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Optical waveguides June archive of inventions by patent app class 06/07

Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application.
06/28/2007 > patent applications in patent subcategories.

20070147727 - Optical waveguide bio-sensing device: An optical waveguide bio-sensing device, comprising: a monochromatic light source, a beam splitter, a grating chip with a sub-wavelength grating structure and a sensor. Moreover, in order to enhance the sensitivity of the system using the optical waveguide bio-sensing device, a light concentrating element or a quarter waveplate (¼λ) is... Agent: Bruce H. Troxell

20070147735 - Optical multiplexer and manufacturing method thereof, optical information recording apparatus and method, and optical information reproducing apparatus and method: There is provided an optical multiplexer including: a substrate having a plurality of beam transmitting portions; and diffraction gratings diffracting beams irradiated to the beam transmitting portions at different angles, each diffraction grating being formed in the corresponding beam transmitting portion. Accordingly, it is possible to reduce an alignment error... Agent: Ditthavong Mori & Steiner, P.C.

20070147742 - Optical fiber cable: An optical fiber cable, comprising a cable main unit with an optical fiber covered by a sheath and terminal units mounted on end portions of the cable main unit, wherein each of the terminal units has a transparent cover member with a refractive index approximately equal to the optical fiber,... Agent: Nields & Lemack

20070147722 - Optical waveguide devices and travelling wave type optical modulators: A device 4 has a substrate 5, an optical waveguide 2 and modulation electrodes 1A, 1B, 1C. The substrate 5 is made of an electro-optic material and has a thickness of ≦30 μm at least in a region where the modulation electrode applies an electric field. The device has a... Agent: Burr & Brown

20070147723 - Acoustooptic filter: An acoustooptic filter 1 having an optical waveguide 3 disposed on an upper surface 2a of an acoustooptic substrate 2, an interdigital electrode 4 which excites a surface wave disposed on the acoustooptic substrate 2, a surface wave waveguide for the surface wave excited by the interdigital electrode 4 extends... Agent: Dickstein Shapiro LLP

20070147724 - Optical functional device and fabrication process of the same: Arranged for at least one of a pair of branch optical waveguides in a Mach-Zehnder type interference optical system is a ring resonance type phase shifter for modulating a light wave signal propagating through the branch optical waveguide. The ring resonance type phase shifter includes a ring-type optical waveguide arranged... Agent: Young & Thompson

20070147725 - Coupled-waveguide electro-optic switch based on polarisation conversion: An opto-electronic device comprising a directional coupler provided with a first waveguide to receive incoming electromagnetic radiation, said first guide comprising a guiding region of electro-optic material. Moreover, the directional coupler comprises a second waveguide into which can be coupled at least a first portion of said incoming radiation and... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070147726 - Transmitting light with photon energy information: In detection and sensing, light is transmitted through layers or structures that vary laterally, such as with a constant gradient or a step-like gradient. After transmission, a position of a transmitted portion of the light or of output photons can be used to determine wavelength change or to obtain other... Agent: Leading Edge Law Group, PLC/xerox-parc

20070147729 - Opto-electronic board: An opto-electronic board including a printed wiring board with an optical waveguide, a metallic area, and a hole, wherein an abutting face of the optical waveguide and an abutting face of the metallic area form a part of the side face of the hole. The opto-electronic board further comprises an... Agent: Law Office Of Ido Tuchman (yor)

20070147728 - Providing light to channels or portions: A fluidity structure includes a channel, a portion of which can contain fluid. Light can propagate in the portion, such as in response to illumination. The refractive index of material at the portion's boundary can be higher than that of the fluid, and more than approximately 10% of intensity of... Agent: Leading Edge Law Group, PLC/xerox-parc

20070147730 - Optical switch and method for treatment of tissue: An optical switch incorporated in a photomedical system, and a method of treating tissue using the optical switch for creating pulsed light. A light source generates an optical beam. An aperture element includes a light-transmitting portion and a light-blocking portion. An optical element such as a mirror, prism or lens... Agent: Dla Piper Rudnick Gray Cary Us, LLP

20070147731 - Analogue navigation device: An analogue navigation device comprising a transmitter for generating a light signal, a receiver for receiving the light signal, a light guide having a surface for internally reflecting the light signal from the transmitter to the receiver, and an actuator having a surface, said actuator surface having at least a... Agent: Squire, Sanders & Dempsey L.L.P.

20070147732 - Sensor using ultra thin waveguides and optical fibers: Methods and apparatus are provided for detecting one or more contaminant particles in an environment with an optical sensor. The sensor includes at least one optical waveguide in a resonant arrangement and a light source positioned in an environment in which the presence of a contaminant particle is sought to... Agent: Honeywell International Inc.

20070147733 - Fiber optic collimator system, fiber optic collimator array, and manufacturing method of the fiber optic collimator system and fiber optic collimator array system: A fiber optic collimator system, a fiber optic collimator array, and a fiber optic collimator array system, which can reduce difficulty in an alignment process, minimize a coupling loss, and prevent the optical characteristics from deteriorating. An optical fiber is fused to one end of a GRIN lens made of... Agent: Wenderoth, Lind & Ponack, L.L.P.

