Optical waveguides inventions 01/06

20060018583 - Method and apparatus for distortion control for optical transmitters: A method of manufacturing an optical transmitter includes assembling a laser device on a module including a temperature sensor and a temperature controller. An optimum operating temperature of the laser to minimize optical distortion is determined at a temperature within a range between which distortions were determined at multiple temperatures....

20060018584 - Integrated optic polarization converter based on structural chirality: An integrated optic polarization converter includes a plurality of core layers used to approximate a gradually twisted waveguide and therein adiabatically transform a propagating mode from an initial polarization state to a different final polarization state....

20060018585 - Ultra-thin polarization mode converters based on liquid crystal materials: A method and apparatus that includes a first waveguide segment that differentially changes the amplitude of the light relative to a first polarization orientation, a thickness of oriented liquid crystal or other birefringent material sufficient to delay one polarization component one-half wavelength relative to another, and a second waveguide segment...

20060018586 - Distributed optical fiber sensor system: A distribution optical fiber sensor system measures distortion and temperature of a structure with a high spatial resolution. The system has an optical fiber on an object to be measured. A light source emits a first pulse light having a pulse width longer than a transient response of an acoustic...

20060018588 - Layered board, and apparatus incorporated such layered board: In a layered board, an insulating layer is interposed between a first layer capable of transmitting an electrical signal or an optical signal and a second layer capable of transmitting the electrical signal or the optical signal, interconnection of the signal between the first layer and the second layer is...

20060018589 - Optical waveguide circuit component and method of manufacturing the same: An optical waveguide circuit component according to the present invention is characterized by that a clad layer composed of quartz is provided on the surfaces of a substrate and core formed by quartz doped selectively on a quartz plate structure, and a lid or a cover member is fixed onto...

20060018587 - Photonic integrated circuit: A integrated optical circuit comprises an interferometer having a first optical path and a second optical path configured for regenerating an input signal entering the first path by interference at a first coupler between continuous wave (CW) signals from the two optical paths, and a third optical path configured such...

20060018590 - Optical waveguide mounting member, substrate, semiconductor device, method of manufacturing optical waveguide mounting member, and method of manufacturing substrate: An optical waveguide mounting member for mounting to a substrate is disclosed. The optical waveguide mounting member includes an optical waveguide for transmitting optical signals therethrough and an optical waveguide mounting base material having a through-hole to which the optical waveguide is mounted. The optical waveguide mounting base material is...

20060018591 - Method and system for controlling an optical switch using dynamic compensation: A free space optical switch that uses both an open loop control mode and a closed loop control mode. The open loop control mode is used to transition to a state where at least some light is sensed at a destination port. A closed loop control mode is then used,...

20060018592 - Strictly non-blocking switch core having optimized switching architecture based on reciprocity conditions: A switch core is set forth that comprises a plurality of duplex switches that are interconnected with a interconnection fabric to implement, for example, strictly non-blocking operation of the switch core for reciprocal traffic. In one embodiment, an N-way reciprocal switch is implemented. The N-way reciprocal switch comprises a plurality...

20060018593 - Connection of an add/drop node: An add/drop node of an optical WDN-network which has two fiber paths for light of a plurality of channels propagating in opposite directions comprises two add/drop modules (231, 23r) for each of the channels. All the modules are identically constructed. Each module comprises an add device (251, 25r) for adding...

20060018594 - Optical delay circuit, integrated optical device, and method of manufacturing integrated optical device: An optical delay circuit includes a plurality of defect waveguides arranged in parallel and including a line-shaped defect in a periodic refractive-index distribution structure of a photonic crystal. The defect waveguides include a multiplexing/demultiplexing portion in which the defect waveguides are arranged close to each other to multiplex and demultiplex...

20060018595 - Optical waveguide device: An FBG encoder as an optical waveguide device includes plural unit FBGs respectively including a periodic refractive index modulation structure in a longitudinal direction of an optical fiber and aligned in the longitudinal direction of the optical fiber; and a phase shift section formed between any two adjacent unit FBGs...

