Optical waveguides inventions 03/09

20090080826 - Junction field effect transistor geometry for optical modulators: An apparatus for controlling a signal includes an optical waveguide having a variable refractive index; an active device formed within the waveguide, the device having three electrodes, a drain, a source and a gate; and wherein the device is located within the waveguide so that current flowing from the drain... Agent: Michael Buchenhorner, P.A.

20090080828 - Fibre optic sensor array: A fibre-optic sensor array (100) comprises a line array of fibre-optic sensor packages (AX, BX, CX, DX, AY, BY, CY, DY, AZ, BZ, CZ, DZ) each having a package input/output (i/o) fibre and each being arranged to output a finite output pulse series of optical output pulses via the package... Agent: Mcdonnell Boehnen Hulbert & Berghoff LLP

20090080827 - Production device and production method for an optical device component having a grating structure: A production device and a production method for a grating-type optical component enabling formation of a variety types of FBGs using a single phase mask and an optical component made by the production method or production device for a grating-type optical component are provided. The method involves diffusing at least... Agent: Sughrue Mion, PLLC

20090080829 - Optical strain gauge strips: The invention relates to an optical strain gage (1) for the multi-axis strain measurement, that includes at least two linear light waveguide sections (2, 3, 4) with Bragg gratings (5). These are arranged next to one another in a prescribed angle (19) of 90° or 45° on a support layer... Agent: Fasse Patent Attorneys, P.A.

20090080831 - Optical module and method of producing optical module: An optical module where breaking of an optical fiber is avoided to improve ease of handling in the assembly process of the module and mechanical reliability of the module including resistance to impact. The optical module has a PD (3) and an optical fiber (5a) that are mounted on the... Agent: Frishauf, Holtz, Goodman & Chick, PC

20090080830 - Optoelectronic integrated circuit board and communications device using the same: In the optical connection between multi-layered optical waveguides and photoelectric converting elements or optical waveguide array connectors formed on a substrate, the optical coupling efficiency is to be prevented from degrading due to deviation of the optical axis positions between optical elements and the optical waveguide layers that is caused... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090080832 - Quasi-waveguide printed circuit board structure: In some embodiments a channel is formed in printed circuit board material, the formed channel is plated to form at least two side walls of a quasi-waveguide, and printed circuit board material is laminated to the plated channel using thermoset adhesive. Other embodiments are described and claimed.... Agent: Intel Corporation C/o Intellevate, LLC

20090080833 - Apparatus and methods for remakeable connections to optical waveguides: A single-mode optical waveguide with a core, surrounded by a cladding consisting of an inner soft layer and an outer harder layer is described. The outer layer has a grating structure on its inner surface, whose spatial frequency is the same as that of the guided mode. The thickness of... Agent: David Aker

20090080834 - Bragg grating elements for optical devices: Disclosed herein is a method for manufacturing three-dimensional Bragg grating elements. The method for manufacturing three-dimensional Bragg gratings may include forming a first Bragg grating element using a pair of recording beams. The method may also include using a single recording beam to replicate the first Bragg grating element to... Agent: Woodcock Washburn LLP

20090080835 - Optical fiber laser, and components for an optical fiber laser, having reduced susceptibility to catastrophic failure under high power operation: Optical fiber lasers and components for optical fiber laser. An optical fiber laser can comprise a fiber laser cavity having a wavelength of operation at which the cavity provides output light, the cavity including optical fiber that guides light having the wavelength of operation, the fiber having first and second... Agent: Nufern Peter J. Rainville

20090080837 - Harsh environment connector: First and second connector units each have a contact chamber with a front wall having an opening closed by a stopper. Seals in the respective openings surround and seal the stoppers prior to mating. The stopper in the first connector unit is retracted into the housing during mating while the... Agent: Procopio, Cory, Hargreaves & Savitch LLP

20090080836 - Wet mate connector: A connector has first and second connector units, each unit incorporating an oil-filled chamber housing one or more contact elements to be joined. At least one connector unit has a face seal assembly which seals the forward end of the contact chamber in the unmated condition. The face seal assembly... Agent: Procopio, Cory, Hargreaves & Savitch LLP

20090080838 - Anti-wiggle optical receptacle: A casing includes a solid sleeve and a split sleeve in combination to provide a connection between a fiber stub and a ferrule containing an optical fiber. The arrangement prevents wiggle of the ferrule, and also does so without the tight tolerances that would otherwise be required in solid sleeve... Agent: Gibson & Dernier L.L.P.

20090080839 - Optical connector, optical fiber with connector, optical fiber connecting device, and optical fiber connection method: A plug-type optical connector is provided with a ferrule and an aligning sleeve member. The aligning sleeve member receives a portion of the ferrule including an abutting end face inside a bore to prevent staining and damage and uses a movable shutter to prevent light emitted through the ferrule from... Agent: 3m Innovative Properties Company

20090080840 - Apparatus for shaping the end of an optical fiber: An apparatus is provided for shaping an end of an optical fiber. The apparatus may include a frame and a clamp constructed to hold the optical fiber in a fixed location relative to the frame. The apparatus may further include a tip shaper supported by the frame and movable in... Agent: Wolf Greenfield & Sacks, P.C.

