reliability, suitable for high-speed measurement such as vibration measurement, able to perform a remote measurement, and simple data processing, the FBG sensing device comprising one or more light sources each outputting a light having fixed output wavelength, one or more... Agent: Hogan & Hartson L.l.p.

20070053628 - Miniature optical modulator module using flexible printed circuit board: An optical modulator module is disclosed, comprising a bendable flexible printed circuit board in which a circuit pattern is formed, and to which control signals are inputted from the outside; an optical modulator element modulating an incident light according to a driving voltage and sending out the modulated light; an... Agent: Christensen, O'connor, Johnson, Kindness, Pllc

20070053627 - Structure with embedded opto-electric components: A structure with embedded opto-electric components includes a carrier; at least one circuit board having a cavity and mounted on a carrier; at least one waveguide embedded in an inner layer of the circuit board and mounted on the carrier; at least one first opto-electric component embedded in the inner... Agent: Morland C Fischer

20070053629 - Providing a subsea optical junction assembly for coupling fiber optic cables: A system for use in a subsea environment includes at least one fiber optic cable for connection to surface equipment, and a subsea optical junction assembly connected to the at least one fiber optic cable. The system further includes subsea components, and plural fiber optic cables connected to corresponding subsea... Agent: Schlumberger Reservoir Completions

20070053630 - Planar array optical switch and method: An optical switch device includes a first array (20) of reflectors (22), each associated with a separate optical fiber input (12), and a second array (30) of reflectors (32), each associated with a separate fiber output (14). The reflectors (22 and 32) are positionable to direct an optical signal from... Agent: Marsh, Fischmann & Breyfogle LLP

20070053631 - Apparatus and mehtod for monitoring optical network: An apparatus for monitoring fiber-fault in an optical networks, such as a passive optical networks, suitable for monitoring at least one fiber path in connection. The apparatus includes at least one fiber grating, having an individual central wavelength and coupling with the fiber networks; at least one reflection unit; and... Agent: Jianq Chyun Intellectual Property Office

20070053632 - Optical rotary coupling: An optical rotary joint comprises means for coupling-in or coupling-out light, and an optical derotating system. The derotating system may be a Dove prism or an Abbe-Koenig prism. In order to improve reflection at a reflecting face or faces of the derotating element, the reflecting faces are coated with an... Agent: Daffer Mcdaniel LLP

20070053633 - Reconfigurable optical add/drop multiplexer: A reconfigurable optical add/drop multiplexer (ROADM) includes a first optical dynamic gain equalization filter (DGEF) having a first input for receiving an initial wavelength division multiplexed (WDM) signal, a first output for sending a phase shifted WDM signal, and a second output connected to a demultiplexer for demultiplexing a WDM... Agent: Patterson & Sheridan, LLP/ Lucent Technologies, Inc

20070053634 - Systems and methods for supplying a distributed light source: Embodiments of the present invention are directed methods, apparatuses and system for establishing a linear radiant electromagnet energy field. In one embodiment of the invention, a system for providing a linear field of electromagnetic energy includes a laser, at least one length of single mode or multimode optical fiber including... Agent: Mintz Levin Cohn Ferris Glovsky & Popeo

20070053635 - Transmission gratings designed by computed interference between simulated optical signals and fabricated by reduction lithography: A method comprises computing an interference pattern between a simulated design input optical signal and a simulated design output optical signal, and computationally deriving an arrangement of at least one diffractive element set from the computed interference pattern. The interference pattern is computed in a transmission grating region, with the... Agent: David S Alavi

20070053636 - Optical branching unit: In an optical branching unit according to the invention, the cross section shape in an area of a front stage to branch to two output waveguides in the optical branch is a rectangle or a non-circle with different vertical-to-horizontal ratio, including an area that the length along the surface of... Agent: Frishauf, Holtz, Goodman & Chick, Pc

20070053637 - Apparatus for coupling a fiber optic cable to an optoelectronic device, a system including the apparatus, and a method of forming the same: A device for forming an optical connection between an optoelectronic device and an optical fiber and for forming an electrical connection between the optoelectronic device and a substrate, a system including the device and materials, and methods of forming the device and system are disclosed. The device for forming an... Agent: Noblitt & Gilmore, Llc.