20060018596 - Fiber optic probe tip: The invention described here is an improved fiber optic probe. The tip of the probe is made from a transparent fill material that is connected to the end of a conventional optical fiber. The optical fiber is tapered, the fill material is connected thereto, and typically extends outwardly from the...

20060018597 - Liquid crystal grating coupling: A tunable optical coupling arrangement for use with a relatively thin (generally sub-micron thickness) silicon waveguiding layer of a silicon-on-insulator (SOI) substrate. The arrangement comprises a multi-layer structure including a substrate for supporting one or more diffractive optical elements and a layer of tunable liquid crystal material. The multi-layer structure...

20060018598 - Method for fabricating optical devices by assembling multiple wafers containing planar optical wavequides: A method for fabricating optical devices comprises the steps of preparing a first substrate wafer with at least one buried optical waveguide on an approximately flat planar surface of the substrate and a second substrate wafer with at least a second buried optical waveguide. The waveguides so formed may be...

20060018599 - Segmented electrodes for poling of ferroelectric crystal materials: The manufacture of optical devices by reversing domains in specific patterns in ferroelectric crystal material is practiced using a segmented electrode rather than a continuous electrode on at least one of the surfaces of the ferroelectric crystal material. Independent poling voltages are selectively applied to the segments to create various...

20060018601 - High-index contrast waveguide coupler: An optical coupler comprises an optical tip having a small cross section. The coupler is tapered from a waveguide width to the small cross section tip. In one embodiment, the length of the taper is approximately 40 um long. The waveguide width is approximately 450 nm wide, and the tip...

20060018600 - Optical fiber machining method and laser beam irradiation device: A method for machining an optical fiber comprises the steps of: connecting a rear end 1b of an optical fiber 1 to a laser oscillator 2 and exposing a clad 12 of a front-end 1a thereof; preparing processing agents 4-6 containing metal powder that can absorb a laser beam emitted...

20060018602 - Method of fabricating polymer waveguides for passive alignment to optical fibers in an optical module: Is provided a method of forming a polymer waveguide for passive alignment to an optical fiber in an optical module. A groove mounting an optical fiber thereon is formed on a substrate, and a shielding layer pattern is formed to selectively shield the groove. Polymer layers for an optical waveguide,...

20060018603 - Optical plug-in connection: An optical plug-in connection for connecting polarization-maintaining optical fibers includes at least two plug-in connectors and a coupler into which the plug-in connectors are plugged from opposite ends. The optical fiber to be connected is fixed to the fiber end of a ferrule in each of the plug-in connectors. The...

20060018604 - Optical fiber connector: The invention relates to an optical fiber connector comprising a ferrule disposed in a connector body and receiving the optical fiber in a longitudinal bore, said ferrule being subjected to a compression spring disposed on a part extending the ferrule, referred to as a “counter-ferrule”, and pressed by a closure...

20060018605 - Ferrule assembly having highly protruding optical fibers and an associated fabrication method: A ferrule assembly having highly protruding optical fibers and a corresponding method of efficiently, precisely and repeatedly fabricating the ferrule assemblies are provided. In this regard, a ferrule assembly is provided that includes a plurality of optical fibers extending at least about 3.5 μm beyond the front face. The end...

20060018606 - Surface mount module: The present invention provides a surface mount electronic module that is compatible with high-temperature processing in a reflow furnace or the like. This electronic module comprises a housing, an electronic device that comprises a printed circuit board and electronic components electrically connected to the printed circuit board and mounted within...

20060018608 - Optical semiconductor device, optical connector and electronic equipment: An optical semiconductor device 1a includes a lead frame 4 having a through hole 7, a semiconductor optical element 3 which is placed on one surface of the lead frame 4 for an optical portion 6 to face and overlap with the through hole 7, a first molding portion 9...

20060018607 - Z-axis alignment of an optoelectronic component using a composite adhesive: An optoelectronic device that employs a composite adhesive to properly position optical components within the device is disclosed. In one embodiment, an optical subassembly is disclosed, comprising a package housing, an optical component, and a composite adhesive that at least indirectly maintains the optical component in a predetermined position on...

