Optical waveguides inventions 04/07

20070092175 - Sensing system: The present invention relates to a sensing system comprising a spacer at the interface of a sensor component and a secondary system.... Agent: Fenwick & West LLP

20070092176 - Remote location of active section of fiber in a multimode intrusion detection system: Intrusion detection of one section only of a multimode fiber uses a light signal launched into the fiber at a location spaced from the source through a single mode fiber to establish a narrow spectral width, under-filled non-uniform mode field power distribution in the fiber. A small portion of the... Agent: Ade & Company Inc.

20070092179 - Mems module package: The present invention relates to a MEMS package, and in particular, to the structure of a MEMS package. One aspect of the invention provides an optical modulator module package comprising a substrate, an optical modulator positioned on the substrate which modulates an optical signal and transmits the optical signal through... Agent: Christensen, O'connor, Johnson, Kindness, PLLC

20070092178 - Micro-optical device: The present invention provides a micro-optical device which may be used as an optical pigtailing assembly for waveguides. In an exemplary configuration the assembly includes a first chip which includes an optoelectronic component and an optical fiber. The optical fiber and optoelectronic component are coupled with an optical component, such... Agent: Rohm And Haas Electronic Materials LLC

20070092177 - Wavelength locking and power control systems for multi-channel photonic integrated circuits (pics): A transmissive active channel element is provided in each signal channel of a monolithic multi-channel TxPIC where each channel also includes a modulated source. The active channel element functions both as a power control element for both monitoring and regulating the output channel signal level of each signal channel and... Agent: Infinera Corporation

20070092180 - Mems switch: An MEMS switch includes a substrate 46, a conductive beam 42 formed on a surface of the substrate, and three-layer structure beams B1 and B2 formed on the surface of the substrate and disposed to be opposed to the conductive beam. The MEMS switch is characterized in that: each of... Agent: Pearne & Gordon LLP

20070092181 - Optical switch, optical modulator and wavelength variable filter: An optical switch, an optical modulator, and a wavelength variable filter each have 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 includes a 3-dB coupler placed on an output, a 3-dB coupler placed... Agent: Workman Nydegger (f/k/a Workman Nydegger & Seeley)

20070092182 - Wavelength tuning device and wavelength tuning method: A wavelength tuning device of the invention tunes the reflected wavelength of a fiber Bragg grating, and includes: an optical fiber (102) in which a fiber Bragg grating (106) is formed; a base member (104) to which the optical fiber (102 is fixed; a first temperature sensor (112) that detects... Agent: Rabin & Berdo, PC

20070092183 - Bezel for fiber optic components: A bezel for facilitating the connection between an external device positioned on one side of a communication panel and a module located on the other side of the panel where the panel has an opening for receiving the bezel. The bezel includes a housing defining an interior portion of the... Agent: Fitzpatrick Cella Harper & Scinto

20070092184 - Optical component, light emitting device, and method for manufacturing optical component: An optical component comprises: an optical fiber having the core and the clad; a light guide holding member attached to the exit end of the optical fiber; a wavelength conversion member that contains a fluorescent substance; and a reflection means provided between the exit end of the optical fiber and... Agent: Birch Stewart Kolasch & Birch

20070092185 - Optical connection structure between optical backplane and circuit substrate: Information processing equipment includes a photoelectric conversion module disposed on a circuit substrate, a first optical connector connected to the photoelectric conversion module through a plurality of first optical fibers and disposed to an edge portion of the circuit substrate, and a second optical connector disposed on an optical backplane... Agent: Sughrue Mion, PLLC

20070092186 - Buffer tubes with improved flexibility: The present invention provides a communication cable buffer tube having a flexural modulus ranging from about 180 kpsi to about 280 kpsi.... Agent: King & Spalding LLP

20070092187 - Optical fiber cable with strategically placed filler rods: An optical fiber cable including a central strength member extending longitudinally; a plurality of buffer tubes housing optical fibers and stranded around the strength member; a pair of filler elements stranded around the strength member along with the buffer tubes and arranged such that one filler element of the pair... Agent: Sughrue Mion, PLLC

20070092188 - Endoscope and method for fixing optical fibers therein: An endoscope has a shaft, a head disposed at a proximal end of said shaft and a light connection disposed at said head. Optical fibers extend from said proximal light connection to a distal end of said shaft. A sleeve in which a proximal end section of said light fibers... Agent: St. Onge Steward Johnston & Reens, LLC

20070092189 - Optical engine with tightly coupled light source: An image presentation device (100) with an associated optical light engine includes one or more semiconductor light emitting diodes or other such devices (122, 124, 126) that are combined to provide a source of light to a micro-display panel (150). Light integrators (128), preferably shaped to correspond to the shape... Agent: Price Heneveld Cooper Dewitt & Litton, LLP

