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Optical waveguides July category listing 07/06

20060165336 - Self-adapting limiter: A limiter for limiting selected frequency components by generating Stokes waves in a stimulated Brillouin scattering medium. The generated Stokes waves create a seed that is provided to another stimulated Brillouin scattering medium. The seed selecting the undesired frequency components to be attenuated....

20060165337 - Optical modulator: An optical modulator 20 including a substrate with an electro-optic effect, a plurality of optical waveguide sections 10 formed on the substrate, and a plurality of modulation electrodes 21 and 22 for modulating lights passing through the optical waveguide sections, and into which identical modulation signals having a predetermined phase...

20060165338 - Fiber optic mechanical/thermal tuning and isolating device: A tunable fiber optic component providing environmental isolation, thermal tuning, and mechanical tuning and a method of tuning a fiber optic component using application of substantially simultaneous varying of temperature and mechanical strain is disclosed. A method of using a tunable fiber optic component, for example, a distributed feedback fiber...

20060165339 - Thermally-controlled fiber optic tuning and isolating device: A tunable fiber optic component providing environmental isolation, thermal tuning, and mechanical tuning and a method of tuning a fiber optic component using application of substantially simultaneous varying of temperature and mechanical strain is disclosed. A method of using a tunable fiber optic component, for example, a distributed feedback fiber...

20060165340 - Thermo-optic waveguide device and manufacturing method thereof: A thermo-optic waveguide device of a low cost, with low power consumption and low thermal stress, and having excellent mass-productivity, and a manufacturing method thereof are provided. The thermo-optic waveguide device includes, on a substrate, an optical waveguide and a thin-film heater that exerts a thermo-optic effect on the optical...

20060165341 - Photodetector coupled to a planar waveguide: An improved electro-optical system has a planar waveguide coupled to a photodetector through a transparent substrate. The planar waveguide is within a planar optical structure that can be part of optical communication network. The photodetector is positioned to receive light that passes from the waveguide through the transparent substrate. The...

20060165343 - Method and apparatus for sensing light: Disclosed is an optical apparatus including an optical fiber having a wavelength of operation, the optical fiber comprising a first length of the optical fiber joined to a second length of the optical fiber with a splice such that the first and second lengths are in optical communication; a photodetector...

20060165342 - Microfluidic sensors and methods for making the same: Microfluidic optical sensor comprising: an optical waveguide capable of propagating light from an optical input port to an optical output port, the optical waveguide comprising an optical waveguide interaction region; a fluidic channel capable of conducting a fluid from a fluid input port to a fluid output port, the fluidic...

20060165344 - Fiber optic sensor and sensing system for hydrocarbon flow: An assembly senses fluid pressure variations within a passageway along a length of a flowline. A fiber optic cable is disposed axially within the passageway of the flowline. The fiber optic cable experiences a mechanical strain responsive to variations in the fluid pressure of the fluid communicating through the passageway...

20060165345 - System and method for integrating optical layers in a pcb for inter-board communications: Polymers of differing refraction indices are embedded within a PCB to provide optical connectivity of the PCB with other circuit boards via an optic backplane. The creation of islands of polymer material of refractive index n1 completely surrounded by polymer material with refractive index n2 where n1 has a higher...

20060165346 - Wavelength selective switch: A spectrally selective optical switch is disclosed. The switch comprises a first and a second optical waveguide each having a light guiding structure arranged to guide light along a predetermined path, the optical waveguides parallel to each other; an external resonator defined by a first and a second mirror, said...

20060165347 - Optical switch: An optical switch for switching the connection of one or more movable optical fibers to one or more stationary optical fibers, comprising a movable soft magnetic block connected to an end portion of each movable optical fiber, a stationary soft magnetic block connected to each stationary optical fiber and fixed...

20060165348 - Optical switch: An optical switch changes over transmission paths of an optical signal by a refractive index change. The optical switch has an optical waveguide layer having an optical waveguide whose output path of an optical signal branches into two, and reflection diffusing ditches which are provided in a portion outside the...

20060165349 - Monolithic optical component: The present invention relates to a monolithic optical component (400) comprising a light-absorbing layer and a waveguide structure (2). The invention is more particularly adapted to a monolithic component (400) comprising an evanescent coupling photodiode (6) integrated with the waveguide (2). The monolithic optical component (400) comprises a light-absorbing layer...

20060165350 - Method for obtaining the image of an object, device for carrying out said method and device for delivering low coherent optical radiation: The invention relates to studies of internal structures of objects with the aid of optical means. According to the invention an optical system (15) of the delivering device for low coherence optical radiation, in a particular embodiment, an optical fiber probe (8), includes at least two lens components (19), (20),...

20060165351 - Optical device unit, optical device and microlens array: An optical device unit including optical fibers for input and output, a lens and a reflective/semitransparent optical element, wherein, to enable optical design with a degree of freedom, lenses the number of which is the same as the optical fibers for input and output are provided and the optical fibers,...

20060165352 - Reversible fiber optic stub fiber connector: 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...

20060165353 - Coaxial cooled laser modules with integrated thermal electric cooler and optical components: An opto-electric module in TO form factor adapted to be coupled with an optical fiber on a first side and a plurality of electrical conductors on a second side. The opto-electric module includes a header with a plurality of pins extending through the header, each pin of the plurality of...