20060018609 - Laser module with sealed package containing limited optical components: A laser module includes: one or more semiconductor laser elements which emit one or more divergent laser beams; one or more collimator lenses which collimate the one or more divergent laser beams; a condensing lens which condenses the one or more collimated laser beams, and make the one or more...

20060018610 - Optical fiber product, method of fabricating optical cable, and characteristic evaluation method: The present invention relates to an optical fiber product suitable for fabricating an optical cable that requires a complicated length adjustment. The optical fiber product includes an effective use portion used as the optical cable, surplus portions connected to both ends of the effective use portion, and a distinguishing structure...

20060018611 - Method and system for providing a hydrogen diffusion barrier for fiber optic cables used in hostile environments: A fiber optic conduit for use in a hostile environment includes a hydrogen barrier shell that is disposed outwardly from an inner axial tube. The hydrogen barrier shell comprises a material that is capable of reducing hydrogen permeation through the fiber optic conduit and a thickness of at least approximately...

20060018612 - Solid type polarization maintaining fiber and apparatus: Disclosed is an optical fiber (20) having a centermost laterally-elongated core (30) having a short dimension (a), a long dimension (b) and a first refractive index (n1), a moat (40) surrounding the central laterally-elongated core, the moat (40) having a second refractive index (n2), an outer dimension (c) and an...

20060018613 - Chromatic dispersion compensating optical fiber: The invention relates to the field of single-mode chromatic dispersion compensating optical fibers for a wavelength multiplexing transmission network. A single-mode chromatic dispersion compensating optical fiber is provided having at least six core slices (1 to 6) and having a negative chromatic dispersion and chromatic dispersion slope at a central...

20060018614 - High performance dispersion compensating optical fibers and manufacturing method for the same: A high performance dispersion compensating optical fiber is provided. In one embodiment, the optical fiber includes a core layer and a cladding layer surrounding the core layer. The core layer includes five core sublayers wherein the □ % of the first core sublayer is positive, and the □ % of...

20060018615 - Method of fabricating optical waveguide: A method of fabricating an optical waveguide which comprises forming a core layer (c) on surface of a peelable substrate (a), then forming a clad layer (d) on the surface of the core layer (c) and the surface of the substrate (a), and then peeling the substrate (a) off from...

20060018616 - Optical waveguide and method of manufacture: An optical waveguide capable of having various characteristics and a method of manufacture thereof as well as a method of manufacturing a crystal film are provided. An optical functional material KTaxNb1-xO3 is used as an optical waveguide. The input optical signal is transmitted to the KTaxNb1-xO3 film. The KTaxNb1-xO3 film...

20060018617 - Optical waveguide and method of manufacture: An optical waveguide capable of having various characteristics and a method of manufacture thereof as well as a method of manufacturing a crystal film are provided. An optical functional material KTaxNb1-xO3 is used as an optical waveguide. The input optical signal is transmitted to the KTaxNb1-xO3 film. The KTaxNb1-xO3 film...

20060018621 - Cable trough cover: A cable trough cover assembly and method of assembly including a cover plate and a hinge piece. The cover plate includes a pivot member along at least one edge, and the hinge piece defines a pocket for releasably receiving the pivot member. The pocket and pivot member arrangement allow the...

20060018618 - Fiber distribution frame arrangement having a centralized controller which universally controls and monitors access to fiber distribution frames: A fiber distribution frame arrangement includes a fiber distribution frame. Fiber optic component panels are housed within the fiber distribution frame at respective positions. Doors are connected to the fiber distribution frame for the doors to open and close relative to the fiber distribution frame. Each door corresponds to one...

20060018620 - Fixing tool for fixing a fiber holding member to an optical fiber: In a fixing tool for fixing a fiber holding member to an optical fiber, a tool body receives the optical fiber and the fiber holding member. In this event, the fiber holding member is disposed on a first specific part of the optical fiber. A positioning device fixes a second...

20060018619 - System and method for detection of fiber optic cable using static and induced charge: The system and method provides means for detecting fiber optic cable embedded within a structure such as a wall of a building. It relies upon detecting an electrical field generated by movement of static and induced electrical charged fiber optic cable contained within the building wall. The invention is particularly...