20070092190 - Chromatic dispersion-compensating optical fibre in the s-band using a higher order mode: The invention relates to an chromatic dispersion-compensating optical fibre in the S-band, for use in compensating for the chromatic dispersion of either a standard SMF optical fibre or of an NZ-DSF optical fibre, carrying an optical signal in the spectral band in use, which is the S-band extending from 1460... Agent: Sughrue Mion, PLLC

20070092191 - Optical fiber having reduced hydrogen induced loss and the method for producing the same: A method for producing optical fiber having reduced hydrogen induced loss is provided wherein the optical fiber is treated with deuterium gas for a predetermined duration. The predetermined duration of deuterium treatment is determined based on three factors, that is, a) the concentration of deuterium at which fiber is to... Agent: James O. Ray, Jr. Agent For Applicant(s)

20070092192 - Integrated optoelectronic device including a semiconductor optical amplifier and a photodiode: The field of the invention is that of optoelectronic devices for receiving high bit rate digital optical signals for telecommunications applications, comprising an optical amplifier and a photoreceiver diode. Generally, the two optical amplification and optical-electrical conversion functions are integrated in a common component, resulting in lower production costs, smaller... Agent: Lowe Hauptman Gilman & Berner, LLP

20070092193 - Optical waveguide substrate and method of fabricating the same: The present invention relates to an optical waveguide substrate, realized by means of a simple configuration and processes, having a structure in which an optical component can be embedded within an optical waveguide layer composed of resin, and a structure in which the surface of the optical waveguide layer can... Agent: Drinker Biddle & Reath (dc)

20070092194 - Fabrication of optical waveguides in periodically poled lithium niobate: A method of fabricating an optical waveguide (18) comprises providing a sample of lithium niobate (10) that has one or more periodically poled gratings made by electric field poling, applying a patterned surface layer of metallic zinc (16) to a z-face of the sample so that the layer (16) has... Agent: Renner Otto Boisselle & Sklar, LLP

20070092195 - Optical fiber slack storage tray for a distribution cabinet: The present invention relates to a slack storage tray for managing slack associated with fiber terminations in a distribution cabinet. The storage tray includes a base defining a cable pathway for storing multiple loops of a cable. A hinged cover further defines a cable pathway for managing the cable.... Agent: Attention Of Steven C. Bruess Merchant & Gould P.C.

20070092196 - Cable trough system and method: A telecommunications cable management system includes trough elements including a planar top surface and sides for cable routing and management. The trough elements are made from separate parts assembled together with a mating arrangement. The mating arrangement allows assembly of the system on site, such as by snapping the parts... Agent: Merchant & Gould PC

20070092197 - Optical autodiscovery for automated logical and physical connectivity check between optical modules: Optical autodiscovery is provide between two optical modules to insure that when an optical signal is coupled between the two optical module, the optical signal from a first module does not interfere with operation of a second module. The autodiscovery is implemented by sending an optical identification signal from the... Agent: Infinera Corporation

20070092198 - Method and system for automated simulation of cable failure in a network: A method, system, and device for simulating cable failures in a network are provided. In one implementation, the method includes providing a network including a plurality of devices coupled to one another via a plurality of optical cables, in which one or more of the plurality of network devices comprises... Agent: Ibm Corp. C/o Sawyer Law Group LLP

20070086691 - Optical switch, optical modulator and wavelength variable filter: An optical switch, an optical modulator, and a wavelength variable filter each have 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 includes a 3-dB coupler placed on an output, a 3-dB coupler placed... Agent: Workman Nydegger (f/k/a Workman Nydegger & Seeley)

20070086692 - Compact polarizer and associated device for semiconductor devices: The field of the invention is that of the semiconductor optical devices used in particular for fibre-optic telecommunications. To function efficiently, a certain number of semiconductor devices require the use of light polarized in a given polarization state. When knowledge of the polarization the state is lost, the optical element... Agent: Lowe Hauptman Gilman & Berner, LLP

20070086693 - Intrusion detection system for a multimode optical fiber using a bulk optical wavelength division multiplexer for maintaining modal power distribution: Intrusion detection of one section only of a multimode fiber uses a light signal launched into the fiber at a location spaced from the source through a single mode fiber to establish a narrow spectral width, under-filled non-uniform mode field power distribution in the fiber. A small portion of the... Agent: Ade & Company Inc.

20070086694 - Monitoring individual fibers of an optical cable for intrusion: Some or all of the optical fibers of a single-mode or multi-mode cable are monitored for intrusion by transmitting through the fibers a signal which can be analyzed for changes in its characteristics which are indicative of movement as a prelude to an intrusion event. To avoid independent monitors of... Agent: Ade & Company Inc.