20070053638 - Optical receptacle and optical module with optical receptacle: An optical receptacle according to the invention includes a columnar stub ferrule having an optical fiber inserted into a center line connecting both opposite end faces; a cylindrical sleeve into which a part of the stub ferrule is inserted; and a housing in which a through hole is formed, which... Agent: Hogan & Hartson L.l.p.

20070053639 - Optical module: An optical module includes an optical connector on one end of a package for storing a carrier including an optical element, and a laminated ceramic feedthrough disposed on the other end of the package. The feedthrough includes on an outer surface an electrical terminal perpendicular to the optical axis of... Agent: Leydig Voit & Mayer, Ltd

20070053640 - Photonic crystal fibers having a preferred bending plane and systems that use such fibers: In general, in a first aspect, the invention features photonic crystal fibers that include a core extending along a waveguide axis, a confinement region extending along the waveguide axis surrounding the core, and a cladding extending along the waveguide axis surrounding the confinement region, wherein the cladding has an asymmetric... Agent: Fish & Richardson Pc

20070053641 - Optical fiber and optical device using the same: There is disclosed an optical fiber wherein an absolute value of the fourth order dispersion β4 of fourth derivative β4 of propagation constant β with respect to angular frequency ω at a mean zero dispersion wavelength λ0 in an overall length is not more than 5×10−56 s4/m and wherein a... Agent: Mcdermott Will & Emery LLP

20070053642 - Low attenuation large effective area optical fiber: An optical waveguide fiber having a multi-segmented core surrounded by a cladding, the core having a central segment and an annular segment surrounding the central segment. The central segment has a positive relative refractive index profile, and the annular segment has a negative relative refractive index profile. The optical fiber... Agent: Corning Incorporated

20070053643 - Ridge technique for fabricating an optical detector and an optical waveguide: A method of fabricating on a substrate an optical detector in an optical waveguide, the method involving: forming at least one layer on a surface of the substrate, said at least one layer comprising SiGe; implanting an impurity into the at least one layer over a first area to form... Agent: (bos) Wilmerhale/applied Materials

20070053644 - Indexing optical fiber adapter: The device includes three fiber optic connector receptacles, two port monitors, and a light source. Two of the three fiber optic connector receptacles are situated adjacent to the third fiber optic connector receptacle. The third or center fiber optic connector receptacle separates the other two fiber optic connector receptacles from... Agent: Karl D. Kovach, Esq. Stratos International, Inc.

20070053645 - Undersea equipment housing with molded terminations: An undersea equipment housing includes an inner housing, molded terminations secured at each end of the inner housing, and an outer strength housing. In one embodiment, the housing is used to house optical and electrical equipment, for example, in a repeater. The undersea equipment housing may also include a molded... Agent: Grossman, Tucker, Perreault & Pfleger, Pllc

20070053646 - Cable bundling and organizing system: A cable organizing and bundling sleeve and sleeve dispensing tool for use in installing the sleeve around a plurality of cables provides a system for combining, protecting, and organizing multiple cables and hoses into one compact bundle. An elongate, radially elastic tubular sleeve of suitable size is provided for bundling... Agent: Mark D. Bowen, Esq. Sterns, Weaver, Miller, Weissler, Alhadeff & Sitte

20070053647 - Collision detection sensor: A collision detection sensor for detecting a collision of a vehicle and a collision object by converting the collision into a change in optical transmission characteristics of an optical fiber. The collision detection sensor has the optical fiber, a molding material formed on the periphery of the optical fiber, and... Agent: Mcginn Intellectual Property Law Group, Pllc

20070053648 - Optical fiber holding device and method for using same: An optical fiber end part holding device includes a base providing a V-groove in which an optical fiber end part is mounted and a pressuring member providing a pair of inclined faces forming a V-shaped form that engages the V-groove and a level lower face that presses and applies pressure... Agent: Sughrue Mion, Pllc

20070053649 - Optical fiber wire clip: An optical fiber wire clip suitable for being fixed on a base for clipping an optical fiber wire is provided. The optical fiber wire clip has a through hole. The optical fiber wire is suitable for being disposed through the through hole and clipped by a wall of the through... Agent: J.c. Patents, Inc.