20090080841 - Method of connecting optical fibers: A method of connecting a holey fiber to an optical fiber includes fusion splicing an end surface of the holey fiber and an end surface of the optical fiber thereby forming a joint section; and stretching the joint section while heating by pulling the holey fiber and the optical fiber... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090080842 - Apparatus for splicing optical fibers: An apparatus for splicing optical waveguides has a memory circuit in which data items which identify a state of the apparatus for splicing the optical waveguides are stored. The memory circuit is used to store data items which identify a state of the optical waveguides to be spliced. Stored data... Agent: Corning Incorporated

20090080843 - Polarization maintaining and single polarization optical fiber:

20090080844 - Optical communication system: A photonic bandgap fiber includes a core formed by a hole at its center, an outer cladding formed around the core, and an inner cladding formed between the core and the outer cladding, in which a two-dimensional Bragg grating is formed by periodically arranging a medium having a different refractive... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090080845 - Photonic bandgap fiber: A photonic bandgap fiber includes a hollow core formed along a center axis of the photonic bandgap fiber, through which a light propagates and a cladding region made of silica glass. The cladding region includes air holes forming a triangular lattice arranged around the hollow core. A lattice constant of... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090080846 - Optical waveguide and method for manufacturing the same: The present invention provides a wafer level optical waveguide and a method for manufacturing the same, wherein it can be realized by employing manufacture process for semiconductor integrated circuits to manufacture a micron optical waveguide with a smooth interface, uniform thickness and a mirror-like end with any angle, and to... Agent: Frommer Lawrence & Haug

20090080847 - Optical waveguide and method for manufacturing the same: The present invention provides a wafer level optical waveguide and a method for manufacturing the same, wherein it can be realized by employing manufacture process for semiconductor integrated circuits to manufacture a micron optical waveguide with a smooth interface, uniform thickness and a mirror-like end with any angle, and to... Agent: Frommer Lawrence & Haug

20090080848 - Optical waveguide and method for manufacturing the same: The present invention provides an optical waveguide including: a cladding; at least one core embedded in the cladding; and a colored layer that is provided at a portion substantially overlapping with the core when viewed from a direction substantially perpendicular to the principal surfaces of the optical waveguide, and that... Agent: Sughrue Mion, PLLC

20090080849 - Blank plate for managing cables: A blank or parking plate for managing cables, particularly fiber optic cables, having a planar base, removably securable to a chassis, and at least one resilient holder removably inserted through an aperture in the base, for securing and enclosing an end portion of a cable. The blank plate with at... Agent: Fitzpatrick Cella Harper & Scinto

20090080850 - Optical fiber ferrule retainer: An optical fiber ferrule retainer, for retaining a ferrule in a state in which the ferrule is inserted into a ferrule insertion hole in an axial direction of the ferrule insertion hole, comprises: a retainer base part; and a retention member replaceably attached to the retainer base part. The retention... Agent: Birch Stewart Kolasch & Birch

20090080851 - Radiation curable coating composition for optical fiber with reduced attenuation loss:

20090074346 - Hybrid electro-optic polymer/sol-gel modulator: A hybrid EO polymer/sol-gel modulator in which the sol-gel core waveguide does not lie below the active EO polymer waveguide increases the higher electric field/optical field overlap factor Γ and reduces inter-electrode separation d thereby lowering the modulator's half-wave drive voltage Vπ, reducing insertion loss and improving extinction.... Agent: Eric A. Gifford

20090074349 - Fabrication of fiber optic probes: h

20090074347 - Fiber bragg grating for high temperature sensing: A method of fiber core material band gap engineering for artificially modifying fiber material properties is provided. The method includes doping the fiber core material with one or more atoms for enhancing photosensitivity to the fiber material. The method also includes co-doping the fiber core material with one or more... Agent: General Electric Company Global Research

20090074348 - Harsh environment temperature sensing system and method: A gasification distributed temperature sensing system is disclosed. The sensing system includes a gasification vessel and a harsh environment fiber sensing cable package disposed within the gasification vessel, the sensing cable package includes a thermally conductive enclosure and at least one sensor cable including a distributed array of high-temperature fiber... Agent: General Electric Company Global Research

20090074352 - Bidirectional optical transmission device: In a bidirectional optical transmission device, a light-emitting element and a light-receiving element are mounted on one side of a base material and are sealed with an optically permeable resin section. The resin section includes a light emitting side resin section and a light receiving side resin section, and a... Agent: Birch Stewart Kolasch & Birch

20090074350 - Electrically pluggable optical interconnect: An optical interconnect is provided which may allow flexible high-bandwidth interconnection between chips, eliminate the need for optical alignment between the optoelectrical (OE) die and waveguide during assembly because the OE die is at least partially embedded inside the waveguide (lower cladding layer, upper cladding layer, and core layer), eliminate... Agent: Pearl Cohen Zedek Latzer, LLP

20090074351 - Optical fiber, and optical access network, local area network and optical parts for communication, which use the optical fiber: An optical fiber, and an optical access network, a local area network and optical parts for communication, which uses the optical fiber, are disclosed. The optical fiber whose core diameter is 10 μm˜40 μm has at least two propagation modes in a wavelength over 1200 nm. The optical fiber according... Agent: Oliff & Berridge, PLC