20060165354 - Digital video recording apparatus: A digital video recording apparatus and method is provided which can associate a text-based search function with a graphic-based search function and perform a searching operation according to a user's desired search function, thereby providing searching convenience to the user. The apparatus can display text-based and graphic-based search functions on...

20060165355 - Fiber optic cable having a dry insert and methods of making the same: A fiber optic cable and a method of making the same include at least one optical waveguide, at least one dry insert and a cable jacket. The at least one optical waveguide and at least one dry insert are at least partially disposed within a cavity of the cable jacket....

20060165358 - Compact bundles of light guides with sections having reduced interstitial area: A fiber optic connection system including one or more fiber optic bundles for highly efficient collection, transmission and/or distribution of optical radiation is disclosed. For each bundle, the cladding thickness is reduced or removed along a portion of each fiber, forming uncladded or reduced cladding fiber sections or ends, and...

20060165356 - Cones and cylinders of laser light: A cone-of-light projection system projects a shell of laser light (or other electromagnetic radiation) using a fiber-optic bundle. Incidence optics directs a laser beam to be incident to the fiber-optic bundle at a predetermined angle of incidence, resulting in the projection of a conical shell of light. For the exemplary...

20060165357 - Laser ribbon: A ribbon-of-light projection system projects a substantially uniform ribbon of laser light (or other electromagnetic radiation) using a fiber-optic bundle, piano-mirrors, and a piano-cylindrical lens. Incidence optics directs a laser beam to be incident to the fiber-optic bundle at a predetermined angle of incidence, resulting in the projection of a...

20060165361 - Laser energy transmission optical fiber, laser energy transmission method and laser energy transmission device: A laser energy transmission optical fiber having an optical fiber main body which has a hollow-core region with a diameter greater than a wavelength of transmitted light, an inner clad region which has a solid portion with plurality of holes formed therein, and an outer clad region formed surrounding the...

20060165359 - Light source with a microstructured optica element and miroscope with a light source: A light source with a microstructured optical element which spectrally diffuses the light from a primary source, comprises a lens which focusses the spectrally-diffused light to give an illumination light beam. The lens compensates for the varying divergences of the spectral components of the spectrally diffused light. The invention further...

20060165360 - Method and apparatus for low-loss signal transmission: The present invention relates to the field of radio-frequency (RF) waveguides. More specifically, the present invention pertains to a method and apparatus that provides ultra-low-loss RF waveguide structures targeted between approximately 300 GHz and approximately 30 THz. The RF waveguide includes a hollow core and a flexible honeycomb, periodic-bandgap structure...

20060165362 - Radiation curable composition, optical waveguide and method for formation thereof: A radiation-curable composition containing (A) hydrolyzates of hydrolyzable silane compounds represented by general formula (1): (R1)p(R2)qSi(X)4-p-q (wherein R1 is a non-hydrolyzable organic group having 1 to 12 carbon atoms that contains fluorine atoms, R2 is a non-hydrolyzable organic group having 1 to 12 carbon atoms (but excluding ones that contain...

20060165363 - Semiconductor optical amplifier and optical module using the same: The present invention provides a polarization dependency-free, gain-saturated high function semiconductor optical amplifier and optical module at industrially low cost. The gist of the present invention is to structurally separate the optical signal propagating waveguide from another optical waveguide which serves as a lasing optical cavity for optical amplification in...

20060165367 - Light-guide fixing equipment: A light-guide fixing equipment is described, suitable for assembling a light source and a hank of optical fibers of an optical fiber illuminant device. The light-guide fixing equipment comprises an assembling device and a fixing device. The assembling device is constituted by inserting a first casing into a second casing,...

20060165366 - Optical fiber power splitter module apparatus: Embodiments of the invention include an optical power splitting module apparatus. The module apparatus includes at least one input port, one or more multi-fiber output ports, and an optical fiber-splitter device coupled therebetween. The optical splitter device has a first end configured as at least one single optical fiber, and...

20060165364 - Optical waveguide distribution cabinet: This invention relates to an optical waveguide distribution cabinet (10) comprising a housing (11), a frame (17) which is rotatably mounted in said housing (11) and assemblies which are fixed to said frame (17) and used to connect optical waveguides guided by patch cables (18). The frame (17) is shorter...

20060165365 - System and apparatus for radial optical distribution: Embodiments of the invention include an apparatus and system for managing and radially distributing optical fibers from a first location, such as a central office, to a plurality of destination locations, such as homes within a neighborhood. The apparatus includes a distribution panel having a central hub or ring, and...

20060165368 - Photochromic optical waveguides and emthod for the preparation thereof: An optical waveguide based on a photochromic diarylethene polymer dispersed in a polymeric matrix, and a method for preparing such waveguide is disclosed....

20060165369 - Waveguide devices with low loss clads and tunable refractive indices: Optical waveguide devices that include a polymer clad and a polymer core where the clad includes constitutional units contributed by (a) a monomer selected from the group consisting of a halocatechol diacrylate, a haloresorcinol diacrylate, and a haldhydroquinone diacrylate, and/or (b) a charge transport moiety....