20070053650 - Optical transmission device for controlling optical level of transmission signal in optical transmission system: An optical transmission device includes: an attenuator that attenuates an optical signal before being input into an optical element by a predetermined attenuation amount determined so that a level of an adjustment optical signal input into the optical element falls within a predetermined dynamic range of the optical element; and... Agent: Staas & Halsey LLP

20070053651 - Anti-reflection coating for the pass-band of photonic bandgap crystal: Light transmission is maximized through the pass band of a photonic bandgap (PBG) crystal (having alternating high- and low-index material) while preserving high reflection for stop band. An anti-reflective coating (ARC) is used to coat the PBG crystal wherein the ARC material has a refractive index of n=(nair×nhigh index material)1/2... Agent: Gauthier & Connors, LLP

20070053652 - Method and system for driving mems display elements: Systems and methods for driving MEMS display elements are disclosed. In one embodiment, a display comprises an array of MEMS display elements, and a driving circuit coupled to said array, wherein said driving circuit configured to provide at lease a row signal and a column signal to drive said array,... Agent: Knobbe Martens Olson & Bear LLP

20070047866 - Combinatorial polarization scramblers for many segment pmd emulator: A PMD emulator includes at least two polarization phase plates. The rotation matrix of the at two phase plates are varied to reduce the required number of phase-plates without reducing the number of birefringent segments used.... Agent: Gauthier & Connors, LLP

20070047867 - Downhole fiber optic acoustic sand detector: An array of fiber optic acoustic sensors is formed within an optical fiber. The array of acoustic sensors may be deployed to a well bore for detecting acoustic signals occurring within the production area of the well bore, such as acoustic signals resulting from sand invading the well bore. A... Agent: John K. Fitzgerald Fulwider Patton

20070047868 - Flow cytometry analysis across optical fiber: A flow cytometer type apparatus and method for analyzing a fluid, where the fluid is fed through a passageway within an optical fiber and the light is guided by the fiber across the passageway and intersects the fluid therein. The apparatus includes an optical fiber with a passageway traversing it,... Agent: Ogilvy Renault LLP

20070047871 - Photoelectronic device and production method of the same: A photoelectronic device capable of maintaining the degree of freedom in designing for dealing with design changes and responding to producing a variety of kinds in a small amount, and the production method are provided: wherein a light emitting element for emitting a light to be a clock signal, a... Agent: Robert J. Depke Lewis T. Steadman

20070047870 - Receiver chip for forming receiving paths of dual frequency bandwidths on monolithic semiconductor integrated circuit substrate: The present invention relates to a receiver chip formed on a monolithic semiconductor integrated circuit substrate. The receiver chip comprises a first receiver chip for receiving terrestrial digital multimedia broadcasting signals, a second receiver chip for receiving satellite digital multimedia broadcasting signals, and the monolithic semiconductor integrated circuit substrate. The... Agent: Wolf, Block, Shorr And Solis-cohen LLP

20070047869 - Semiconductor device integrated with opto-electric component and method for fabricating the same: A semiconductor device integrated with opto-electric component and method for fabricating the same provides a wafer with a plurality of optical transmitter/receiver components, and each of the optical transmitter/receiver components having an active surface and an opposite non-active surface, wherein a plurality of connecting pads and an optical active area... Agent: Mr. Joseph A. Sawyer, Jr. Sawyer Law Group LLP

20070047872 - Electro-optically tunable optical filter: The present invention provides a method and apparatus for filtering an optical signal. The method includes receiving at least one input optical signal, forming first and second optical signals using the at least one input optical signal, and modifying at least one portion of the first optical signal using a... Agent: Williams, Morgan & Amerson

20070047873 - Optical module: The inventor found that the lightwave of a semiconductor laser includes, in addition to the laser oscillation lightwave, a weak, continuous noise component having a different wavelength (here, referred to as natural emission lightwave). The inventor also found that in the wavelength division multiplexing communication optical system in which signal... Agent: Fish & Richardson P.C.

20070047874 - Optimized grating based biosensor and substrate combination: A grating-based biosensor is disclosed where the biosensor is constructed and arranged such that the grating lines of the sensor align with an optical axis of a birefringent substrate, so as to improve resonance peak uniformity. Methods of manufacturing biosensors to provide alignment of the grating lines with the optical... Agent: Mcdonnell Boehnen Hulbert & Berghoff LLP

20070047875 - Remote monitoring of optical fibers: An optical fiber monitoring arrangement includes a monitoring fiber formed from an optical fiber having a core and a cladding and suitably modified to include a zone of altered refractive index defining an optical channel extending from the core to the outer surface of the fiber. The channel is capable... Agent: Jones, Tullar & Cooper, P.C.