20070086695 - Circuit board structure of integrated optoelectronic component: A circuit board structure of an optoelectronic component is proposed. A supporting structure has a first surface and a second surface. At least one optical transceiver has an active surface and an inactive surface. The inactive surface of the optical transceiver is mounted on the first surface of the supporting... Agent: Fulbright And Jaworski LLP

20070086696 - Circuit board structure of integrated optoelectronic component: A circuit board structure of integrated optoelectronic components is composed of: a carrying board with at least one through opening; a first optoelectronic component accommodated in the through opening, which has an active surface and a non-active surface. A dielectric layer, a circuit layer and build-up layers are successively formed... Agent: Mr. Joseph A. Sawyer, Jr. Sawyer Law Group LLP

20070086697 - Optical switch: Input side optical fibers and a preliminary optical fiber arranged in parallel to one another and output side optical fibers arranged in parallel to one another are arranged in two stages, and a fixed prism 14 is arranged to be opposite to end surfaces of these. A preliminary optical fiber... Agent: Osha Liang L.L.P.

20070086698 - Optical switch: The end parts of three optical waveguide parts are supported, mutually in parallel, on a substrate, the end part of the center optical waveguide part being one input port and the end parts of other two optical waveguide parts being a first and a second output port, the emitted light... Agent: Gallagher & Lathrop, A Professional Corporation

20070086699 - Rectangular-passband multiplexer: A low-loss rectangular-passband multiplexer including a three-arm interferometer coherently connected to a waveguide grating router (WGR), resulting in a passband substantially of type N=3, without intrinsic loss. The three-arm interferometer has a free-spectral range (FSR) substantially equal to the channel spacing and is connected to an M-arm interferometer having a... Agent: Brosemer, Kolefas & Associates, LLC - (lucent)

20070086700 - Optical fiber array: An optical fiber array includes two more glass containers each with a cylindrical shape. Each container contains an optical fiber, including a convex face on outer side thereof to provide light focusing effect. Four straight bridging sections are extended symmetrically from the container and one bridging section is connected to... Agent: Hdsl

20070086703 - Integrated etched multilayer grating based wavelength demultiplexer: An integrated etched multilayer grating-based wavelength multiplexer/demultiplexer is disclosed wherein an etched multilayer grating structure is monolithically integrated within the optical waveguide stack of the multiplexer/demultiplexer to reflectively diffract an input optical beam. The multilayer grating structure is generally comprised of a series of etched diffractive elements and an etched... Agent: Freedman & Associates

20070086701 - Particle concentration method: A method for concentrating particles, including: placing the particles close to and/or on at least one waveguide of a support, and injecting light radiation into the waveguide causing grouping of particles into one or plural clusters on the waveguides.... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070086702 - Tilted combiners/decombiners and photonic integrated circuit (pic) employing the same: A monolithic optical transmitter photonic integrated circuit (TXPIC) comprises a plurality of integrated modulated sources which, when all operated at constant current, display a power output that varies as a function of array position similar to a quadratic-shaped curve and, further, forming an array of signal channels each having a... Agent: Infinera Corporation

20070086705 - Optical waveguide: The invention is directed to an optical waveguide that reduces an excess loss caused in a curved waveguide region by a deviation of the center axis of a beam propagating mode from the center axis of the optical waveguide. The optical waveguide has its part curved, and assuming that the... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070086704 - Waveguide type optical branching device: A waveguide type optical branching device having: two input ports; two output ports; optical waveguides extending from the input ports and the output ports respectively; and a coupling portion formed allowing the optical waveguides from the input ports and the output ports to gradually approach each other in a direction... Agent: Foley And Lardner LLP Suite 500

20070086706 - Fiber connector and adapter: Fiberoptic connector and adapter assembly includes a fiberoptic connector received within an adapter. The connector has a cover on the connector housing. The cover pivots between open and closed positions to expose or cover, respectively, a optical fiber contained within the connector. Longitudinal guides of the connector are received cooperating... Agent: Attention Of Karen A. Fitzsimmons Merchant & Gould P.C.