20070147736 - Chiral fiber grating device and method of fabrication thereof: A chiral fiber grating for reflecting, scattering or polarizing an optical signal, or for forming a fiber laser feedback structure is disclosed. The chiral fiber grating is fabricated by fusing and then twisting/drawing two tapered optical fibers in accordance with a predetermined fabrication protocol. In one embodiment of the invention,... Agent: Edward Etkin, Esq. Law Office Of Edward Etkin, Esq., PC

20070147737 - Method and apparatus for inducing an index of refraction change on a substrate sensitive to electromagnetic radiation: An apparatus for inducing of the index of refraction of a substrate sensitive to electromagnetic radiation. The apparatus is capable of generating a first beam of electromagnetic radiation and a second beam of electromagnetic radiation that is different from the first beam. The first and the second beams converge toward... Agent: Fetherstonhaugh - Smart & Biggar

20070147734 - Optical device for simultaneously generating and processing optical codes:

20070147738 - Intrinsic fabry-perot structure with micrometric tip: A fiber-optic sensor includes a Fabry-Perot cavity, the length of which may be altered by deposition of a material of interest that may be deposited or captured on an end surface thereof. The sensor may also be tapered near the end surface to a tip diameter in the range of... Agent: Whitham, Curtis & Christofferson & Cook, P.C.

20070147739 - Optical devices with multiple wafers containing planar optical wavequides: 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: Ms. Lauren Brighton At&t Corp.

20070147740 - Integrated optical filter: The disclosure relates to an integrated circuit comprising at least one photosensitive cell. The cell includes a photosensitive element, an input face associated with the said photosensitive element, an optical filter situated in at least one optical path leading to the photosensitive element and an interconnection part situated between the... Agent: Docket Clerk

20070147741 - Splice connector for verifying an acceptable splice termination: A splice connector for verifying an acceptable splice termination includes a ferrule having a stub optical fiber, a ferrule holder for receiving the ferrule, opposed splice components within the ferrule holder for receiving and aligning the stub optical fiber and a field optical fiber, a cam member for engaging one... Agent: Corning Cable Systems LLC

20070147743 - Fiber assembly and light transmitting/receiving module: A light transmitting/receiving module comprising a fiber assembly and a light source is provided. The fiber assembly includes a fiber, a ferrule, and a rigid tube. The fiber has an end segment, wherein the end segment has a slanted end surface. The ferrule covers the end segment and exposes the... Agent: Jianq Chyun Intellectual Property Office

20070147744 - Optical device: An optical device has a photodiode placed on a substrate. A guide is formed on the substrate so that it surrounds the photodiode with concentric positioning to an accuracy better than 5 μm. A ferrule of a ferrule assembly engages within the guide for automatic alignment with the photodiode without... Agent: Avago Technologies, Ltd. C/o Klaas, Law, O'meara & Malkin, P.C.

20070147745 - Optical subassembly installing thermistor therein: The present invention is to provide an optical subassembly with a co-axial package that enables to sense the temperature of the devices mounted within the subassembly with a relatively inexpensive chip thermistor. The subassembly includes a co-axial package and a FPC board to connect the subassembly to the outer circuit.... Agent: Venable LLP

20070147747 - Optical module and optical transmission system using the same: The lead can be short in length, whereby the optical module can response at high speed. An optical module is provided with an optical element mounted on a lead frame and is mounted on a substrate by way of the lead frame. The optical element is mounted so that its... Agent: Sughrue Mion, PLLC

20070147746 - System and method for installing and retaining i/o connector without tools: A system and method for installing and retaining an input/output connector without tools is presented. A user removes a module from a computer system in order to add or remove a transceiver. The module includes a housing and a front bezel, whereby a bezel latch attaches the front bezel to... Agent: Ibm Corporation - Rps (jvl) C/o Van Leeuwen & Van Leeuwen

20070147748 - Optical fiber base material, connecting and processing method and apparatus of the same: An object of the present invention is to provide an optical fiber base material and a connection processing method and apparatus capable of simply connecting ends of an optical fiber base material and a dummy member with a large diameter at short times without breaking and crack in a connected... Agent: Mcginn Intellectual Property Law Group, PLLC

20070147750 - Laser device and exposure device using the same:

20070147749 - Optical memory reproduction apparatus and incidence positioning method for read light thereof: An optical memory medium (2) has cores (21) each constituting a planar optical waveguide and clads (22) sandwiching each core, and has a data image (203) in which data is recorded as a scattering factor and a pair of positioning marks (201, 202) which are scattering factors required for positioning... Agent: John S. Pratt, Esq Kilpatrick Stockton, LLP

20070147753 - Optical fiber and method for fabricating same: Disclosed is a method for fabricating an optical fiber having attenuation loss, in which non-uniformity of the attenuation loss in the lengthwise direction of the optical fiber is equal to or less than 0.05 dB/km in the wavelength band of 1383 nm and an average value of the attenuation loss... Agent: Cha & Reiter, LLC

20070147754 - Optical fiber: An optical fiber is described in which the cladding is provided with a refractive index that increases in a radially outward direction. In particular embodiments the refractive index of the cladding increases monotonically from a low value to a value close to or higher than the refractive index of the... Agent: Intellectual Property Group Fredrikson & Byron, P.A.