20090074353 - Optical waveguide mounted substrate and method of producing the same: Openings are disposed in an insulating layer to expose a conductor layer. A lower cladding layer is formed, and a resist layer is formed on an insulating layer and the lower cladding layer. Electrolytic plating is performed with using the conductor layer which is connected to the external, as an... Agent: Drinker Biddle & Reath (dc)

20090074354 - Optical waveguide mounted substrate and method of producing the same: A lower cladding layer is formed on a surface of an electrical circuit substrate. A UV curable resin layer is stacked on the lower cladding layer. The resin layer is partly cured, and the other uncured resin layer is removed, thereby forming resin projections. The resin projections are processed so... Agent: Drinker Biddle & Reath (dc)

20090074355 - Photonically-coupled nanoparticle quantum systems and methods for fabricating the same: Various embodiments of the present invention are directed to photonically-coupled quantum dot systems. In one embodiment of the present invention, a photonic device comprises a top layer, a bottom layer, and a transmission layer positioned between the top layer and the bottom layer and configured to transmit electromagnetic radiation. The... Agent: Hewlett Packard Company

20090074356 - Waveguide comprising an anisotropic diffracting layer: The invention relates to an edge-lit slab waveguide equipped with a slanted anisotropic holographic layer, which couples out linearly polarized light. The invention further relates a new slanted anisotropic holographic layer suitable for use on the waveguide according to the invention, to a method to prepare such layer, and devices... Agent: Nixon & Vanderhye, PC

20090074357 - Surface warp resistant optical devices: In at least one example, an optical component includes a central optical surface proximate an optical axis, a peripheral portion extending radially from the central optical surface, and a stepped portion between the central optical surface and the peripheral portion. The stepped portion may be formed to raise the central... Agent: Workman Nydegger 1000 Eagle Gate Tower

20090074358 - Beam apodization for a planar solid immersion mirror: An apparatus includes a planar waveguide, first and second gratings for coupling electromagnetic radiation into the planar waveguide, and a beam shaper for controlling the amplitude distribution of the electromagnetic radiation that impinges on the first and second gratings. A method of coupling electromagnetic radiation into a planar waveguide is... Agent: Pietragallo Gordon Alfano Bosick & Raspanti, LLP

20090074359 - Shuttered adapter: A shuttered adapter for a communications connector is formed of two pieces in the form of a retainer and a door. The retainer is formed of plastic and includes facing resilient lips for snap-on attachment to a connector body. A resilient tab and a first hinge portion are integrally formed... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20090074361 - Fiber optic connector with double-clad stub fiber: A fiber optic connector having a double-clad specialty optical stub fiber with a deep index core-to-inner-cladding profile and a raised index outer-cladding profile. The double-clad optical stub fiber abuts against a single-clad field optical fiber of the single-mode type to form an interface across which the primary mode traverses without... Agent: Panduit Corp.

20090074360 - Optical connector kit: To provide an optical connector kit in which all connector parts contained in a containing case, wherein said connector parts includes a ferrule equipped with an optical fiber employed, in which a short length optical fiber is fixed to the ferrule and the ferrule is subjected to polishing at the... Agent: Knobbe Martens Olson & Bear LLP

20090074362 - Fusion splicing structure of optical fibers: The present invention is a splicing structure of optical fibers for fusing a double clad fiber and a single clad fiber, the splicing structure is provided with a block covering a fusion splicing point of the double clad fiber and the single clad fiber, and which is made of a... Agent: Sughrue Mion, PLLC

20090074364 - Dry fiber optic cables and assemblies: A fiber optic cable includes at least one optical fiber, at least one strength member, at least one dry insert, and a cable jacket. The cable jacket has a cavity with a generally rectangular cross-section with the at least one optical fiber and the at least one dry insert disposed... Agent: Corning Incorporated

20090074363 - Optical tube assembly having a dry insert and methods of making the same: An optical tube assembly having at least one optical waveguide, at least one dry insert, and a tube. The at least one optical waveguide is disposed within the tube and generally surrounds the at least one optical waveguide. In one embodiment, the dry insert has a first layer comprising a... Agent: Corning Incorporated

20090074365 - Multi-layered water blocking cable armor laminate containing water swelling fabrics and method of making such: This invention discloses a multi-layered laminate armor wrap for use with a copper or fiber optic cable having at least one water absorbing fabric layer, at least one polymer layer, and at least one layer fabricated from a metal or a metal alloy. Each layer in the multi-layered laminate armor... Agent: Reynolds Packaging Group C/o Greenberg Traurig, LLP

20090074366 - Optical fiber line arranging guide groove capable of sensing optical signals: An optical fiber line arranging guide groove capable of sensing optical signals is provided, which is used for solving a problem that optical fiber lines are disordered and hard to be arranged due to an excessive large number of optical fiber lines existed, and further used for detecting the status... Agent: Bacon & Thomas, PLLC

20090074367 - Buoyancy neutral fiber optic cable: A robust fiber optic cable is well suited for harsh environments, such as undersea environments, as a communication link to a mobile undersea vehicle. In preferred embodiments, the fiber optic cable is constructed to have neutral buoyancy in salt water. The fiber optic cable may include one single mode optical... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20090074368 - Electrical contact apparatus for optical waveguides: An optical apparatus includes a waveguide configured to propagate optical energy; an electrical contact surface; and a semiconductor electrical interconnect extending from a first surface of the optical waveguide to electrical communication with the electrical contact surface. The semiconductor electrical interconnect comprises a geometry configured to substantially confine the optical... Agent: Hewlett Packard Company