20070086707 - Optical connection structure and optical connection method: There are provided an optical connection structure and an optical connection method capable of holding an optical fiber in a close contact state with a simple structure and easily mounting and detaching the optical fiber while enabling connection having an excellent optical stability. The optical connection structure includes a solid-state... Agent: Knobbe Martens Olson & Bear LLP

20070086709 - Distributor device for use in communication and data systems technology: The invention relates to a distributor device for use in communication and data systems technology, comprising at least one distributor connection module. Said distributor connection module comprises a housing which houses input and output contacts, accessible from the exterior, for connecting lines, cables or wires. The distributor device comprises at... Agent: Merchant & Gould PC

20070086708 - Light transmission/reception module and light transmission/reception device: Providing an optical transceiver module that reduces electric crosstalk between a light emitting device and a photodetector while providing an excellent high-frequency characteristic, and an optical transceiver including the same. According to the invention, a first metal plate having a first substrate for mounting a light emitting device and a... Agent: Pearne & Gordon LLP

20070086710 - Transceiver module: The transceiver module has a Re-timer 11, a control portion 12, a reference clock generating portion 13, a power portion 14 and a CX4 interface 15. The Re-timer 11 is coupled to a transceiver portion (Tx/Rx) 21 through an XAUI (10 Gigabit Media Independent Interface) interface 22, and is coupled... Agent: Staas & Halsey LLP

20070086711 - Optical branching unit, and method of manufacturing the same: An optical branching unit according to the invention, has on a substrate, a light input part which inputs light, an optical branch which branches the light input to the light input part at a predetermined ratio, a light output part which guides the light branched by the optical branch to... Agent: Frishauf, Holtz, Goodman & Chick, PC

20070086712 - Device and method for optical resizing and backlighting: A backlight assembly for feeding illuminating light to a passive display panel is disclosed. The backlight assembly comprises a plurality of waveguides being formed and/or embedded in at least one substrate and arranged to feed illuminating light to each sub-pixel position of the passive display panel in a manner such... Agent: Martin D. Moynihan Prtsi, Inc.

20070086713 - Laser based frequency standards and their applications: Frequency standards based on mode-locked fiber lasers, fiber amplifiers and fiber-based ultra-broad bandwidth light sources, and applications of the same.... Agent: Sughrue Mion, PLLC

20070086714 - Conical-wedge-shaped lensed fiber and the method of making the same: The present invention relates to a conical wedge-shaped lensed fiber and the method of making the same. The method comprises: (a) providing an optical fiber having a central axis and an end; (b) machining the end of the optical fiber to form a flat end face; (c) machining the end... Agent: Ladas & Parry

20070086716 - Two-dimensional photonic crystal cavity and channel add/drop filter: In 2D photonic crystals, cavities having a heightened Q factor are made available, wherein combining the high Q cavities with waveguides affords channel add/drop filters having high resolution. In a cavity constituted by a point defect within a 2D photonic crystal, the 2D photonic crystal is configured by an arrangement,... Agent: Judge & MurakamiIPAssociates

20070086715 - Waveguide having low index substrate: An optical waveguide includes a porous substrate having pores of first width, a barrier layer having apertures aligned with the pore openings, and a core material layer adjacent the barrier layer. The apertures have a second width less than the first width.... Agent: Hewlett Packard Company

20070086717 - Optical waveguide device and multiple optical waveguide device: In a multiple optical waveguide device, a transparent plate is bonded on the top surface of a clad with which optical circuits and quartz glass substrates are covered, and optical reflection film is provided on the fringing area or the whole area of the transparent plate. Optical circuits or waveguide... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070086719 - Functional optical devices and methods for producing them: A functional optical device has cores which are trenches, different portions of the cores being formed from different core materials. The optical device can be formed by forming trenches 5, 7, 9 within a substrate (normally a substrate 1 covered by a cladding layer 3), covering at least part of... Agent: Conley Rose, P.C.

20070086718 - Optical element and manufacturing method thereof: An optical element is constituted by providing an optical waveguide formed with a piezoelectric material, a photonic crystal structure provided within the optical waveguide, a pair of control electrodes, which are provided so as to sandwich the upper and lower surfaces of the optical waveguide, for applying a voltage to... Agent: Armstrong, Kratz, Quintos, Hanson & Brooks, LLP

20070086720 - Fiber optic module: Various embodiments of a fiber optic module adapted for use in an electronic assembly and system are provided. Multiple embodiments of a method of interfacing an electronic assembly with an external circuit through use of the fiber optic module are also provided. In one embodiment, the fiber optic module includes... Agent: Hewlett Packard Company

20070086722 - Fiber optic patch kit and method for using the same: The present method and kit provide for effective and efficient patching of fiber optic cables. The kit comprises mechanical fiber optic splicers, a fiber optic patch, a splice housing, and a protective housing. The mechanical fiber optic splicers can be used to splice the fiber optic cable and the fiber... Agent: Brinks Hofer Gilson & Lione

20070086721 - Optical fiber splice enclosure: A fiber optic housing including a base and a cover pivotally to the base. A first guide is provided through which a fiber optic cable enters the housing, along with a second guide through which the fiber optic cable exits the housing. The cover is moveable between an open and... Agent: Sughrue Mion, PLLC