20070147755 - Optical fiber and optical module: An optical fiber capable of effectively suppressing stimulated Brillouin scattering, and an optical module including the fiber are provided. The fiber includes a core region, and a cladding region having a refractive index lower than that of the core region and an acoustic velocity higher than that of the core... Agent: Mcdermott Will & Emery LLP

20070147751 - Optical fiber with specialized index profile to compensate for bend-induced distortions: An optical fiber that exhibits reduced mode distortions as the fiber is bent is formed by properly defining its refractive index profile during fabrication. The as-fabricated profile is defined as a “pre-distorted” profile that takes into account the gradient introduced by bending the fiber. A parabolic index profile is one... Agent: Wendy W. Koba

20070147752 - Photonic crystal fibers and systems using photonic crystal fibers: In general, in one aspect, the invention features methods that include guiding radiation at a first wavelength, λ1, through a core of a photonic crystal fiber and guiding radiation at a second wavelength, λ2, through the photonic crystal fiber, wherein |λ1−λ2|>100 nm.... Agent: Fish & Richardson PC

20070147756 - Single-mode optical fiber: A single-mode optical fiber has a cut-off wavelength of 1260 nm or less, a zero-dispersion wavelength in the range of 1300 nm to 1324 nm, a zero-dispersion slope of 0.093 ps/nm2/km or less, a mode field diameter at a wavelength of 1310 nm in the range of 5.5 μm to... Agent: Sughrue Mion, PLLC

20070147757 - Gas filled hollow core chalcogenide photonic bandgap fiber raman device and method: A hollow core photonic bandgap chalcogenide glass fiber includes a hollow core for passing light therethrough, a Raman active gas disposed in said core, a microstructured region disposed around said core, and a solid region disposed around said microstructured region for providing structural integrity to said microstructured region. A coupler... Agent: Naval Research Laboratory Associate Counsel (patents)

20070147759 - Light guide plate and a planar lighting device using the same: A light guide plate of the invention has a plurality of unit light guide plates that are formed of a transparent resin material and which are joined together. Each of the unit light guide plates has a flat rectangular light exit surface and a back surface that is opposite the... Agent: Sughrue Mion, PLLC

20070147760 - Light guide unit: The disclosed is a light guide unit and a surface illuminator illuminating a liquid crystal display (LCD). The light guide unit (100) is composed of a surface lighting light guide (30) having a light emitting major surface (30a) and a light receiving side surface (30c); a channel light guide (20)... Agent: Keiji Iimura

20070147758 - Light integrator with circular light output: An ILP comprises a rotationally symmetric surface in an outer structure serving as a spatial limiter and an inner optical surface that is rotationally asymmetric in cross-section disposed lengthwise within the outer structure. The inner surface acts as a conventional light-integrator and is designed to allow a portion of the... Agent: Antonio R. Durando

20070147761 - Amorphous silicon waveguides on lll/v substrates with barrier layer: An optical device and a method of forming the same is described. The optical waveguide includes a substrate, an etch-stop layer adjacent to the substrate, a barrier layer adjacent to the etch-stop layer, and an active waveguide having a lower cladding layer adjacent to the barrier layer. Also described is... Agent: Reed Smith LLP

20070147762 - Interface for a-si waveguides and iii/v waveguides: A method of coupling a waveguide to a multi-layered active device structure on a substrate is described. The method includes forming a junction area by etching the active device structure to form a sloped etch profile with respect to the substrate, aligning multiple layers of the multi-layered active device structure... Agent: Reed Smith LLP

20070147763 - Compact light collection system and method: A light collection system includes at least one light source, a light tunnel having reflective walls and a collimating plate at the light output end of the tunnel. The collimating plate includes an optical element array. The element array receives the light emitted from the light source and outputs part... Agent: Michael K. Lindsey Gavrilovich, Dodd & Lindsey, LLP

20070147764 - Optical module testing apparatus: An exemplary optical module testing apparatus (100) includes a base (10) and a supporting element (20). The base has a testing hole (13) formed thereon. The supporting element has a plurality of supporting portions (23) formed thereon. The supporting element is slideably disposed on the base in such a manner... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang Jeffrey T. Knapp

20070147765 - Splitter modules for fiber distribution hubs: A splitter module for a fiber distribution hub includes a main body with a first aperture configured to receive an input fiber entering the splitter module, and a second aperture configured for a plurality of distribution fibers exiting the splitter module. The splitter module also includes a fin configured to... Agent: Merchant & Gould PC

20070147766 - Low loss silicon oxynitride optical waveguide, a method of its manufacture and an optical device: The invention relates to an optical waveguide for guiding light in a predefined wavelength range, the optical waveguide comprising core and cladding regions for confining light, the core and/or cladding region or regions being formed on a substrate and comprising material of the stoichiometric composition SiaOxNyXzH. The invention further relates... Agent: Jacobson Holman PLLC