20060165370 - Light guide, line-illuminating device, and image-scanning device: The present invention provides a light guide, a line-illuminating device, and an image-scanning device that provide excellent uniformity in the amount of light produced. A light-reflecting portion comprised of spherical concave surfaces becomes a reflecting surface having spherical convex surfaces when it is seen from the inside of the light...

20060165371 - Medical examination system: The invention refers to a medical examination system (1) comprising a medical examination device (2) and a control device (3) to operate the medical examination device. The control device transmits signals comprising control signals accompanied by an identification code (Key A). The examination device is provided with means (10) to...

20060165372 - Micromachined structure for valve and pump systems: A micromachined structure includes: a first plate formed with a first groove; a second plate disposed over the first plate and formed with a second groove, the second groove meandering across the first groove so as to cooperate with the first groove to form at least two intersections; and an...

20060165373 - Optical component for free-space optical propagation between waveguides: An optical component may comprise a horizontal member with two side walls and a substantially transparent end wall protruding from the horizontal member. The end wall, side walls and horizontal member may partially enclose an interior volume, and optical functionality is imparted in any suitable manner on at least a...

20060159383 - Optical transistor: An optical transistor is disclosed. An apparatus according to aspects of the present invention includes optical waveguide disposed in semiconductor material. A diode structure is disposed in the optical waveguide. The diode structure includes P and N regions. An electrical switch coupled to the P region and the N region...

20060159381 - Semiconductor optical converter: The semiconductor optical converter comprises an n-InP clad layer (12), an optical waveguide layer (13), an SI-InP clad layer (14), and an n-InP clad layer (15) formed sequentially on an SI-INP substrate (11), characterized in that a voltage is applied from an electrode (16) connected with the n-InP clad layer...

20060159382 - Variable optical power limiter: A variable optical power limiter is disclosed. An apparatus according to aspects of the present invention includes an optical waveguide disposed in semiconductor material. An optical beam is to be directed through the optical waveguide. The optical beam is to generate free carriers in the optical waveguide via two-photon absorption...

20060159384 - Optical communication device and optical device: An optical communication device includes a substrate which has electro-optical effect; a first optical modulator which has a pair of waveguides formed in the substrate; a second optical modulator which has a pair of waveguides formed in the substrate; a waveguide coupler which is provided in an out put of...

20060159385 - Extensometer comprising a flexible sensing element and bragg gratings: This extensometer, applied in particular to the monitoring of concrete structures, is intended to measure deformations of a host material and comprises at least one test specimen (18) which undergoes linear bending stresses, and at least one Bragg grating (14) formed in an optic fibre (16) and fixed to the...

20060159386 - Optoelectronic circuit board with optical waveguide and optical backplane: An optical transmission device comprises an optical transmission medium and a plurality of optical receivers, and the optical transmission medium has a linear line waveguide. At least one of the optical receivers is adapted to receive a first optical signal propagated through the line waveguide, while at least one of...

20060159387 - Photonic integrated circuit device and elements thereof: A photonic integrated circuit (PIC) device is described. The PIC device includes a set of optical transceivers including optical transmitters and optical receivers, and an embedded optical interconnect mesh operatively associated with the set of optical transceivers and structured to enable at least one of the following network architectures: a...

20060159388 - Optical path switch apparatus of optical lan system: In an optical LAN system, an optical connector is provided between the input and output optical fiber cables and each of the node devices. The optical connector includes a movable body (a switch body) having a prism. The movable body is switched selectively between a first position (a first state)...

20060159390 - Optical filter element and wavelength division multiplexing optical coupler: An optical filter element having high isolation and reduction in reflection loss for input light beams. The optical filter element is used with a transparent substrate having a surface that includes a first area and a second area. The optical filter element has a target wavelength range. The optical filter...

20060159389 - Optical switch: An optical switch includes a plurality of light inputting members, a plurality of light outputting members, an optical coupling member which couples light to the light inputting members and the light outputting members, an optical path changing member which changes an optical path from the light inputting members up to...

20060159392 - Optical coupled-resonator filters with asymmetric coupling: An optical filter includes at least one waveguide structure. The optical filter also includes a plurality of optical resonators that are aligned in an coupled arrangement with the at least one waveguide structure so as to produce an asymmetric distribution of coupling coefficients....

20060159391 - Optical imagins system with optical delay lines: An electromagnetic signal processing system (10) comprises a plurality of optical fibre arrays (11, 12, 13, 14, 15 and 16) each having a cluster of optical fibres with their one ends (40) oriented to receive electromagnetic radiation from free-space, or to transmit electromagnetic radiation into free-space. Received electromagnetic radiation passes...

20060159393 - Light guide and image reader: A light guide emits lights incident on an end face from an emitting face extending longitudinally of the guide, while having the lights reflected by its internal face. A sectional shape of the guide in a direction orthogonal to the longitudinal direction of this light guide has two opposite parabolas,...

20060159394 - Method of and apparatus for manufacturing fiber grating devices: A long-period grating with axially-symmetric refractive index modulation and a clean transmission spectrum is formed by exposing an optical fiber to multiple writing beams of infrared light. The writing beams have substantially the same power and converge on the fiber in an axially-symmetric fashion, thus inducing axially-symmetric heating of the...