20060018622 - Front access punch down patch panel: The patch panel assembly includes a drawer and a patch panel pivotally mounted to the drawer. The drawer has a pair of sidewalls and a cable tray positioned therebetween. The cable tray has a plurality of slide locks including lock releases that allow the cable tray to move between a...

20060018623 - Light guide plate and backlight module using the same: A backlight module (2) includes a light source (66) and a light guide plate (20), the light guide plate includes a light incidence surface (25), a light-emitting surface (21) adjacent to the light incidence surface; and a bottom surface (22) opposite to the light-emitting surface, the bottom surface includes a...

20060018624 - Z-axis alignment of an optoelectronic component using a composite adhesive: An optoelectronic package that employs a spacer tool system to properly align an optical component within the device is disclosed. In one embodiment, the package includes a mounting surface, and an optical component positioned on the mounting surface at a predetermined distance from a reference point. The optical component is...

20060013522 - Optical switch: An optical switch has an optical waveguide whose output path of an optical signal branches into two, a carrier injection section which is provided to a branch portion of the optical waveguide and to which carriers are injected, and a refractive index change section which is provided to a optical...

20060013523 - Fiber optic position and shape sensing device and method relating thereto: The present invention is directed toward a fiber optic position and shape sensing device and the method of use. The device comprises an optical fiber means. The optical fiber means comprises either at least two single core optical fibers or a multicore optical fiber having at least two fiber cores....

20060013524 - Optical integrated circuit and method for fabricating the same: The present technique relates to a method and apparatus for fabricating an optical integrated circuit amplifier with another type of optical integrated circuit. In optical networks, optical components exchange optical signals to communicate between different systems coupled to the optical components. The optical components may include optical integrated circuit amplifiers...

20060013525 - Substrate, semiconductor device, method of manufacturing substrate, and method of manufacturing semiconductor device: A substrate for mounting an optical element having a light emission/reception part is disclosed. The substrate includes a base material and an optical waveguide penetrating through the base material. The optical waveguide is positioned opposite to the light emission/reception part. The base material is formed of silicon....

20060013526 - Planar array optical switch and method: An optical switch device includes a first array (20) of reflectors (22), each associated with a separate optical fiber input (12), and a second array (30) of reflectors (32), each associated with a separate fiber output (14). The reflectors (22 and 32) are positionable to direct an optical signal from...

20060013527 - Optical distribution system for sensors: A single fiber optic cable is configured as a multiplexer/demultiplexer that allows wavelengths to exit the fiber along its length and feed an optical sensor network in a cost efficient and space efficient manner. The fiber may be implemented as a multimode optical fiber that includes a plurality of Fiber...

20060013528 - Scanning method and apparatus: A scanning apparatus and method, the apparatus comprising: a light transmission means (90) having an exit tip; first and second drive means (92,94) for resonantly driving the light transmission means (90) in orthogonal directions; wherein the first and second drive means (92,94) are operable to move the tip in an...

20060013530 - Dispersion-slope compensator: A dispersion-slope compensator including a feedback-type optical filter constituted by a looped optical line; an input-and-output optical line which inputs and outputs optical signals; and optical couplers which couples the looped optical line and the input-and-output optical line at two or more positions so that a Mach-Zehnder interferometer is formed...

20060013529 - Variable dispersion compensator: The present invention provides a dispersion compensator applicable to a WDM optical transmission system and featuring low loss, wideband usage, and minimum ripple. The dispersion compensator is constructed so that the light emitted from a collimator will be reflected from an etalon of a 100% single-side reflectance by arranging the...

20060013531 - Measuring device: In a device for measuring physical parameters, such as temperature, light from a light source is coupled through one or more optical wavelengths into and out of a microparticle forming an “optical resonator”. To optically and mechanically couple the resonator to the optical waveguide in the most favorable manner, the...

20060013532 - Fiber delivery system with enhanced passive fiber protection and active monitoring: In an optical fiber system for delivering laser, a laser beam is focused onto an optical fiber at an injection port of the system. The end portions of the fiber have cladding treatments to attenuate stray light and cladding mode light, so as to enhance the protection of the outer...