20070147767 - Resin composition for optical wiring, and optoelectronic circuit board: This invention is a resin composition for optical wiring, comprising an inorganic filler with an average particle size of 1 nm to 100 nm and a resin, having a ratio nf/nr (where nf is the refractive index of the inorganic filler and nr is the refractive index of the resin)... Agent: Kubovcik & Kubovcik

20070147768 - Coating tool, coating tool handle, and coating tool set: A coating tool having a handle and a coloring material holding part that are bonded to each other with an adhesive sheet having adhesive layers on its two sides. The adhesive layer on the side of the adhesive sheet for bonding to the coloring material holding part is made of... Agent: Seed Intellectual Property Law Group PLLC

06/21/2007 > patent applications in patent subcategories.

20070140614 - Pneumatic mems switch and method of fabricating the same: A pneumatic micro electro mechanical system switch includes a substrate, a pneumatic actuating unit disposed on the substrate; the pneumatic actuating unit having a plurality of variable air cavities communicating such that when one of the plurality of variable air cavities is compressed, the rest are expanded; a signal line... Agent: Sughrue Mion, PLLC

20070140612 - Optical modulator, optical waveguide device and acousto-optic tunable filter apparatus: The invention provides an optical modulator wherein appearance of radiation mode light can be suppressed to improve performances as a device. The optical modulator includes a multiplexing waveguide which in turn includes two input waveguides to which propagation lights from a linear waveguide are inputted, a waveguide coupling element, and... Agent: Staas & Halsey LLP

20070140613 - Integrated coherent optical detector: The present invention provides an integrated device and a method of its fabrication and use. Two parts of the device each having an electronic circuit are aligned adjacent to each other with an accuracy of at least 1 micron. An alignment system includes two parts: a first part integrated with... Agent: Celight, Inc.

20070140615 - Waveguide and optical cable module: A waveguide includes a core part, clad layer surrounding the core part about an optical axis of the core part, and an optical path conversion mirror formed at the end face of at least one of the core part or the clad layer. The optical path conversion mirror converts an... Agent: Osha Liang L.L.P.

20070140616 - Optical element, laser light source, and two-dimensional image forming apparatus: An optical element (10) according to the present invention is provided with a plurality of waveguides (11)˜(13) and a plurality of light path coupling parts (21), (22) coupling adjacent waveguides so as to optically couple said plural waveguides serially, wherein the paths for transmitting lights through the plural waveguides are... Agent: Steptoe & Johnson LLP

20070140617 - Optical device having connections with optical members through protective medium: An optical device includes: a first optical member having a light-exit end at which light exits the first optical member; a second optical member having a light-entrance end which abuts the light-exit end through a protective medium and from which the light enters the second optical member; and the protective... Agent: Sughrue Mion, PLLC

20070140619 - Dual core corrugated bragg grating: An apparatus comprising a first core layer having a first thickness and a first refractive index; a second core layer formed on the first core layer, the second core layer having a second thickness and a second refractive index; and a grating formed at the interface between the first core... Agent: Blakely Sokoloff Taylor & Zafman

20070140618 - Method and apparatus for wavelength-selective switches and modulators: An apparatus and method are provided for manipulating light beams propagated through an optical apparatus that includes a planar lightwave circuit (PLC) and free-space optics unit. A multi-wave optical signal coupled to the PLC is propagated through a first and second waveguide array to generate a phased array output at... Agent: Brosemer, Kolefas & Associates, LLC - (lucent)

20070140620 - Optical bi-directional rotary hinge: The specification and drawings present a new method and apparatus for a rotary hinge for transmitting an optical signal (e.g., comprising data) bi-directionally or uni-directionally from one part to another in an electronic device, wherein these parts can rotate relative to each other using the rotary hinge. The optical signal... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20070140621 - Connector assembly with integrated electromagnetic shield: A conductive, compliant, deformable boot for a fiber optic or other cable assembly is described, which both provides traditional cable strain relief functions and extends over the body of the connector to form an electrically conductive shield over the cable receptacle aperture when the cable assembly is plugged into the... Agent: William A. Kinnaman, Jr. IBM Corporation

20070140623 - Optical fiber connection fitting: An optical fiber connection sleeve adapted to receive an optical fiber connector at one end and an optical fiber adapter at the other. The sleeve protects the fiber connection that results from the fiber connector joining the fiber adapter within the sleeve. An optical fiber connector parking lot fitting that... Agent: Christensen, O'connor, Johnson, Kindness, PLLC

20070140622 - Optical fiber termination apparatus and methods of use, and optical fiber termination process: Apparatus and methods for terminating and anchoring fiber optic connections are disclosed. One apparatus includes a sealed body enclosing a passage for one or more optical fibers terminating in connections proximate a first end of the sealed body, the sealed body having a diameter less than an internal diameter of... Agent: Schlumberger Technology Corporation