20060159395 - Optical compensator array for dispersive element arrays: An array of dispersive arrangements, for example an array of waveguide dispersive elements, is compensated with a set of optical compensators such as wedges or pairs of cylindrical lenses. The optical compensators are selected to achieve a pre-defined dispersion profile across the array of waveguide dispersive elements. The optical compensators...

20060159396 - Thermally stabile grisms: Thermally stable GRISMs comprise a substrate and cover plate composed of a first material keeps the spatial frequency of the grating stable with temperature, and a prism composed of a second material having lower thermal coefficient of refractive index than that of the first material. In the preferred embodiment, the...

20060159397 - Efficient coupling of light into a light guides: Method and apparatus of coupling light into a light guide using error detecting and correcting systems. A rectangular light guide is mated with an X-axis optical fiber and with a Y-axis optical fiber. An X-axis photodetector senses light that couples from the light guide into the X-axis optical fiber, while...

20060159398 - Method and optical fiber device for production of low noise continuum: A waveguide, such as a holey fiber or other optical fiber, is tapered to control the dispersion in a manner which varies along the length of the tapered portion of the fiber, thus providing the desired characteristics of the fiber. The longitudinal variation of the phase-matching conditions for Cherenkov radiation...

20060159399 - Connector assembly clip: An optical connector assembly comprising (a) a plurality of identical connectors, each connector being connected to a jacketed optical cable, each connector comprising a generally rectangular housing having a top, a bottom and two sides, and having a plug end for insertion into a mating receptacle and a cable end...

20060159400 - Fiber optic delivery system and side pocket mandrel removal system: A fiber optic delivery system and side pocket mandrel removal system. In one example, a system for making optical connections in a well includes an optical connector positioned in the well, and another optical connector displaceable into operative connection with the first optical connector after the first optical connector is...

20060159401 - Optical waveguide connection device, plug and plug connection for optical waveguides: The invention relates to an optical waveguide connection device, a plug and a plug connection for optical waveguides. The optical waveguide connection device has a carrier element, in particular a panel, having couplings for the plugs of the optical waveguides and being of integral design with the carrier element. The...

20060159402 - Method for releasably connecting two groups of optical fibers, and plug-in connector for carrying out said method: Disclosed is a method for removably connecting two groups of individual, parallel fibers that are delimited by end faces that are perpendicular to the fiber axis. The two groups of fibers are moved towards each other in an axial direction until each of the fibers abuts against the end face...

20060159403 - Transceiver assembly for use in fiber optics communications: A transceiver assembly includes a frame section, a rigid circuit board, a flex circuit, and a controller chip. The frame section includes an optoelectronic device containing a set of photoactive components, a signal processing chip for providing drive signals to the set of photoactive components, and a flex circuit layer....

20060159405 - Optical element, and optical module, and optical transceiver: An optical element includes an optical section having at least one of an emission section and a photodetection section, a sealing member that surrounds at least a part of the optical section through an internal space, an electrode that is electrically connected to the optical section, a conductive member that...

20060159404 - Optical transmitter module with an integrated lens and method for making the module: An optical transmitter module and method for making the module utilizes a housing structure having an integrated lens. The housing structure includes an output opening, which has a central axis along a first direction, to receive an optical fiber. The optical transmitter module further comprises conductive pins that are attached...

20060159406 - Optical module and method of manufacturing the same: An optical module 11a comprises an optical-receptacle housing 13, an optical-communication subassembly 15, and a holder 17. The flange portion 13b has a plurality of first portions 13c, which extend along a reference plane perpendicular to a predetermined axis, Ax, and a plurality of second portions 13d, each of which...

20060159407 - Low shrink telecommunications cable and methods for manufacturing the same: The present disclosure relates to a telecommunications cable having a layer constructed to resist post-extrusion shrinkage. The layer includes a plurality of discrete shrinkage-reduction members embedded within a base material. The shrinkage-reduction members can be made of a liquid crystal polymer. The disclosure also relates to a method for manufacturing...

20060159408 - All-dielectric, self-supporting, loose-tube optical fiber cable: A method for producing an optical fiber cable which improves stability by attaching an Aramid yarn near the core in parallel to an axial direction of the optical cable and solves structural problems of the cable by soaking an Aramid yarn into an epoxy resin is disclosed. This optical cable...

20060159409 - Boroscope with selectable stiffness light shaft: A boroscope having a flexible fiber optic bundle communicating from inside to outside a housing. The bundle has a proximal end inside the housing viewable by viewing optics and illuminable by a light source in the housing. The fiber optic bundle extends to a distal end thereof outside the housing....

20060159410 - Optical fiber: The present invention relates to an optical fiber having a configuration which enables utilization of nonlinear phenomena in the near-infrared region. The optical fiber is directed to a holey fiber having a core region extending along a predetermined axis and a cladding region with plural holes arranged along the core...

20060159411 - Photonic integrated circuit: An optical platform including optical bench, an optical or photonic coupling device and a photonic circuit. The photonic circuit includes a photonic crystal along a waveguide and/or defect. The coupling device may be a waveguide or impedance matching interconnection device. The optical bench includes a rectangular trench to seat an...