20070086723 - Optical connection structure of optical backplane to circuit substrate: An optical backplane includes an optical connector which receives juxtaposed optical signals transmitted in nonparallel to the main surface of a circuit substrate from the circuit substrate or transmits juxtaposed optical signals in nonparallel to the main surface of the circuit substrate to the circuit substrate. The optical connector disposes... Agent: Sughrue Mion, PLLC

20070081755 - Optical modulator: An optical modulator using a thin plate including a portion having 20 μm or less thickness, capable of selecting a specific polarized wave from a light wave which propagates in an optical waveguide in the modulator without reduced productivity. The modulator includes an X-cut or Y-cut thin plate of a... Agent: Chapman And Cutler

20070081756 - Optical modulator and control method therefor: In order to provide a Mach-Zehnder optical modulator capable of feed-back compensating a change due to an optical coupling loss, and the characteristic change peculiar to functional devices, and a control method therefor, a control method for a semiconductor Mach-Zehnder optical modulator using a laser device as a light source... Agent: Volentine Francos & Whitt, PLLC

20070081757 - Corner cube depolarizer: The depolarizer utilizes a commonly available BK7 glass corner cube to transform linearly polarized light into depolarized light with 100% conversion efficiency. The low-cost corner cube is a unique optical element that greatly simplifies the means for producing completely depolarized light as compared to other current methods and techniques. The... Agent: Ralph Kalibjian

20070081759 - Fiber optic probes and methods of measuring biological materials: A method for monitoring fluid media such as a dynamic biological system in a biological reactor containing developing culture fluid media. The method includes the step of directing light into the fluid media by way of one or more optical fibers to produce an illuminated fluid media and then measuring... Agent: The Dow Chemical Company

20070081758 - Optical waveguide type biochemical sensor chip and method of manufacturing the same: An optical waveguide type biochemical sensor chip includes a light beam transmittable substrate having at least a first optical element that allows light beam to be impinged to the inside and a second optical element that emits light beam from the inside, an optical waveguide layer that is formed on... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070081760 - Embedded on-die laser source and optical interconnect: An apparatus and method for embedding a laser source on a semiconductor substrate and an optical interconnect to couple the laser source to internal components of the semiconductor substrate. An on-die waveguide is integrated on the semiconductor substrate. A package waveguide is disposed on the semiconductor substrate and evanescently coupled... Agent: Blakely Sokoloff Taylor & Zafman

20070081761 - Integrated microelectromechanical wavelength selective switch and method of making same: A fully integrated microelectromechanical (MEMS) 1×K wavelength selective switch (WSS) includes an array of N solid-immersion micromirrors (SIMs) and a K+1 dispersion waveguide arrays that are integrally fabricated together. In one embodiment, the WSS is fabricated in Silicon. In another embodiment, the N actuators of the SIMs are etched in... Agent: Brosemer, Kolefas & Associates, LLC - (lucent)

20070081762 - Optical switch: An optical switch comprises a prism for changing the direction of travel of incident light to be directed toward a further optical fiber; a switching mirror placed to be insertable and removable into and from between a lens block and the prism; and an actuator for driving the mirror, in... Agent: Greenblum & Bernstein, P.L.C

20070081763 - Optical switch having a reflective component: A reflective optical switch for use in optical systems, such as fiber optic communications networks, is disclosed. The optical switch includes not only signal transmission characteristics, but also signal reflection capability. The optical switch includes a semiconductor substrate having first and second optical signal waveguides disposed thereon. The two waveguides... Agent: Workman Nydegger (f/k/a Workman Nydegger & Seeley)

20070081764 - High bitrate transport over multimode fibers: A multimode fiber system includes a transmitter for transmitting an optical signal and a receiver that receives the optical signal. At least one mode filter is coupled between the receiver and the transmitter and passes only a specific set of fiber modes from the transmitter to be received by the... Agent: Gauthier & Connors LLP

20070081765 - Package structure of a wavelength division multiplexing device: A package structure of a WDM device is disclosed. The package structure disclosed here can effectively reduce the amount of the adhesive leaking during the manufacturing process and increase the yield of the manufacturing process. The package includes: a tubular fixing unit having a low thermal expansion coefficient; a first... Agent: Lowe Hauptman Berner, LLP

20070081766 - Optical waveguide device: A voltage is applied on a first branch 3a by a first ground electrode 10 and a signal electrode 11, and a voltage is applied on a second branch 3b by a second ground electrode 12A and the signal electrode 11. A first gap 13 is formed between the first... Agent: Burr & Brown

20070081767 - Method for fabricating optical devices by assembling multiple wafers containing planar optical waveguides: A method for fabricating an optical device wherein the device comprises a first substrate wafer with at least one buried optical waveguide on an approximately flat planar surface of the substrate and a second substrate wafer with at least a second buried optical waveguide. The waveguides so formed may be... Agent: Law Office Of Peter V.d. Wilde

20070081768 - Downhole fiber optic wet connect and gravel pack completion: A downhole fiber optic wet connect and gravel pack completion. In a described embodiment, a system for making fiber optic connections in a subterranean well includes a first fiber optic connector positioned in the well and a second fiber optic connector operatively connected to the first fiber optic connector after... Agent: SmithIPServices, P.C.