20070140625 - Integrated focusing and reflecting structure in an optical assembly: An integrated reflecting and focusing structure for use in optical transmitters and receivers to redirect optical signals when an optoelectronic device of the transmitter or receiver is positioned in an off-center relationship with respect to an intended light path is disclosed. The integrated reflecting and focusing structure simplifies construction while... Agent: Workman Nydegger (f/k/a Workman Nydegger & Seeley)

20070140624 - Opto-electronic device for optical fibre applications: An opto-electronic device comprising opto-electronic circuitry on a lead-frame and an optical guide receptacle for receiving an optical guide coupler, the opto-electronic circuitry comprises signal conversion means whereby an optical signal can be converted into an electrical signal or vice versa, the optical guide receptacle comprises means for guiding reception... Agent: Buchanan, Ingersoll & Rooney PC

20070140626 - Latching mechanism for pluggable transceiver: A pluggable connector, such as an optical transceiver is provided for coupling an information system unit to a fiber optical cable. The connector includes a housing, a moveable collar disposed on an optical connector end of the housing, said collar surrounding an optical connector, a cam connected to said moveable... Agent: Emcore Corporation

20070140627 - Passively aligned optical-electrical interface with microlenses: An optical-electrical interface for interfacing optical signals with electrical signals. The optical-electrical interface includes an alignment interface for receiving an external waveguide connector from a first side. The alignment interface includes an alignment structure to mate with a corresponding alignment structure of the external waveguide connector to passively align the... Agent: Blakely Sokoloff Taylor & Zafman

20070140628 - Termination for optic fiber with improved optical features: A terminal element for fiber optic communication has an elongated body defining a body axis and having a first end from which an optical fiber extends along the body axis. The body has a second end with an angled surface offset at an angle from the body axis. The fiber... Agent: Thomas F. Lenihan Tektronix, Inc.

20070140629 - Connector for two-way optical communications: Attachments are respectively attached to one ends of a pair of light guides, which are integrally formed via a connecting portion, such that the attachments surround the one ends of the light guides. The one ends protrude from a rear face of a receptacle body and are opposed to a... Agent: Gallagher & Lathrop, A Professional Corporation

20070140630 - Three color digital gobo system: A system of digitally controlling light output by producing separate control signals for different colors of light. The light is contained in an optical waveguide, either prior to shaping or after shaping. Each of the control signals is coupled to a digitally controlled device which controls the shape of the... Agent: Fish & Richardson, PC

20070140631 - Dielectric optical fiber cable having improved installation features: A telecommunication optical fiber cable and in particular a reduced diameter optical cable with improved installation features for use in the end part of an access telecommunication network. The optical fiber cable has a number of optical fibers; at least a core tube containing the optical fibers; a jacket surrounding... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070140632 - Fiber wiring sheet and method of manufacturing same: An optical fiber wiring sheet includes: at least one optical-fiber aligning section including a plurality of two-dimensionally aligned and wired coated optical fibers; and at least one optical-fiber branching part where at least one of the plurality of coated optical fibers branches off as a branching coated optical fiber from... Agent: Knobbe Martens Olson & Bear LLP

20070140633 - Optical waveguide film, and light transmission and reception module: An optical waveguide film that can supply power at extremely low cost, and a light transmission and reception module using this film are provided. A macromolecular optical waveguide film is composed of a square-shaped waveguide core which extends in a film length direction, a conductive wires which extends in the... Agent: Oliff & Berridge, PLC

20070140634 - Gain-producing, large-mode-area, multimode, hybrid optical fibers and devices using same: A large mode area, gain-producing optical fiber is configured to support multiple transverse modes of signal radiation within its core region. The fiber is a hybrid design that includes at least two axial segments having different characteristics. In a first axial segment the transverse refractive index profile inside the core... Agent: Michael J. Urbano

20070140635 - Chromatic dispersion compensating and chromatic dispersion slope compensating fiber: A chromatic dispersion compensating and dispersion slope compensating optical fiber comprises a central core having an index difference Δn1 with an outer optical cladding, a first buried inner cladding having an index difference Δn2 with the outer cladding, a ring having an index difference Δn3 with the outer cladding and... Agent: Sughrue Mion, PLLC

20070140636 - Multichannel optical path changing device and its production method: The present invention relates to a multichannel optical path changing device that is constituted of resin optical waveguides and mirrors and that changes a direction of an optical path. This device has monolithically formed cores having a mirror therebetween and optical path directions changed, and has multichannel cores simultaneously formed... Agent: Crowell & Moring LLP Intellectual Property Group

20070140637 - Method for high topography patterning: One inventive aspect is related to a method for isolating structures of a semiconductor material, comprising providing a pattern of the semiconductor material comprising at least one elevated line, defining device regions in the pattern, the device regions each comprising at least said at least one elevated line, and modifying... Agent: Knobbe Martens Olson & Bear LLP