20060159412 - Glass fiber monitoring module: The invention relates to a glass fiber monitoring module (1) comprising a mounting plate (23), couplings (25) for receiving plugs of incoming and outgoing glass fibers and at least one coupler module (21) being arranged on the mounting plate (23), couplers being arranged in the coupler module (21) and being...

20060159413 - Polyimide optical materials, polyimide precursor solutions and optical waveguide elements: (wherein Φ1s may be the same or different and are individually a quadrivalent organic group, the Φ1s including at least 0.2 molar equivalent of a quadrivalent hetrocyclic group selected from the following Group (a), Ψ1s may be the same or different and are individually a bivalent organic group, and n...

20060153486 - Optical element and optical switch: In an optical element aimed at readily and accurately controlling a refractive index of an electrooptic effect film, and at making the device adaptive to further downsizing, a voltage control unit 6 controls refractive index of light in an optical waveguide 4 between two values of a first voltage and...

20060153489 - Fiber optic security system and control method thereof: The invention relates to a fiber optic security system and control method thereof which, in detail, is embodied by plural channels each comprising an optical transmitter module, an optical transmission line, and an optical receiver module. The invention is easy to install on windows, doors or fences which need to...

20060153488 - Optical sensor: A light detection device 1 comprises a photocathode 30 and an electron multiplier 50, which are positioned inside a vacuum container 10. A photomultiplier tube is arranged from these components. Light detection device 1 is equipped with an optical fiber 20, through which a light signal L flows, and photocathode...

20060153487 - System and method for packaging a fibre optic sensor: A fibre optic sensor deployed on a fibre optic cable to a remote location, such as an oil or gas well. The sensor, which can sense any of a variety of parameters such as pressure, temperature, flow rate, strain, or chemical properties, is located within a sleeve. The sleeve is...

20060153491 - Intrusion detection system for use on single mode optical fiber using a simplified polarimeter: A telecommunications optical fiber is secured against intrusion by detecting manipulation of the optical fiber prior to an intrusion event. This can be used in a non-locating system where the detection end is opposite the transmit end or in a locating system which uses Fresnel reflections and Rayleigh backscattering to...

20060153490 - Passive athermal fiber bragg grating strain gage: Fiber Bragg gratings (FBGs) are particular suitable for measuring strain. However, a single parameter measurement is difficult to implement, since cross-sensitivity to temperature compels the use of an additional temperature reference, e.g. a strain-inactive FBG. The development of a passive athermal fiber Bragg grating strain gage is thus of particular...

20060153492 - Test head for optically inspecting workpieces: An optical test head comprises a block of material with a plurality of optical paths extending therethrough. At least one of the optical paths is an input optical path for receiving laser light and holding a lens for focusing the laser light on a workpiece that is proximate the head....

20060153493 - Optical switch array for routing multiple optical signals: An apparatus for routing a plurality of optical input signals to a plurality of optical output connections. In one embodiment, a plurality of optical switches are combined to route a number of optical signals that exceed the number of optical inputs for a single switch. The switch array includes a...

20060153494 - Optical switch for routing multiple optical signals: An apparatus for routing a plurality of optical input signals to a plurality of optical output connections. In one embodiment, a switch includes an optical bench receiving and securing a plurality of input collimators and output collimators. The optical bench also receives and secures a plurality of actuators arranged in...

20060153495 - Galvanically isolated signal conditioning system: A galvanically isolated signal conditioning system includes a signal conditioning circuit on an integrated circuit chip; a flying capacitor; and a galvanically isolating MEMS switching device on an integrated circuit chip for selectively switching the flying capacitor from across a pair of input terminals in one state to across the...

20060153497 - Apparatus for forming a wdm signal having orthogonally polarized optical channels: Embodiments of an apparatus for forming a WDM signal having orthogonally polarized optical channels are disclosed. Utilizing the optical channels formed using non-polarization-maintaining components, the apparatus selectively controls a state of polarization (SOP) of each optical channel....

20060153496 - Optical communication network system: A fiber optic communication system includes a device of switching and setting wavelength of optical signals used in communication by network-node equipments, which sets the mapping of the wavelength of the optical signal used in communication by the network node equipments, and the input/output ports of an array waveguide grating...

20060153498 - Optical performance monitor: An optical performance monitor for accurate monitoring of the OSNR of a WDM optical signal is provided wherein a demultiplexing arrayed waveguide grating (AWG) having a plurality of Vernier input ports is disposed between an optical switch and a photodiode array coupled to the output ports of the AWG. In...

20060153499 - Y-branch-based thermo-optic digital optical switches and variable optical attenuators with non-uniform heating: The present invention is concerned with 1×2 thermo-optic digital optical switches known in the art as “Y-branch digital optical switches” and variable optical attenuators....

20060153500 - Coupling system between dielectric optical guides and planar photonic crystal guides: The invention relates to a method of optimising signal coupling between a dielectric guide and a photonic crystal guide. The inventive method is based on introducing point defects into a coupling structure that is required to adapt the width between both guides. The number and characteristics of said defects depend...

20060153501 - Optical waveguide apparatus: The present invention provides an optical module using optical waveguides which permits easy fabrication of a PLC type optical multiplexer/demultiplexer with reduced loss. The optical module comprises cores which are contiguous to each other through a dicing groove adapted to position and fix an optical functional part such as a...