20070047876 - Device consisting of at least one optical element: An optical assembly comprises at least one optical element movable in at least two degrees of freedom and at least one actuator for adjusting the least one optical element; at least one sensor for sensing the position of the at least one element in at least two degrees of freedom... Agent: Charles N.j. Ruggiero Ohlandt, Greeley, Ruggiero & Perle, L.L.P.

20070047877 - Duplex style fiber optic connector interface assembly: A yoke member is provided for selective insertion into a passage of a first-half housing portion of a connector interface assembly, wherein the first-half housing portion is selectively matable with a complementary second-half housing portion. The yoke member includes a base wall; a pair of side walls; and an intermediate... Agent: Carter, Deluca, Farrell & Schmidt, LLP

20070047878 - Optical module and optical module package: Provided is an optical module used in a communication system employing a radio over fiber (ROF) technology delivering a radio frequency (RF) signal through an optical fiber. The optical module includes: an optical device; a signal line for transporting a radio frequency (RF) signal input from an external circuit to... Agent: Blakely Sokoloff Taylor & Zafman

20070047879 - Optical modulator module package: An optical modulator module package includes a substrate having a through-hole through which light passes and having a circuit formed on at least one of its inner and outer surfaces; a transparent lid held in the through-hole for transmitting incident light inputted to an optical modulator element and diffracted light... Agent: Christensen, O'connor, Johnson, Kindness, PLLC

20070047880 - Optical module: An optical transmitter-receiver module has a structure in which a light-emitting device and a light-receiving device are coupled with an optical fiber through a wavelength-selecting filter. In the above structure, part of the lightwave of the light-emitting device is reflected from the wavelength-selecting filter, is reflected again from a wall... Agent: Fish & Richardson P.C.

20070047881 - Optical transmission connector and electronic apparatus: An optical transmission connector comprises a holder unit, a shutter mechanism unit for opening and closing an optical plug housing unit for housing an optical plug, an element housing unit for housing a photoelectric effect element, and a fixing metal plate for fixing the holder unit to a mounting board.... Agent: Birch Stewart Kolasch & Birch

20070047882 - Shaped lead assembly for optoelectronic devices: An optical subassembly is used in connection with an optoelectronic package with a shaped lead configuration. The lead configuration enables the shaped leads to electrically connect with through-hole vias defined in a printed circuit board while minimizing space requirements and providing stress relief for the leads. In one embodiment, an... Agent: Workman Nydegger (f/k/a Workman Nydegger & Seeley)

20070047883 - Optical fibre splice connector: An optical fibre connector for forming a mechanical splice between first and second bare optical fibres stripped of coatings, the connector comprising a connector body that comprises at least two main clamping sections dimensioned to clamp directly onto the bare fibre of the first and second optical fibres, the main... Agent: Baker & Daniels LLP

20070047884 - Fiber optic cable with a concave surface: A drop cable includes a jacket having first and second opposing sides. The first side has a concave surface. At least one strength member is disposed in the jacket. An optical transmission component is disposed within the jacket and proximate the concave surface. The optical transmission component includes a plurality... Agent: Sughrue Mion, PLLC

20070047885 - Fiber optic cable with a concave surface: With the current explosion of information transfer, optic fibers are becoming faster all the time. Most of the recent advances in the amounts of data that these fibers can carry per time unit have come from adding more and more wavelengths (termed lambdas) to the same fiber at the same... Agent: Yaron Mayer

20070047888 - Capped low loss polymer waveguide and method of making same: Disclosed are guided optical devices comprising capped polymer ridged waveguides and methods of fabrication. An exemplary waveguide has a core with a cap (CapClad), bottom cladding and side cladding. The core is patterned together with cap to form the waveguide. The cap protects the core during processing after the core... Agent: Law Offices Of Kenneth W. Float

20070047886 - Composition, optical device article, and associated method: A base composition is provided. The base composition includes a binder, a reactive monomer, and an anti-haze additive. The binder may include an optically transmissive polymer. The reactive monomer may be both curable and volatile. The binder and the reactive monomer have differing refractive indices relative to each other. A... Agent: General Electric Company Global Research