20070140638 - Nanowires and nanoribbons as subwavelength optical waveguides and their use as components in photonic circuits and devices: Nanoribbons and nanowires having diameters less than the wavelength of light are used in the formation and operation of optical circuits and devices. Such nanostructures function as subwavelength optical waveguides which form a fundamental building block for optical integration. The extraordinary length, flexibility and strength of these structures enable their... Agent: John P. O'banion O'banion & Ritchey LLP

20070140640 - Fiber optic cables having at least one tether optical fiber: A distribution fiber optic cable including a plurality of optical fibers, a main cable body with some of the plurality of optical fibers being disposed within the main cable body, at least one tether optical fiber, and a cable jacket. The at least one tether optical fiber is one of... Agent: Corning Cable Systems LLC

20070140639 - Methods for making fiber optic cables having at least one tether optical fiber: A method for manufacturing a distribution fiber optic cable is disclosed. The method comprises the steps of providing a plurality of optical fibers for a cable. Transitioning at least one of the plurality of optical fibers between a first location and a second location, where one of the locations is... Agent: Corning Cable Systems LLC

20070140641 - Dual-optical fiber coupler enclosure: Disclosed herein is an optical fiber coupler enclosure. The optical fiber coupler enclosure includes a lid member, a base member, and a first end cap. The lid member includes two lid side walls and a first open end. The base member is opposite the lid member. The base member includes... Agent: Harrington & Smith, PC

20070140642 - Fiber access terminal: A fiber access terminal for mounting to the end of a fiber distribution cable and configured to be extended through a buried conduit. The fiber distribution cable may include a plurality of optical fibers and enters a housing of the terminal through a base. The terminal also includes a plurality... Agent: Attn: David G. Schmaltz Merchant & Gould P.C.

20070140643 - Cable connector type transceiver module: A cable connector type transceiver module is disclosed. Pads for wire soldering are disposed near a card edge connecting section of the tip of a printed circuit board on the printed circuit board. Pairs of wires of a cable for balanced transmission are extended in the direction of the card... Agent: Staas & Halsey LLP

06/14/2007 > patent applications in patent subcategories.

20070133918 - Quadrature modulator with feedback control and optical communications system using the same: The method and system are disclosed for automatic feedback control of integrated optical quadrature modulator for generation of optical quaternary phase-shift-keyed signal in coherent optical communications. The method comprises the steps of detecting at least a part of an output optical signal from the QPSK modulator, extracting of a particular... Agent: Celight, Inc.

20070133919 - Distributor and distributing method, plasma processing system and method, and process for fabricating lcd: A distributor (30) includes a square waveguide (31) to be connected to a microwave oscillator (20) and a square waveguide (41) having a plurality of openings (43) formed in a narrow wall (41B). The square waveguide (31) is hollow. A wave delaying member (53) having a relative dielectric constant εr... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070133920 - Optical device having optical waveguide including organic bragg grating sheet: Provided is an optical device having an optical waveguide including an organic Bragg grating sheet. The optical device includes a cladding layer, and an optical waveguide. The cladding layer is formed on a substrate, and the optical waveguide is formed within the cladding layer. The optical waveguide includes a core... Agent: Ladas & Parry LLP

20070133922 - Intrusion detection and location system for use on multimode fiber optic cable: A telecommunications multimode optical fiber is secured against intrusion by detecting manipulation of the optical fiber prior to an intrusion event. Pulses are injected using a launch arrangement which generates a narrow spectral width, under-filled, non-uniform mode field power distribution in the multimode optical fiber and Fresnel reflections and Rayleigh... Agent: Ade & Company Inc.

20070133921 - Optical sensor device for local analysis of a combustion process in a combustor of a thermal power plant: An optical sensor device for local analysis of a combustion process in a combustor of a thermal power plant, in particular a gas turbine plant, includes at least one wavelength selective optical element exposed directly or indirectly to hot combustion gases being produced by said combustion process, the optical element... Agent: Cermak & Kenealy LLP

20070133923 - High power planar lightwave circuit optical tx module and tx/rx module: Provided are high power PLC optical Tx module and PLC optical Tx/Rx module. The PLC optical Tx/Rx module is located in an OLT of a PON system. The high power PLC optical Tx/Rx module includes a photodiode, a laser diode, an SOA, an optical coupler, and a PLC platform. The... Agent: Ladas & Parry LLP

20070133924 - Integral pre-aligned micro-optical systems: An accurate and inexpensive integral micro-optical system for coupling and aligning optical fibers with other optical components, such as other optical fibers, diffusers, beam shapers, beam splitters, mirrors, or lenses is disclosed. The micro-optical coupler disclosed comprises one or more fiberport collimators and one or more microlens arrays, optically aligned... Agent: Patent Department Taylor, Porter, Brooks & Phillips, L.l.p

20070133925 - Systems and methods for minimally-invasive optical-acoustic imaging: This document discusses, among other things, an imaging guidewire that includes one or more optical fibers communicating light along the guidewire. At or near its distal end, one or more blazed or other fiber Bragg gratings (FBGs) directs light to a photoacoustic transducer material that provides ultrasonic imaging energy. Returned... Agent: Schwegman, Lundberg, Woessner & Kluth, P.A.