20060153503 - Ultra-small, form factor single fiber optical interconnect system, with push-push type insertion/withdrawal mechanism and shuttered modular connector and shuttered adapter and method for using same: An optical fiber interconnect system comprising a connector for carrying an optical fiber along a longitudinal axis. The adapter comprises a push-push coupling mechanism configured to receive and couple with the connector upon application of a first pushing force to the connector so as to removably receive the connector in...

20060153502 - Universal adapter for fiber optic connectors: There is provided an adapter that fits most standardized fiber optic cable connectors to allow quick field installations. The adapter includes a split diameter. The smaller diameter fits within a rear back shell of the connector and receives a fiber stub from the connector. The larger diameter abuts the rear...

20060153504 - Multi fiber optical interconnect system, with push-push type insertion/withdrawal mechanism, mt-type connector and shuttered adapter and method for using same: An optical fiber interconnect system comprising a connector for carrying an array of optical fibers along a longitudinal axis. The adapter comprises a push-push coupling mechanism configured to receive and couple with the connector upon application of a first pushing force to the connector. The connector is disengaged and may...

20060153505 - Transceiver assembly for use in fiber optics communications: A frame section includes a flex circuit layer, a support layer, and a silicon substrate carrier. The flex circuit layer includes a plurality of communication lines and having a flex circuit window section. The support layer includes a support layer window smaller that the flex circuit window section so as...

20060153506 - Transceiver assembly for use in fiber optics communications: A transceiver assembly includes a frame section, a rigid printed circuit board, a flex circuit, and an edge connector. The frame section includes a flex circuit layer for use in carrying data, and control and power signals, and an optoelectronic device. The rigid printed circuit board includes a first rigid...

20060153507 - Modular optical devices compatible with legacy form factors: The present invention relates to modular optical devices compatible with legacy form factors, for example, SFF, SFP, and XFP form factors. A housing contains optical components including a lens block, a fabricated package, at least one lens pin, and a substrate. The lens block is configured to receive one or...

20060153508 - System and method for deploying an optical fiber in a well: A fiber optic sensor assembly capable of deployment down an instrumentation tube located in a well bore, including a flexible protective tube having a lumen encasing an optical fiber having a core portion and a cladding portion disposed within the flexible tube. The flexible protective tube protects the optical fiber...

20060153509 - High-voltage component with optical fiber and method for producing it: A high-voltage component, having a first end and a second end, whereby the first end is on a high-voltage potential with respect to the second end. An insulating part, is arranged between the first end and the second end, and an optical fiber is integrated in the high-voltage component and...

20060153510 - Loose tube optical cable having straight aggregation structure: Disclosed is a loose tube optical cable having an unstranded structure, which includes a tensile strength member longitudinally elongated and having a central axis deviated from the center of the optical cable, a loose tube optical fiber unit longitudinally elongated without intended twist against the tensile strength wire, and a...

20060153511 - Light emitting device: The invention relates to a light emitting device consisting of one or more light sources coupled to a light guide containing diffuser particles having a refractive index close to the refractive index of the core of the light guide. The diffuser particles cause a scattering of the light emitted from...

20060153512 - Fused array preform fabrication of holey optical fibers: This invention pertains to a holey fiber and to a fabrication method for making the fiber. The holey fiber can transmit light by total internal reflection or by Bragg diffraction, can be single mode or multimode and can have solid core or a hollow core. The holey fiber has outside...

20060153513 - Coated optical fiber and optical fiber coating system including a fast-gelling primary coating: The present invention provides optical fiber coating systems and coated optical fibers. According to one embodiment of the invention, a coated optical fiber includes an optical fiber having a core and a cladding; and a primary coating encapsulating the optical fiber, the primary coating having a Young's modulus of about...

20060153514 - Device for thermally treating at least one optical fibre: A device for thermally treating at least one optical waveguide has a radiation source. A first optical system is used to direct a beam, emitted by the radiation source, onto the optical waveguide from a first side. The first optical system generates a beam profile whose extent in the transverse...

20060153515 - Optical fiber connecting tool: In the present invention, the optical fiber connection jig 30 is of such a construction that it includes a jig body 31 having wedge pieces 39 which are fitted respectively into wedge insertion slits in a splice member 4 by a grasping operation for a pair of left and right...

20060153517 - Methods for configuring and testing fiber drop terminals: A method for testing a fiber drop terminal from a single geographic location may include placing a signal onto a first optical fiber at the single geographic location. The first optical fiber is communicatively coupled to a first output receptacle on the fiber drop terminal. The method may also include...

20060153516 - Network interface device having integral slack storage compartment: A network interface device (NID) for a fiber optic communications network is provided for housing optical, electrical and/or coaxial connections and active and/or passive components. The NID includes a base and a movable panel defining a connections area and a components area. In one embodiment, a first base defines a...

20060153518 - Illumination system and display system employing same: A compact, light weight, efficient and cost-effective illumination system for optical displays is disclosed. The illumination system is capable of producing a self-luminous light beam of selected cross-section and spatial distribution in terms of intensity and angle. The illumination system can efficiently couple light from light sources having wide variety...