20070081769 - Optical guide holding member and optical module: The present invention provides an optical guide holding member having holding holes in which optical guides are fitted and held. The optical guide holding member has electric leads buried in a mounting surface on which the openings of the holding holes are opened. The electric leads are partly exposed on... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070081770 - Optical assembly: Provided are optical assemblies which allow for optical and mechanical connection between an optical bench and an optical fiber connector. The invention finds particular applicability in the optoelectronics industry in forming micro-optical components.... Agent: Rohm And Haas Electronic Materials LLC

20070081771 - Electro-optical subassemblies and method for assembly thereof: An electro-optical subassembly generally includes a base supporting at least one lead and a lens unit having a lens. The lead supports an electro-optical component. The lens unit is through transmission laser welded to the base such that the lens is aligned with the electro-optical component.... Agent: Avago Technologies, Ltd C/o Klaas, Law, O'meara & Malkin, P.C.

20070081772 - Automatic current selection for single fiber splicing: In fusion splicing ends of two optical fibers an electric discharge between two electrodes is used for heating the ends. In a simple method that can be implemented in automatic fusion splicers, an optimal fusion current that is to pass between the electrodes to give an optimal heating for ambient... Agent: Potomac Patent Group, PLLC

20070081773 - Telecommunication optical cable for gas pipeline applications having built-in leakage detecting device: A telecommunication fiber optic cable for gas pipeline application has a built-in leakage detecting device. The cable has an optical core including a number of telecommunication optical fibers, an outer jacket covering the optical core, and one or more gas leakage detector optical fibers. One or more gas leakage detector... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070081774 - Optical fiber structure and method of manufacturing same: The present invention provides an optical fiber structure that allows for reliable and easy branching of optical fibers, as well as a method of manufacturing such optical fiber structure. The optical fiber structure proposed by the present invention is characterized by a structure wherein multiple optical fiber units, each comprising... Agent: Knobbe Martens Olson & Bear LLP

20070081775 - Fiber scope: An image fiber includes an image fiber body having a twisted portion which is formed by heating, softening, and twisting a portion of the image fiber body. The rate of twist in the twisted portion is made to be constant. Moreover, the rate of twist may preferably be set in... Agent: Sughrue Mion, PLLC

20070081776 - Large-area fiber plate, radiation image pickup apparatus utilizing the same and producing method therefor: The invention provides a fiber plate formed by arranging in mutually adjacent manner plural individual fiber plates of a same thickness so as to provide a light guiding plane larger in area than the light guiding plane of the individual one fiber plate, and a radiation image pickup apparatus utilizing... Agent: Fitzpatrick Cella Harper & Scinto

20070081777 - Nonlinear fiber, wavelength conversion method and wavelength conversion device: A nonlinear fiber having a third-order nonlinear coefficient of at least 30 W−1km−1, and its cladding containing Er or Tm at a portion within 3 μm from the interface with its core. A wavelength conversion method of making a signal light having a wavelength λS and an intensity IS and... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070081778 - Configuring optical launch powers in optical fiber transmission lines: A method includes transmitting optical signals through a heterogeneous sequence of spans of an all-optical transmission line. Each span has an optical transmission fiber connected to an optical amplifier. Each amplifier launches the signals into a sequential remainder of the line. The transmitting includes launching the optical signals into the... Agent: Lucent Technologies Inc. Docket Administrator - Room 3j-219

20070081779 - Optical fiber with reduced stimulation brillouin scattering: An optical fiber having a given refractive index profile comprises a core region and a cladding region. The core region includes at least two co-dopants and the concentration of at least one of said core dopant varies continuously over the entire core region. The optical fiber has, at a wavelength... Agent: Sughrue Mion, PLLC

20070081780 - Lamp system: The invention relates to a lamp system (21) with a first light source (23) which radiates light of a first chromaticity coordinate and with a second light source which radiates light of a second chromaticity coordinate, and with an optical component (22) for additively mixing the light of the two... Agent: Philips Intellectual Property & Standards

20070081781 - Transverse-transfer of optical power between assembled waveguides: A substantially flat upper cladding surface over a waveguide core facilitates transverse-coupling between assembled waveguides, and/or provides mechanical alignment and/or support. An embedding medium may be employed for securing optical assemblies and protecting optical surfaces thereof. Structural elements fabricated with a low-profile core may be employed for providing mechanical alignment... Agent: Christie, Parker & Hale, LLP