20070133926 - Flexible cam member for fiber optic mechanical splice connector: A cam member having a specific interior geometry for applying a force to alignment components of a mechanical splice fiber optic connector. A cam member defining an interior surface having a decreasing diameter transition from a cam member un-actuated position to an actuated position without an intermediate position having a... Agent: Corning Cable Systems LLC

20070133927 - Optical fiber connector with molded locking component: Provided are optical fiber connectors having top and bottom, front and back orientation comprising: a jacketed optical cable comprising a terminating fiber (11), the cable having molded thereon a locking component (13) comprising at least one locking lug (14), the locking component (13) being formed from a flexible moldable material;... Agent: Robert J Kapalka Tyco Technology Resources

20070133928 - Canted-fiber duplex optical assembly: A canted-fiber duplex optical subassembly is disclosed herein. The optical subassembly transmits and receives optical signals by way of a single optical fiber, which has a canted surface on one end. A light source sends transmission optical signals, which are refracted through the canted surface and then enter the optical... Agent: Venable LLP Raymond J. Ho

20070133929 - Optical fiber array module, fabrication method thereof, and portable terminal: An optical fiber array module is provided. The optical fiber array module includes a light emitting device to emit light having a pre-set convergence angle through a a side surface (having a window or opening) thereof; an optical fiber array including a plurality of optical fibers (each optical fiber being... Agent: Cha & Reiter, LLC

20070133930 - Optical transceiver consistently satisfying optical alignment and heat-dissipation: The present invention provides an optical transceiver with a structure that is able to cope with both the heat-dissipation and the optical coupling of the sub-assembly with a butterfly package. The optical transceiver includes a frame, a receptacle member, a transmitter optical sub-assembly, a receiver optical sub-assembly, a substrate and... Agent: Venable LLP

20070133931 - Optical alignment method and apparatus: In disclosed optical alignment method and apparatus thereof, external reflection entering laser diode by feedback from transmission line of low cost bidirectional optical transceiver module without optical isolator for subscribers is reduced so as to reduce RIN considering high optical coupling efficiency. The external reflection is minimized using property that... Agent: Mayer, Brown, Rowe & Maw LLP

20070133932 - Light transmission: A fiber optic cable comprising at least one light transmitter extending longitudinally along the cable and a body encompassing the light transmitter. The body includes an exposed surface having an array of fastener elements extending therefrom. The fastener elements arranged and constructed to engage mating fastener elements associated with a... Agent: Fish & Richardson PC

20070133933 - Enhanced coplanar waveguide and optical communication module using the same: Provided are an enhanced structure of a coplanar waveguide that is a kind of transmission line used for optical communication for radio frequency (RF), and an optical communication module employing the same. While having a basic structure including a conductive strip and ground strips at both sides of the conductive... Agent: Ladas & Parry LLP

20070133934 - Multiple-core planar optical waveguides and methods of fabrication and use thereof: A multiple-core planar optical waveguide comprises: a substantially planar waveguide substrate; a lower waveguide core; an upper waveguide core; lower cladding between the substrate and the lower waveguide core; middle cladding between the waveguide cores; and upper cladding above the upper waveguide core. Overlapping portions of the waveguide cores are... Agent: Christie, Parker & Hale, LLP

20070133935 - Flexible optical device: A flexible and optionally highly elastic waveguide capable of propagating and emitting light is disclosed. The flexible waveguide comprises a flexible material having a surface and an end, wherein a first portion of the light is emitted through at least a portion of the surface of the flexible waveguide, and... Agent: Martin Moynihan Anthony Castorina

20070133936 - Optical element and optical-loss measurement apparatus: An optical deflection element is composed of a substrate 1 and an optical waveguide 2 formed on the substrate 1 and made of an electrooptic material. The optical waveguide 2 is composed of a lower clad layer 3, an upper clad layer 5, and a core layer 4, in which... Agent: Armstrong, Kratz, Quintos, Hanson & Brooks, LLP

06/07/2007 > patent applications in patent subcategories.

20070127861 - Light scattering optical resonator: Ring or disc optical resonators are provided with random or coherent corrugation on a top surface to cause optical power to be radiated in a desired direction by light scattering. The resonators may be positioned proximate a waveguide, either in-plane or inter-plane with the waveguide. The resonators are used in... Agent: Schwegman, Lundberg, Woessner & Kluth, P.A.