20070047889 - Gebpsg top clad for a planar lightwave circuit: A method of depositing a top clad layer for an optical waveguide of a planar lightwave circuit. A GeBPSG top clad layer for an optical waveguide structure of a planar lightwave circuit is fabricated such that the top clad layer comprises doped silica glass, wherein the dopant includes Ge (Germanium),... Agent: Dardi & Associates, PLLC

20070047887 - Reducing light leakage and improving contrast ratio performance in ftir display devices: An optical noise reduction mechanism for reducing undesired frustration of total internal reflected light. Such optical noise may stem from defects in waveguide construction. Such optical noise may also stem from the difference in refractive index between any cladding layers disposed onto the planar waveguide and the refractive index of... Agent: Fish & Richardson P.C.

20070047890 - System and method for binding materials: A binder for securing a bundle of fibers includes a bracket having opposing side walls extending from a base to form a trough configured to receive a bundle of fibers. The binder also includes a cover configured to be positioned within the trough over the bundle of fibers to secure... Agent: Quarles & Brady LLP

20070047896 - Cabinet including optical bulkhead plate for blown fiber system: A cabinet is provided for managing the connections between a feeder cable and a distribution cable wherein the distribution cable is a blown optical fiber. The cabinet includes shelves for holding splices between the feeder cable and the distribution cable. The shelves also include microduct holders for holding each of... Agent: Merchant & Gould PC

20070047895 - Enclosure and organizer for telecommunication lines and splices: An enclosure includes a closable housing defining an internal cavity, the housing having an open position and a closed position. A pivot tray is mounted within the internal cavity of the housing and is pivotable between a secured position and an unsecured position when the housing is in the open... Agent: 3m Innovative Properties Company

20070047893 - Fiber optic splitter module with connector access: A telecommunications assembly including a housing and a plurality of modules mounted within the housing. The modules includes a rear face in which is mounted at least one fiber optic connector. Within an interior of the housing are positioned at least one fiber optic adapters. Inserting the module through a... Agent: Merchant & Gould PC

20070047894 - Outside plant enclosure with pivoting fiber trays: A telecommunications cabinet includes an enclosure, a splitter mounted within the enclosure for splitting a fiber optic signal, a plurality of adjacently positioned adapter trays mounted within the enclosure, each tray being pivotable about an axis generally parallel to a longitudinal axis of the enclosure and each adapter tray housing... Agent: Merchant & Gould PC

20070047892 - Splice chip device: A splice tray arrangement including a tray and a splice chip. The splice chip includes a plurality of arms that define channels for holding splice elements. The arms include retaining structure for retaining a splice element in both of either one of an upper region and a lower region of... Agent: Merchant & Gould PC

20070047891 - Stackable splice chip device: A splice tray arrangement including a tray and a splice chip arrangement. The splice chip arrangement including stackable splice chips defining channels for holding splice elements. Each of the splice chips including a mounting arrangement for mounting the splice chip at a mounting location on the tray, and a stacking... Agent: Merchant & Gould PC

20070047897 - Fiber optic universal bracket apparatus and methods: A bracket assembly includes a bracket including a flexible hinge, and a furcation assembly attached to the bracket.... Agent: Corning Cable Systems LLC

20070047900 - Mems devices having support structures and methods of fabricating the same: Embodiments of MEMS devices comprise a conductive movable layer spaced apart from a conductive fixed layer by a gap, and supported by rigid support structures, or rivets, overlying depressions in the conductive movable layer, or by posts underlying depressions in the conductive movable layer. In certain embodiments, both rivets and... Agent: Knobbe, Martens, Olson & Bear, LLP

20070047899 - Methods of fabricating nanoclusters and dielectric layer having the same: Methods of fabricating nanoclusters, e.g., germanium nanoclusters, and/or a dielectric layer having the same are provided. The method may include forming a first silicon oxide layer on a silicon substrate; forming a germanium (GeO) layer on the silicon oxide layer; altering the germanium oxide (GeO) layer into a germanium dioxide... Agent: Harness, Dickey & Pierce, P.L.C

20070047898 - Precision resonance frequency tuning method for photonic crystal structures: A method for red-tuning the resonance frequency of a photonic crystal structure that includes a plurality of holes, using a near-field scanning optical microscope (NSOM) system. Part of the photonic crystal structure is ablated using the NSOM system to form submicron scale debris on a top surface of the photonic... Agent: Ratnerprestia