20070081782 - Radiation-sensitive resin composition for optical waveguides, optical waveguide, and method for manufacturing optical waveguide: (in the formula, R1 is a hydrogen atom or a methyl group, R3 is a (meth)acryloyl group, X is a bivalent organic group); (B) an urethane (meth)acrylate compound which is a reaction product of a polyester polyol compound, a polyisocyanate compound, and a (meth) acrylate having a hydroxyl group; (C)... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070081784 - Light receiving apparatus: A light receiving apparatus connects light to a light receiving device through a tube-type waveguide for making uniform the light intensity distribution of light. The light receiving apparatus is capable of stably receiving optical data even if partiality occurs in the NFP of the light emitted from an end of... Agent: Rohm Co., Ltd. C/o Keating & Bennett, LLP

20070081783 - Waveguide device for planar display device and related planar display device: A waveguide device used for a planar display device having an image source for emitting modulated light beams and a display panel for displaying an image. The waveguide device includes a slab waveguide having a light entrance plane and a light exit plane, a lens array comprising a plurality of... Agent: North America Intellectual Property Corporation

20070081786 - Arbitrary surface optical element and method of making the same: An arbitrary surface optical element, such as a mirror for use in a rear projection television, includes a non-optical portion and an optical portion. The non-optical portion circumscribes the optical portion and has a thickness greater than the optical portion. Accordingly, the two portions cool at approximately the same rate,... Agent: Squire, Sanders & Dempsey L.l.p

20070081785 - Method, apparatus and system for global shared memory using serial optical memory: In some embodiments, a method, apparatus and system for global shared memory using serial optical memory are presented. In this regard, a memory device is introduced to circulate a signal among a plurality of optical emitters and receivers. Other embodiments are also disclosed and claimed.... Agent: Blakely Sokoloff Taylor & Zafman

20070076999 - Optical waveguide modulator with output light monitor: An optical waveguide monitor equipped with an output light monitor having a decreased restriction in the dimensions and form thereof, a high reliability and a low production cost includes an optical waveguide element (having a plurality of surface waveguide portions, a connecting portion for converging and connecting the surface waveguide... Agent: Christie, Parker & Hale, LLP

20070077000 - Optical fiber sensor and measuring apparatus using same: An optical fiber sensor enabling simpler detection of a state of an external environment and a measuring apparatus using the same are provided. At a front end of an optical fiber portion 20a for transmitting the light a hetero core having a different diameter from that of a core of... Agent: Birch Stewart Kolasch & Birch

20070077001 - Electro-optical module, electro-optical apparatus, and electronic apparatus: An electro-optical module is provided. The electro-optical module includes an electro-optical panel provided with a light-emitting unit where a plurality of light-emitting devices are arrayed in a line shape, two wiring boards which interpose the electro-optical panel and are disposed in a direct parallel to a longitudinal direction of the... Agent: Oliff & Berridge, PLC

20070077002 - Apparatus for directing an optical signal from an input fiber to an output fiber within a high index host: The invention includes an apparatus for receiving an optical signal from an optical input means and directing the optical signal to one of a plurality of optical outputs means. The apparatus includes a solid signal propagating material having a refractive index greater than the refractive index of air. The solid... Agent: Patterson & Sheridan, LLP/ Lucent Technologies, Inc

20070077003 - Wavelength selective optical switch, and optical device provided with spectrscopic function: A wavelength selective optical switch of the present invention separates a WDM light emitted from an input port of an input and output optical system, according to wavelengths, by a diffraction grating, and thereafter, condenses the lights of respective wavelengths on MEMS mirrors respectively corresponding to the respective wavelengths, in... Agent: Staas & Halsey LLP

20070077004 - Large mode area fibers using higher order modes: The specification describes an optical fiber device wherein a LOM is converted to an HOM prior to entering the gain section. The gain section is a few mode fiber that supports the HOM. The output from the gain section, i.e. the HOM, may be utilized as is, or converted back... Agent: Law Firm Of Peter V.d. Wilde

20070077005 - Optical waveguide having curved reflecting mirror surface and method of manufacturing the same: The present invention relates to an optical waveguide having a curved reflecting mirror surface for optical coupling and a method of manufacturing it. The method of manufacturing an optical waveguide includes the steps of coating a transparent glass substrate with a photosensitive material; radiating ultraviolet rays onto the photosensitive material... Agent: Harness, Dickey & Pierce, P.L.C