20060153520 - Intrusion detection system for use on single mode optical fiber using a polarimeter: A telecommunications optical fiber is secured against intrusion by detecting manipulation of the optical fiber prior to an intrusion event. This can be used in a non-locating system where the detection end is opposite the transmit end or in a locating system which uses Fresnel reflections and Rayleigh backscattering to...

20060153519 - Transmission of measured values in high-voltage supply units for electrofilters: Disclosed is a high-voltage supply unit for electofilters. The unit includes high-voltage devices which are arranged close to the electrofilter and by which the electrofilter is supplied with high voltage, measuring heads which are assigned to the high-voltage devices and by which measured values and optional diagnostic data from the...

20060147146 - Digital phase modulator for a fiber-optic device: A method and arrangement of electrodes for increasing the resolution of a digital phase modulator for a fiber-optic signal transmission or measuring device. A predetermined total number m of electrodes of different lengths are arranged parallel and on both sides with respect to a light guiding path in or on...

20060147145 - Optical modulator: An optical modulator in which stabilized driving is realized over a long time by relaxing stress generated in a recess formed in the surface of a substrate in the optical modulator and controlling deterioration of optical modulation control caused by stress-strain in the substrate including an optical waveguide. The optical...

20060147149 - Distributed optical fiber sensor with controlled response: Distributed fiber optic chemical and physical sensors provide a relatively highly uniform response over the length of the fiber by, for example, varying such properties as the core/cladding index of refraction ratio to compensate for the non-linearity in sensitivity due for example to the loss of higher order modes in...

20060147148 - Method and apparatus for pixel display and sers analysis: Irradiation devices and methods of amplification and irradiation are disclosed for displaying pixels and Surface Enhanced Raman Spectroscopy (SERS) analysis. The devices include an optical modulator, which may be configured for operation in a variably transmissive state. An active region may be formed in an optical waveguide with the optical...

20060147147 - Waveguide structure: A novel single point leaky waveguide structure and its use as an optical sensor for the detection of particles is disclosed. The waveguide structure is fabricated to increase the overlap of the evanescent field extension from the sensor surface with particles in the bulk solution of a flowing system so...

20060147150 - Silicon packaging for opto-electronic modules: An opto-electronic apparatus comprising a base layer, one or more photonic elements positioned on the base layer, and an optical layer suspended over the base layer, the optical layer including a moveable optical element positioned over at least one of the photonic elements. A process comprising forming a base layer,...

20060147151 - Lighting device comprising a plurality of semiconductor light sources: A lighting device is disclosed comprising a plurality of semiconductor light sources disposed on a carrier, wherein the light from the light sources is coupled into assigned lightguides at a set angle to the surface normals of the carrier and the lightguides are provided with reflecting and light exit faces...

20060147152 - Backlight modules using diffraction optical elements: Direct backlight modules using diffraction optical elements are provided. A direct backlight module includes a light source and a diffraction optical element, wherein the diffraction optical element is disposed above the light source. By properly arranging the phase function, the diffraction optical element can substantially modulate the wavefront of the...

20060147154 - Coupling methods and architectures for information processing: A structure comprising (i) a first information device, (ii) a second information device, (iii) a first coupling element and (iv) a second coupling element is provided. The first information device has at least a first lobe and a second lobe that are in electrical communication with each other. The second...

20060147153 - Optical coupler: The invention is a spectrally selective optical coupler with a new geometry and a new principle of action. An optical coupler according to the invention comprises an optical fiber and an external lightguide. In the fiber there is provided a deflector that is operative to deflect light of a predetermined...

20060147155 - Double sided optical adaptor: An opto-electronic device includes a chassis having a backplane, at least one opto-electronic component housed in the chassis, and an optical cable optically coupled to the opto-electronic component. The backplane has a thru-hole through which the optical cable extends to an exterior of the chassis. An optical fiber adaptor is...

20060147156 - Optical connector having shielding mechanism: There is provided an optical connector device which prevents leakage of light until right before connectors are connected to each other and is small-sized by a reduction in space for housing shutters. The optical connector device is an optical connector device comprising a first optical connector and a second optical...

20060147157 - Ferrule assembly: A process for preparing terminated fibers comprising: (a) positioning at least one fiber in a ferrule such that a portion of the fiber extends beyond the mating face of the ferrule; (b) affixing the fiber relative to the ferrule; and (c) cleaving the portion of the fiber....

20060147158 - Optical module and optical transceiver: A technique to prevent return light by an inexpensive construction in an optical module is disclosed. According to this technique, at the end face of a cylindrical metal part made of SUS 303, a hole to expose the end of an optical fiber wire 2 is formed, and then a...

20060147159 - Transceiver assembly for use in fiber optics communications: An optoelectronic subassembly includes a planar substrate, a set of guide pins, and a support block. The planar substrate has an array of photoactive components mounted on the planar substrate and a set of apertures in the planar substrate are aligned with the photoactive components. The set of guide pins...

20060147160 - Method of optically aligning a workholder for connector geometry control and in-line measurement capability and apparatus used therefor: An apparatus, integral to a polishing fixture, that enables a plurality of fiber optic connectors to be independently aligned to a polishing surface. Once inserted into the apparatus, a reference connector is positioned over an optical interferometer, whose focal plane is parallel with that of the polishing surface plane. The...