20090074370 - Fiber optic enclosure with internal cable spool: A fiber optic enclosure assembly includes a housing having an interior region and a bearing mount disposed in the interior region of the housing. A cable spool is connectedly engaged with the bearing mount such that the cable spool selectively rotates within the housing. A termination module disposed on the... Agent: Merchant & Gould PC

20090074369 - Multi-port optical connection terminal: An optical device includes at least one optical fiber cable receiving area for receiving at least one optical fiber cable, the receiving area being sized to receive a covering for covering at least a portion of the transition area, and at least one optical fiber cable transition portion disposed at... Agent: Corning Incorporated

20090074371 - Stackable splice chip device: A splice tray arrangement including a tray and a splice chip arrangement. The splice chip arrangement including stackable splice chips defining channels for holding splice elements. Each of the splice chips including a mounting arrangement for mounting the splice chip at a mounting location on the tray, and a stacking... Agent: Merchant & Gould PC

20090074372 - Telecommunications connection cabinet: A telecommunications connection cabinet includes a termination region, a fiber optic splitter mounting location, and a predetermined connector storage region positioned within an interior of a housing. The termination region includes telecommunications adapters, each telecommunications adapter being configured for coupling together two fiber optic connectors such that an optical interconnection... Agent: Merchant & Gould PC

20090074373 - Optical filter: (wherein R4 represents a hydrogen atom, an alkyl group optionally having substituent(s) or the like, R5 represents a hydrogen atom, a halogen atom or the like, and R6, R7, R8 and R9 may be the same or different and each represents a hydrogen atom, a halogen atom, an alkyl group... Agent: Fitzpatrick Cella Harper & Scinto

20090074374 - Curable composition for optical material and optical waveguide: A curable composition for an optical material including a specific silicon-containing polymer (A), a specific epoxy resin (B) and an energy ray-sensitive cationic polymerization initiator (C) as essential components.... Agent: Wenderoth, Lind & Ponack, L.L.P.

20090067770 - Lithium niobate optical modulator: An optical modulator comprises a Z-cut lithium niobate substrate on which is formed a Mach-Zehnder interferometer having two generally parallel waveguides lying beneath a buffer layer of dielectric material. First and second ground electrodes and a hot electrode are disposed on the buffer layer, the first and second ground electrodes... Agent: John C. Carey Moser, Patterson & Sheridan, L.L.P.

20090067771 - High efficient silicon-on-lithium niobate modulator: A modulator includes an electro-optical substrate and a first and second waveguide formed of a doped semiconductor material positioned on a surface of an electro-optical substrate forming a slot therebetween. A doping level of the semiconductor material being chosen to make the first and second waveguide conductive. A dielectric material... Agent: Rauschenbach Patent Law Group, LLC

20090067772 - Microwave photonic delay line with separate tuning of optical carrier: This invention provides a tunable delay of an optical signal having a carrier with an angular frequency ω0 and a single side band having a signal band with a median angular frequency ωr. The delay line comprises at least a first, a second and a third integrated resonators coupled sequentially... Agent: Nadejda Reingand

20090067773 - Rapidly tunable wavelength selective ring resonator: A system and method are disclosed for a rapidly tunable wavelength selective ring resonator. An embodiment of a voltage-tunable wavelength selective ring resonator includes a ring-shaped waveguide formed on a semiconductor substrate, an electro-optic cladding layer formed over the ring-shaped waveguide, and voltage applying means for applying a voltage across... Agent: Hugh P. Gortler

20090067774 - Tunable resonant leaky-mode n/mems elements and uses in optical devices: Mechanically tunable electromagnetic and photonic devices featuring enhanced spectral tunability with minimal mechanical movement are provided. These nano/micro-electromechanically (N/MEMS) tunable elements, including filters and pixels, rely on leaky-mode resonance effects in subwavelength photonic lattices that constitute periodic wavelengths. Such elements can operate in reflection (bandstop) or transmission (bandpass) modes, and... Agent: Basam E. Nabulsi Mccarter & English, LLP

20090067775 - Fiber optic chemical sensor: Optical systems for sensing chemicals. An example system includes a light source, a light sensor, a processing device in signal communication with the light source and the light sensor, and a fiber optic cable that receives light from the light source and delivers light to the light sensor. The fiber... Agent: Honeywell International Inc. Patent Services Ab-2b

20090067776 - Optical fibers: One or more silica optical fibers (22), especially for use in downhole distributed temperature sensing and similar applications, are deployed in a corrosion resistant metal alloy control line (20) which is electrically insulated with, for example, EPDM. The insulation layer may be covered by a fluid resistant sealing layer (26),... Agent: Schlumberger Reservoir Completions

20090067777 - Pipeline security system: The present invention provides a security system for a pipeline, such as an oil, gas or water pipeline, or other tubular, elongated or other structures used to convey various other liquid, gaseous or fluent materials. The invention is also useful in protecting a tunnel such as a vehicular tunnel. A... Agent: Weingarten, Schurgin, Gagnebin & Lebovici LLP

20090067779 - Flexible optoelectric interconnect and method for manufacturing same: A flexible optoelectric interconnect includes: an optoelectric film, a driving IC, an optical semiconductor device, a heat dissipation plate and a thermally conductive material. The optoelectric film has an electrical interconnect layer made of a single layer and an optical interconnect layer including an optical waveguide core and an optical... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090067778 - Hybrid integrated structure of one or more optical active devices and plc device using optical fiber array: A hybrid integrated structure of an optical active device and a Planar Lightwave Circuit (PLC) device using an optical fiber array is provided, in which one or more photodiodes are integrated on an upper cladding layer above one or more planar optical waveguides. A section located on a boundary surface... Agent: Drinker Biddle & Reath LLP Attn: Patent Docket Dept.