20070127862 - Optically functional device: An optical functional device comprises a dielectric substrate 5, a ferroelectric thin layer 10 provided on the dielectric substrate 5 and comprising a material having electro-optical effect and an electrode 3A, 3B provided on the ferroelectric thin layer 10. A part of the ferroelectric thin layer 10 functions as a... Agent: Burr & Brown

20070127863 - System and method for guiding light from an interrogation zone to a detector system: An optical system for guiding light from an interrogation zone to a detector system. The optical system includes an optical device, a first waveguide, and a second waveguide. The optical device is preferably adapted to collect and partition light into a first channel and a second channel of substantially similar... Agent: Schox PLC

20070127864 - Deployment of electro-optic amplitude varying elements (aves) and electro-optic multi-functional elements (mfes) in photonic integrated circuits (pics): Electro-optic amplitude varying elements (AVEs) or electro-optic multi-function elements (MFEs) are integrated into signal channels of photonic integrated circuits (PICs) or at the output of such PICs to provide for various optical controlling and monitoring functions. In one case, such PIC signal channels may minimally include a laser source and... Agent: Infinera Corporation

20070127865 - Optical devices and methods to construct the same: Optical devices and methods for constructing the same are disclosed. An example optical device includes an optical transmitter, a photodetector and a waveguide optically coupling the optical transmitter and the photodetector. It also includes a substrate having a first cavity to receive the optical transmitter and a second cavity to... Agent: Hanley, Flight & Zimmerman, LLC

20070127866 - Optical deflection array: An optical deflection matrix including at least two optical deflection modules each for providing, from an incoming beam having a given direction of propagation, an output beam having a direction of propagation taken in a set of potential directions. The modules each include a single deflection element of the incoming... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070127867 - Glass package for optical device: A glass optical filter is described that optically connects two optical fibers and may filter a single or group of channels from a WDM signal that is being communicated between the optical fibers. The glass optical filter may be comprised of two pigtail tubes having smaller interior diameters than a... Agent: North Weber & Baugh LLP

20070127868 - Multi-mode optical coherence device and fabrication method thereof: In an MMI device with which a plurality of narrow width single-mode waveguides are provided at both ends of a multimode waveguide M, and light introduced into one single-mode waveguide on the input side is interfered in the multimode waveguide to be emitted from two single-mode waveguides on the output... Agent: Volentine Francos, & Whitt PLLC

20070127869 - Wavelength multiplexer/demultiplexer comprising an optically dispersive stratified body: The present invention provides a wavelength multiplexer/demultiplexer comprising a plurality of regions of optically permissive material. The plurality of regions are disposed adjacent one another in a side by side relationship in order to define a stratified body. The materials in adjacent regions have differing indexes of refraction. The stratified... Agent: Fetherstonhaugh - Smart & Biggar

20070127870 - Optical hot tip: An optical hot tip and method for manufacturing the same. The hot tip is for conducting high optical power beams at the tip of a fiber or waveguide. The light from the fiber or waveguide is absorbed in and end tip in order to generate heat. The heat can then... Agent: Stephen G Rudisill Jenkens & Gilchrist A Professional Corporation

20070127871 - Boot for mt connector: A boot for an MT connector used for installing a multicore optical fiber tape unit into the MT connector. The boot has a taper part that converts an array pitch in a plurality of optical fiber cores bundled in the optical fiber tape unit.... Agent: Foley And Lardner LLP Suite 500

20070127872 - Reversible fiber optic stub clamping mechanism: A fiber optic stub fiber connector for reversibly and nondestructively terminating an inserted field fiber having a buffer over at least a portion thereof. The connector includes a housing and a ferrule including a stub fiber disposed within and extending from a bore through the ferrule. The ferrule is generally... Agent: Panduit Corp.

20070127873 - Optical fiber clamping assembly: A clamping assembly having a top and bottom and front and back orientation, at least one optical axis, and a pre-actuated state in which a fiber is not secured to the clamping assembly and a post-actuated state in which a fiber is secured to the clamping assembly, the clamping assembly... Agent: Tyco Technology Resources

20070127874 - Optical module with thermo-electric controller in co-axial package: The present invention is to provide an optical module with a co-axial package and to enable to measure the temperature of the semiconductor laser diode in accurate. The module of the present invention includes the primary portion and the package. The package has the stem and the cap mounted on... Agent: Smith, Gambrell & Russell

20070127875 - Optical fiber splicing closures and methods: A splice enclosure assembly is provided for enclosing a splice between first and second fiber optic cables, the first and second fiber optic cables each having a jacket, an elongate optical fiber and at least one flexible, elongate strength member extending through the jacket. The splice enclosure assembly includes an... Agent: Marguerite E. Gerstner Tyco Electronics Corporation

20070127876 - Optical fiber cables: The specification describes an optical fiber drop cable with a flat configuration and having two side-by-side subunits. One of the subunits contains a cable strength member, e.g. a steel wire or stranded wire. The other subunit is an optical fiber subunit, which contains the optical fiber(s), and also contains one... Agent: Law Firm Of Peter V.d. Wilde

20070127877 - Amplifying optical fiber: The invention consists in an amplifying optical fiber comprising a core containing a dopant and a cladding, wherein said core comprises a monomode core intended to propagate an optical signal, quantum dots of a semiconductor material being disposed in or near said monomode core, and a multimode core surrounding the... Agent: Sughrue Mion, PLLC

20070127878 - Single mode optical fiber: An optical transmission fiber comprises a central core having an index difference Δn1 with an outer optical cladding; a first inner cladding having an index difference Δn2 with the outer cladding; and a second buried inner cladding having an index difference Δn3 with the outer cladding of less than −3.10−3.... Agent: Sughrue Mion, PLLC

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