20060147161 - Color optical link using transparently jacketed plastic optical fiber and method for achieving the same: Disclosed is a color optical link using a transparently jacketed plastic optical fiber which optically transmits data and uses light, scattered and emitted to the outside, for the purpose of illumination, and a method for achieving the color optical link. The color optical link includes a first driver for receiving...

20060147162 - Microcode-driven programmable receive power levels in an optical transceiver: An operational optical transceiver comprising a receiver, a sensor, a memory, and a processor. The sensor is configured to measure the received power of an optical signal received by the receiver. The received power is sent to the memory where it is read by the processor. The processor is configured...

20060147163 - Optical fiber cable and blowing installation technique: This invention relates to an optical cable, in particular to an optical fibre having an axially extending glass strand for channelling light therealong, and a jacket layer disposed around the glass strand, the jacket layer having a textured outer surface for facilitating, under the influence of a fluid drag, the...

20060147164 - High count telecommunication optical cable with controlled fiber length method and apparatus for manufacturing the same: A telecommunication optical cable has a number of optical fibers; at least a microsheath loosely containing the optical fibers, the at least one microsheath loosely containing the optical fibers therein forming at least one corresponding microbundle, wherein the optical fibers are stranded according to an open helix trajectory....

20060147165 - Indoor optical fiber cable: An indoor optical fiber cable including a plurality of optical fiber elements, which are optical transmission media; sheath deployed in the outermost of the indoor optical fiber cable to envelop the optical fiber elements; and a first peripheral strength member (PSM) embedded in the sheath, wherein the indoor optical fiber...

20060147167 - Advanced dispersion map for dsf transmission system: It is proposed a method for processing optical signals to be transmitted through a succession of transmission lines spans made out of DSF and a system architecture allowing the implementation of such a method for compensating dispersion occurring at the transmission path without suffering too much from any cross-phase modulation....

20060147166 - Optical fiber having a low polarization mode dispersion and process and apparatus for producing it: An apparatus for producing a low-PMD optical fiber having a furnace for melting a lower portion of an optical preform; a traction device for pulling an optical fiber from the lower portion of an optical preform; a spinning device for imparting a substantially constant and unidirectional spin to the optical...

20060147168 - Method of preventing optical fiber failure in high power application: A method of minimizing localized heating of, or minimizing signal losses across a source of loss in, an optical fiber used in transmission of a high power optical signal at an operating wavelength. These methods include the steps of: providing an optical fiber which comprises either (i) a coating characterized...

20060147169 - Optical device and method of manufacturing the same: An optical device comprising a substrate, a porous layer laid on the substrate having a pore diameter smaller than the wavelength of light and a crystal layer laid on the porous layer showing a refractive index greater than that of the porous layer is presented. The optical device is manufactured...

20060147170 - Microstructuring of an optical waveguide for producing functional optical elements: The invention relates to a method for microstructuring an optical waveguide having a first cross-sectional region with a first refractive index, a second cross-sectional region with a second refractive index, and a boundary region in the transition from the first to the second cross-sectional region, in which the optical waveguide...

20060147173 - Carrier for multiple splice trays: A splice site carrier includes an interconnecting member and a plurality of generally planar carrier members that are pivotally interconnected therewith. The carrier members are configured to receive a splice tray mounted on a front side thereof. Each of the carrier members is pivotable about a respective pivot axis between...

20060147172 - Overmolded multi-port optical connection terminal having means for accommodating excess fiber length: An overmolded multi-port optical connection terminal for a fiber optic distribution cable includes a tether cable containing a plurality of optical fibers optically connected to a corresponding plurality of optical fibers terminated from the fiber optic distribution cable at a first end of the tether cable, an overmolded housing a...

20060147171 - 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 (10) composed of spaced apart panels (14,16) which define an interior space. The panels open to...

20060147174 - Optical element: A manufacturing method for an optical element includes providing a base member for an optical element and a cutting tool from which a blade tip part protrudes, forming an inspecting groove on a surface of the base member by the blade tip part of the cutting tool by relatively moving...

20060147175 - Backlight unit and liquid-crystal display device using the same: A backlight unit that makes it sure to assemble many optical members in a casing in a right order with their right attitude in its assembly stage is provided. Each of the optical members to be assembled in a predetermined order has a protruding part including at least one protrusion....

20060147178 - Access key enabled update of an optical transceiver: Systems and methods for verifying that an optical transceiver has access privileges to received microcode. An example environment may include an optical transceiver that is coupled to a host computing system. The optical transceiver includes a memory that has thereon an optical transceiver access identifier. The optical transceiver memory is...

20060147177 - Fluoropolymer coating compositions with olefinic silanes for anti-reflective polymer films: An economic, optically transmissive, stain and ink repellent, durable low refractive index fluoropolymer composition for use in an antireflection film or coupled to an optical display. In one aspect of the invention, the composition is formed from the reaction product of a fluoropolymer, a C═C double bond group containing silane...

20060147176 - Multilayer observation optical microscope and multilayer observation unit: In an optical microscope, a pair of convergence/collimation lenses are arranged on the common optical axis of a light beam directed toward a sample being observed through an objective lens, the light beam being radiated or reflected from the sample to pass through the objective lens reversely. The phase of...