20090067780 - Wavelength selective switch: In a wavelength selective switch according to the present invention, an isolator is disposed between a lens array and a first lens. The isolator includes an isolator element and a transmitting means. The isolator is disposed so that the isolator element is on light paths of input lights and that... Agent: Darby & Darby P.C.

20090067781 - Optical switch: The present invention discloses an optical switch having an optical switching function as well as an add/drop function. The optical switch includes two add optical fibers and two drop optical fibers. In addition to the optical switching function of the optical switch achieved by four movable mirrors, the optical switch... Agent: Hoffmann & Baron, LLP

20090067782 - Semiconductor optical switch: A semiconductor optical switch may include an optical waveguide, a first electrode, and a first reflector. The optical waveguide may include a branching point, a first incoming path and first and second outgoing paths. The first electrode is provided at the branching point to give carrier injection into the branching... Agent: Sughrue Mion, PLLC

20090067783 - Method of tuning an adjustable dispersion compensator: In the present invention, a method of controlling a tuneable optical dispersion compensating device to act on an optical signal by automatically controlling a plurality of dispersion control settings of the device in a systematic way using feedback, thereby to adapt freely the optical group delay for the optical signal... Agent: Workman Nydegger 1000 Eagle Gate Tower

20090067784 - Compact optics for concentration, aggregation and illumination of light energy: A solar concentrator having a concentrator element for collecting input light, a redirecting component with a plurality of incremental steps for receiving the light and also for redirecting the light, and a waveguide including a plurality of incremental portions enabling collection and concentration of the light onto a receiver. Other... Agent: Foley & Lardner LLP

20090067785 - Optical device comprising an apodized bragg grating and method to apodize a bragg grating: An optical device, i.e., a wavelength selective filter, includes a grating having a finite length and is capable of filtering a given first wavelength within an operating wavelength region, said grating including a plurality of consecutive sections, each section including two sub-sections: a first sub-section having a first period Λ... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090067786 - Optical waveguide device and light outputting module: An optical waveguide device includes: a waveguide core that guides light; a mirror surface that deflects light coming from the waveguide core by 90°; a main waveguide core that guides light deflected at the mirror surface; a waveguide core for monitoring that branches the light deflected at the mirror surface... Agent: Sughrue Mion, PLLC

20090067787 - Optical system and method of manufacturing the same: An optical system comprising a substrate and an optical waveguide which is formed on the substrate and to which optical fibers are optically coupled. The optical waveguide has a plurality of straight core portions which obliquely intersect each other. The substrate has positioning sections for positioning a plurality of optical... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090067788 - Electrical to optical and optical to electrical connector system: A connector module for interfacing electrical or optical connectors to electrical systems such as an audio/visual signal processing board. The module includes a housing defining at least first and second faces, at least the second face being less than about one square inch in area. There is a first electrical... Agent: Mirick, O'connell, Demallie & Lougee, LLP

20090067789 - Dual inner diameter ferrule device and method: A fiber optic ferrule includes a body extending from a first end to a second opposite end, with the body including an axial passage extending between the first and second ends. The axial passage includes a first diameter portion having a diameter of at least 125 microns, and a second... Agent: Merchant & Gould PC

20090067790 - Ferrule transfer method and ferrule holder: Other end of a built-in optical fiber of a ferrule with one end of the built-in optical fiber matched with a splicing end surface and other end of the built-in optical fiber protruded from an end portion opposite to the splicing end surface and one end of a splicing optical... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090067791 - Optical tube assembly having a dry insert and methods of making the same: An optical tube assembly having at least one optical waveguide, at least one dry insert, and a tube. In one embodiment, the dry insert has a first layer and a second layer. The first layer is a polyurethane foam and the second layer is a water-swellable layer, wherein the dry... Agent: Corning Incorporated

20090067792 - Fiber-optic cable: Step-index optical waveguides are made of multicomponent glass containing a core glass and an outer glass which entirely surrounds the core class. A fiber-optic cable for conducting electromagnetic radiation, contains at least one bundle of individual fibers which encompass the step-index optical waveguides that are made of multicomponent glass containing... Agent: Lerner Greenberg Stemer LLP

20090067793 - Multiple core microstructured optical fibre: A multicore optical fibre includes a microstructured cladding material formed from a plurality of cladding elements arranged in an array and each cladding element comprising at least two different materials each having different refractive indices, and a plurality of core elements formed within interstitial regions between adjacent cladding elements. A... Agent: Nixon & Vanderhye, PC

20090067795 - Optical fiber configuration for dissipating stray light: An optical transmission fiber is formed to include a relatively low-index, relatively thin outer cladding layer disposed underneath the protective polymer outer coating. Stray light propagating along an inner cladding layer(s) within the fiber will be refracted into the thin outer cladding (by proper selection of refractive index values). The... Agent: Wendy W. Koba, Esq.