20070077007 - Method for fabricating optical devices by assembling multiple wafers containing planar optical wavequides: An optical device comprises a first substrate wafer with at least one buried optical waveguide on an approximately flat planar surface of the substrate and a second substrate wafer with at least a second buried optical waveguide. The waveguides so formed may be straight or curved along the surface of... Agent: Peter V.d. Wilde

20070077006 - Optical add/drop multiplexers: A spectrally selective optical coupler is disclosed, comprising a first and a second waveguide; an external resonator defined by at least a first and a second mirror; and a respective deflecting portion in each of said waveguides for coupling light between the waveguide and the external resonator. The waveguides are... Agent: Birch Stewart Kolasch & Birch

20070077009 - Method and system for optically coupling components: A method is described for providing a predetermined optical path in an optical module, the predetermined optical path being defined by predetermined optical characteristics for the optical module. a modifiable optical element is provided at a predetermined position in the optical module, thus generating an initial optical path of the... Agent: Mcdonnell Boehnen Hulbert & Berghoff LLP

20070077008 - Optical interconnection module and method of manufacturing the same: The present invention relates generally to an optical interconnection module for vertical optical coupling and a method of manufacturing the optical interconnection module. The optical interconnection module includes an optical waveguide. The optical waveguide includes substrate on which electrode pads and a predetermined circuit pattern are formed; a light source... Agent: Harness, Dickey & Pierce, P.L.C

20070077010 - Fiber optic drop cables and preconnectorized assemblies having toning portions: A preconnectorized outdoor cable streamlines the deployment of optical waveguides into the last mile of an optical network. The preconnectorized outdoor cable includes a cable and at least one plug connector. The plug connector is attached to a first end of the cable, thereby connectorizing at least one optical waveguide.... Agent: Corning Cable Systems LLC

20070077012 - Fiducial markings for quality verification of high density circuit board connectors: A printed circuit board having a pattern of fiducial marks on opposed edges of the board for assuring accuracy and alignment of an electrical connector printed on the board. The fiducial marks are printed as staggered indicia extending orthogoral to the printed contact row array of the electrical connector so... Agent: Emcore Corporation

20070077011 - Simple fiducial marking for quality verification of high density circuit board connectors: A printed circuit board with a printed pattern of fiducial marks on a first side of the printed circuit board including a first indicia including a right triangle with its base parallel to a first edge of the board and an alignment mark adjacent thereto, and a second indicia including... Agent: Emcore Corporation

20070077013 - Optical module: An optical module has a package, a first fixing portion, a second fixing portion, and two attachment portions. The package has an optical fiber passing through a sidewall thereof. The first fixing portion fixes the optical fiber to the sidewall of the package directly or indirectly through an intermediate member.... Agent: Armstrong, Kratz, Quintos, Hanson & Brooks, LLP

20070077014 - Low loss spectrally periodic all-fiber filters: The present invention provides a method and resulting device for producing a low-loss spectrally periodic all fiber filter by providing a multi-mode fiber capable of propagating an LP01 mode and an LP02 mode at wavelengths of interest and providing a single-mode fiber capable of propagating a fundamental mode at the... Agent: Corning Incorporated

20070077015 - Optical device having photonic crystal structure: A photonic crystal structural body has a structure that a second mediums whose refractive index changes with an external field is periodically distributed in a first medium whose refractive index changes with the external field. An external field generator applies the external field to the photonic crystal structural body. It... Agent: Armstrong, Kratz, Quintos, Hanson & Brooks, LLP

20070077016 - Low bend loss optical fiber: An optical fiber having both low macrobend loss and low microbend loss. The fiber has a MAC number less than 7.0 and a zero dispersion wavelength less than 1450 nm. The optical fiber advantageously comprises a primary coating and a secondary coating. The primary coating has a Young's modulus of... Agent: Corning Incorporated

20070077017 - Photonic integrated devices having reduced absorption loss: An asymmetric twin waveguide (ATG) structure with quantum-well intermixing in the taper region of the active waveguide is disclosed. The structure comprises a first waveguide, a second waveguide, and a taper formed in the second waveguide. The taper has an intermixed area formed therein comprising a plurality of quantum wells... Agent: Woodcock Washburn LLP

20070077018 - Vlsi-photonic heterogeneous integration by wafer bonding: A new method to form a VLSI-photonic heterogeneous system device is achieved. The method comprises providing an optical substrate comprising at least one passive optical component formed therein. An electronic substrate is provided comprising at least one active electronic component formed therein. A plurality of metal pillars are formed through... Agent: Saile Ackerman LLC

20070077019 - Fiber demarcation box with cable management: A telecommunications optical fiber distribution system is disclosed. The system comprises a support structure with an upper end, a lower end, a front side, a rear side, and a longitudinal axis. An input cable carrying an input signal and an output cable carrying an output signal is received into the... Agent: Merchant & Gould PC