20090067794 - Plastic optical fiber cable: The invention provides a plastic optical fiber cable comprising a plastic optical fiber having a core/clad structure, a light blocking coating layer provided around the plastic optical fiber, and a protective coating layer provided between the outermost layer of the core/clad structure and the light blocking coating layer. The outermost... Agent: Fitch, Even, Tabin & Flannery

20090067796 - Polymer optical waveguide and method for manufacturing the same: A polymer optical waveguide includes: an optical waveguide portion that includes a core and a cladding each formed of polymer material; and a conductive line that is installed along the core integrally with the optical waveguide portion, and that has an electrode surface for external connection exposed on a surface... Agent: Sughrue-265550

20090067799 - Optical device and optical device manufacturing method: Scattering loss at a reflecting or transmitting end face of an optical unit is reduced, and the end face is easily manufactured at low cost. An optical waveguide cable (2) as an optical device is provided, as an optical unit, with a core layer (231, 232) serving as an optical... Agent: Frishauf, Holtz, Goodman & Chick, PC

20090067798 - Optical waveguide film and manufacturing method thereof: An optical waveguide film includes a film including a clad layer and a core layer covered by the clad layer; and an adhesive layer formed at least on one surface of the film, having a rough structured surface having an arithmetic mean surface roughness of 0.1 to 2.0 μm, and... Agent: Akerman Senterfitt

20090067797 - Optical waveguide radiation control: An integrated optical planar waveguide chip comprising materials and structures such as substrates, adhesives, capping materials, and waveguide structures which are absorbing at the wavelength of the working radiation.... Agent: Lng/kla 2 Joint Customer Number C/o Luedeka, Neely & Graham, P.C.

20090067801 - Cable manager including nestable radius limiter: A cable radius limiter having a radius limiting surface that prevents damage to cables due to excessive bending. The cable radius limiter includes mounting structure and cable retaining structure arranged such that the limiter can be operably oriented and mounted to a mounting bracket in both a first mounting orientation... Agent: Attention: Karen A. Fitzsimmons Merchant & Gould P.C.

20090067802 - Distributor system and method for optical fibers: Certain embodiments of a device for coupling fibre optic cables include at least one module equipped with at least one retaining unit for retaining at least two cassettes. Each cassette, which is configured with at least one coupling element, is pivotally and removeably attached to the retaining unit. Each cassette... Agent: Merchant & Gould PC

20090067800 - Fiber optic adapter module and tray: A fiber optic adapter module and tray. The fiber optic adapter module supports fiber optic adapters for fiber optic connections. The fiber optic adapter module may be included on an extendible tray portion of a fiber optic equipment tray and selectively configured to be tilted when extended for providing enhanced... Agent: Corning Incorporated

20090067803 - Overhead cable termination arrangement: A system including an overhead cable pathway structure and an adapter panel or cable termination device that mounts overhead to the cable pathway structure. The cable termination device including a plurality of adapters and a cable pathway exit having a curved surface that guides cables exiting from the overhead cable... Agent: Merchant & Gould PC

20090067804 - Splitting apparatus and manipulating apparatus for optical waveguides: A splitting apparatus and manipulating apparatus for optical waveguides is disclosed. The splitting apparatus has a bottom plate, a first side and a second side. At least one bundled core guide device, which is used for guiding and/or restraining a plurality of bundled cores, can be inserted into a first... Agent: Corning Incorporated

20090060409 - Optical focal plane data coupler: Systems are disclosed that utilize electrical signals from detectors of an imaging focal plane array or antenna elements of an antenna array to modulate optical signals. Antenna or focal plane array elements are coupled to optical waveguides by way of whispering gallery mode resonators made of electro-optic material. The resonators... Agent: Mcdermott Will & Emery LLP

20090060410 - Stacked three diminesional photonic crystal, light emitting device, and image display apparatus: Provided is a light emitting structure which can emit light having a plurality of wavelength distributions from a single light emitting structure, can be integrated at high density, and can control a radiation mode pattern of radiation light and polarization thereof. A stacked three-dimensional photonic crystal is composed of a... Agent: Fitzpatrick Cella Harper & Scinto

20090060411 - Planar magnetization latching in magneto-optic films: A latching magnetic structure in the resonant cavity of magneto-photonic crystal films with in-plane magnetization. Also disclosed is a method for the fabrication and observation of a latching magnetic structure.... Agent: Michael Best & Friedrich LLP

20090060412 - High-power high-frequency photodetector: A photodetector includes an optical distribution device having an optical input that receives an input optical signal and an optical waveguide grating coupler that converts the input optical signal from a longitudinal direction radiation mode to a surface-emitted radiation mode and that distributes the optical signal along a length of... Agent: Rauschenbach Patent Law Group, LLC

20090060413 - Anti-intrusion device for fences or the like: An anti-intrusion device for fences or the like, comprising at least one, preferably two or more cables (3), each one composed of at least one or a bundle of optical fibres (103) and of an outer protection sheath (203), which optical fibre cables (3) are subtended in a substantially longitudinal... Agent: Themis Law

20090060415 - Fiber optic cavity: A novel Fabry-Perot resonance cavity has been recognized. This cavity is formed by simple planar and concave mirrors that attached at the fiber ends. The concave mirror is precisely aligned to the core of the fiber. The concave lens is fabricated on the thin polymer film by making an indentation... Agent: Youngmin Choi

20090060414 - Optical waveguide device, optical module and method of aligning optical axes thereof: An optical waveguide device includes: a channel waveguide which is positioned at a predetermined height relative to a bottom surface of a substrate; and a slab waveguide having a cross-sectional shape wider than that of the channel waveguide, being positioned at a predetermined height relative to the channel waveguide. Initially,... Agent: Sidley Austin LLP

20090060416 - Wavelength selective switch: A wavelength selective switch of the present invention angularly disperses lights output from a plurality of input ports of an input and output optical system, to an X-direction, according to wavelength, by a diffraction grating to supply the dispersed lights to a condenser lens. The condenser lens is arranged so... Agent: Staas & Halsey LLP

20090060417 - Optical fiber fundamental mode field expander: A device for providing an expanded mode field from a single mode optical waveguide is formed by fusing a length of single mode optical fiber with a length of fiber rod absent a cladding and adiabatically tapering the fused region. The length of single mode fiber has a core having... Agent: Teitelbaum & Maclean

20090060418 - Bare fiber adapter: A system and method for testing a bare fiber optic. An actuator disposed on an adapter is engaged. The bare fiber optic is received in an insertion hole of the adapter for ensuring contact between the bare fiber optic and a test adapter in response to the actuator being engaged.... Agent: Ip Department Sonnenschein Nath & Rosenthal LLP

20090060419 - Connector enclosure: A connector enclosure for enclosing a cable assembly includes a main body that has a first body portion and a second body portion. The first body portion is adapted for selective releasable engagement with the second body portion. Each of the first and second body portions defines a cavity having... Agent: Merchant & Gould PC

20090060420 - Fiber optic connector having hermaphroditic coupling mechanism: A hermaphroditic connector for mounting to a cable having a plurality of optical fibers and connecting the fibers to mating optical fibers wherein the optical fibers and mating optical fibers have termini mounted to the respective ends thereof, and wherein the termini of at least one of the optical fibers... Agent: Howison & Arnott, L.l.p

20090060421 - Optical fiber cable inlet device: An inlet device is described for inserting a cable containing optical fibers into a telecommunications enclosure. The inlet device includes a housing with a strength member securing section configured to fasten at least one strength member to the housing. The inlet device further includes a fiber guide device. The inlet... Agent: 3m Innovative Properties Company

20090060422 - One-piece lc type optical fiber adapter: A one-piece LC type optical fiber adapter is provided. The LC type adapter of the present invention has fewer parts than a conventional one. Therefore, it is simpler and easier to assemble the LC type adapter of the present invention. In addition, the main body of the LC type adapter... Agent: Lowe Hauptman Ham & Berner, LLP

20090060423 - 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 Incorporated

20090060425 - Active optical cable with integrated control features: An active cable that is configured to communicate over much of its length using one or more optical fibers, and that includes an integrated electrical connector at least one end. The active cable can include a circuit disposed in the integrated cable, the circuit configured to provide pre-emphasis of the... Agent: Workman Nydegger 1000 Eagle Gate Tower

20090060424 - Optoelectronic combination connector: An optoelectronic combination connector includes a plug unit having an optoelectronic converter and a receptacle unit detachably attached to the plug unit. The plug unit has a fiber securing member with a groove, so that an optical fiber cable connected to the optoelectronic converter is secured to the groove with... Agent: Kubotera & Associates, LLC

20090060426 - Optical module: An optical module having a second connector unit mounted on the bottom of a first connector unit to reduce the size of the radiation member and the optical module. The optical module includes a first connector unit, a radiation member provided on a first side of the first connector unit... Agent: Cha & Reiter, LLC

20090060428 - Methods for accessing a fiber within a fiber optic cable to splice thereto and tools for use with the same: Apparatus for accessing a length of a selected one or more of a plurality of optical fibers within an outer protective jacket of a cable including the plurality of optical fibers and at least one strength member extending longitudinally therein include a cable positioning fixture. The cable positioning fixture is... Agent: Marguerite E. Gerstner Tyco Electronics Corporation

20090060427 - Quick terminated fiber optic termini and fiber optic cable, and method for making: A quick terminating fiber optic assembly and method of making same is provided. A pre-terminated fiber optic assembly having an optical fiber already terminated therein includes an exposed optical fiber. The exposed fiber is aligned and contacted with a second exposed optical fiber of another optical cable, and the two... Agent: Docket Clerk

20090060429 - Filled core optical fiber spliced to optical fiber and method of making the same: A filled-core optical fiber (100) spliced to conventional, solid core optical transmission fiber (175) and a related method of making the same are provided. The optical fiber (100) comprises a core region (140), a cladding ring (120) enclosing the core region (120), and an outer cladding layer (160). A fill... Agent: Harris Corporation C/o Darby & Darby PC

20090060430 - Fiber-optic cable and method of manufacture: A fiber-optic cable with low buffer insertion force, significant kink resistance, and improved thermal performance incorporating a dual layer buffer of a low density material beneath a continuous seamless high modulus material without compromising low smoke, toxicity, and flammability.... Agent: Wood, Herron & Evans, LLP

20090060431 - Indoor fiber optic distribution cable: A fiber optic distribution cable including a main cable having a plurality of branch locations. Branch cables divert from the main cable at the branch locations. The branch cables are secured to branch anchors located at the branch locations. Optical fibers are routed through the branch anchors from the main... Agent: Merchant & Gould PC

20090060432 - Light transmitting body and optical interconnection system: An optical transmission medium includes a GI optical fiber that is made of silica glass. The GI optical fiber includes a core having a graded-index refractive index profile and a cladding formed around the core. The GI optical fiber is bent by equal to or more than a quarter turn... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090060433 - Optical fiber: An optical fiber made of silica-based material includes a core and a cladding formed around the core. The core is doped with germanium dioxide, which increases refractive index and decreases acoustic-wave velocity, and aluminum oxide, which increases both refractive index and acoustic-wave velocity, satisfying −2.814+0.594×W1≦W2≦54.100+0.218×W1, W1+W2≦60, and W2≧56.63−2.04×W1, where W1... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090060435 - Polarization maintaining and single polarization optical fiber: An optical fiber, comprising: (i) a core, (ii) a cladding surrounding the core, (iii) at least one stress member adjacent the fiber core and situated within the cladding, said stress member comprising silica co-doped with B and F.... Agent: Corning Incorporated

20090060434 - Waveguide device: A waveguide device includes a substrate and a first electrode, a first cladding layer, a waveguide, a second cladding layer, and a second electrode sequentially provided on the substrate. At least one of the first cladding layer, the waveguide, and second cladding layer includes a ligand compound which is capable... Agent: Sughrue Mion, PLLC

20090060436 - Large effective area high sbs threshold optical fiber: Microstructured optical fiber for transmitting optical signals comprised of light, the optical fiber including a core region and a cladding region surrounding the core region, the cladding region including at least one annular region having an index of refraction lower than that of the remainder of the cladding. The optical... Agent: Corning Incorporated

20090060437 - Bend insensitivity in single mode optical fibers: An optical fiber that is relatively insensitive to bend loss comprises a core region and a cladding region configured to support and guide the propagation of light in a fundamental transverse mode, the cladding region including (i) an outer cladding region having a refractive index less than that of the... Agent: Michael J. Urbano

20090060438 - Optical fiber and production method thereof: An optical fiber, which has a zero-material dispersion wavelength equal to or greater than 2 μm, and a high nonlinear susceptibility χ3 equal to or greater than 1×10−12 esu, and uses tellurite glass having sufficient thermal stability for processing into a low loss fiber, employs a PCF structure or HF... Agent: Workman Nydegger 1000 Eagle Gate Tower

20090060441 - Fiber optic enclosure with tear-away spool: A fiber optic enclosure includes a housing and a cable spool assembly disposed on an exterior surface of the housing. The cable spool assembly has a first tear-away end and a second tear-away end. The first and second tear-away ends include at least one area of weakness extending from an... Agent: Merchant & Gould PC

20090060439 - Fiber optic terminal assembly: There is provided fiber drop terminal (“FDT”) assemblies for providing selective connections between optical fibers of distribution cables and optical fibers of drop cables, such as in multiple dwelling units. The FDT assemblies include a base and a cover that define a tongue and groove that selectively engage to seal... Agent: Corning Incorporated

20090060442 - Junction box housings for surface inlaid fibre optic network installations: A system for protecting buried optic fibre nodes which permits surface inlay installation of cable without the need to expose free ends of the cable for threading through any apertures, includes a protective housing composed of spaced apart panels which define an interior space. The panels open to expose the... Agent: Mcdermott, Will & Emery LLP Attn:IPDepartment

20090060440 - Optical fiber fanout devices and methods for forming the same: Optical fiber fanout devices include a housing having a fiber telescoping cavity therein. An optical fiber tubing receiving opening in the housing extends to the fiber telescoping cavity. The optical fiber tubing receiving opening is configured to secure a plurality of optical fiber tubes therein. An optical fiber receiving opening... Agent: Marguerite E. Gerstner Tyco Electronics Corporation

20090060443 - Optical polishing fixture: An optical polishing fixture for securing one or more optical connectors can include a fixture base having a connector slot for receiving an optical connector and a clamping assembly mounted to the fixture base proximate the connector slot. The connector slot can be defined by at least one side wall... Agent: Intellectual Property Group Fredrikson & Byron, P.A.

20090060445 - Fiber optic cable control clips and enclosure assemblies and methods incorporating the same: An enclosure assembly for use with a fiber optic cable, the cable having a lengthwise cable axis and including a plurality of optical fibers and a jacket surrounding the optical fibers includes an enclosure housing and a cable control clip. The enclosure housing defines a chamber to receive the cable.... Agent: Marguerite E. Gerstner Tyco Electronics Corporation

20090060444 - Optical fiber holder and heat sink: An optical fiber holding device is disclosed having an optical fiber held therein. The device has a base with a spiral channel in an upper surface holding and housing the optical fiber. The channel has a first location where the fiber enters leading to a plurality of turnings for holding... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.