20060013533 - Method and apparatus for improving safety during exposure to a monochromatic light source: A method and apparatus are disclosed for improving bodily safety during exposure to a monochromatic light source by diverging the monochromatic light, such as with a highly durable diffuser. At a first position of the distal end of the monochromatic light source the energy density of an exit beam from...

20060013534 - High-resolution fiber laser sensor: A high-resolution fiber laser sensor for measuring a quantity to be measured M has a pumping light source (2), a fiber laser (1) and a detection/evaluating unit (3). The fiber laser (1) has: a birefringent first end reflector (11), a second end reflector (12), a laser-amplifying fiber (13), a sensor...

20060013535 - Optical communication device: An optical communication device includes a light source that emits a light beam and an optical fiber having a core and a cladding. The optical fiber has a light entrance face having a core region and a cladding region. The light beam emitted by the light source is converged by...

20060013536 - Arrayed waveguide grating with increased uniformity of a performance parameter: An arrayed waveguide grating (AWG) device comprising a substrate having a first array of waveguides optically coupled between first and second slab couplers and a second array of input-output waveguides optically coupled at first ends thereof to an input/output side of the second slab-coupler. The input/output waveguide are tapered at...

20060013538 - Ferrule with tilt correction: A ferrule for connecting a optical fiber to a mating optical fiber or an item of network gear includes a guide hole having a consistent first dimension in a first region and a larger dimension in a second region. A guide or alignment pin inserted through the guide hole forms...

20060013537 - Optical fiber connector-use ferrule an optical fiber connector structure, and ferrule connecting sleeve: A pair of ferrules used for a fiber connector has a first ferrule 58a having an optical fiber-inserting hole, and a second ferrule 58b arranged opposite to, and on the same axis as, the first ferrule. The front portion of the first ferrule has a male convex shape, and the...

20060013539 - Optical plug-in connection: An optical plug-in connection including: an optical plug-in connector; a coupling configured to receive the plug-in connector; and locking means for locking the plug-in connector in the coupling when the plug-in connector is inserted into the coupling, wherein the locking means are designed to prevent unintentional unlocking when in a...

20060013540 - Single fiber optical transceiver module: An optical transceiver module includes an electrical interface adapted to receive or output an electrical signal, an optical interface adapted to receive or output an optical signal, and an optical transceiver component. The optical transceiver component includes an Avalanche Photo Diode (APD) that converts an optical signal from the optical...

20060013541 - Optoelectronic module: An optoelectronic module for optical signals of two optical data channels, the module having a first submodule, which generates or detects optical signals of a first data channel, a second submodule, which generates or detects optical signals of a second data channel, a coupling device for coupling an optical waveguide,...

20060013542 - Optoelectronic module and plug arrangement: A compact optoelectronic module that prevents undesirable heating by locating the electrical drive and/or receiving (control) circuit outside of the housing containing the optoelectronic transducer. The control circuit is mounted on a submount (PCB). The housing is mounted on the submount adjacent to the control circuit, and the optoelectronic transducer...

20060013543 - Electro-optical stimulation/measurement: An electro-optical system includes an array including a plurality of optical fibers and a plurality of electrodes, and an insulator. The optical fibers are configured to transmit light, the optical fibers being mechanically coupled at distal ends in a distal arrangement and mechanically coupled at proximal ends in a proximal...

20060013544 - Imaging system and related techniques: A method and apparatus for imaging using a double-clad fiber is described....

20060013546 - Optical fiber, evaluation and fabrication method thereof: An optical fiber having a small increase in loss at a wavelength of approximately 1400 nm involved in a deuterium treatment is provided, and an evaluation method to decide whether an optical fiber is that having such a loss increase, and a fabrication method of an optical fiber having a...

20060013545 - Polarisation-dependent optical fibre amplifier: Apparatus comprising an optical fibre (1) having a waveguide (2) and at least one stress applying region (3): in which the waveguide (2) is defined by a numerical aperture; the stress applying region (3) has a depressed refractive index; the optical fibre (1) is configured such that the waveguide (2)...

20060013547 - Method for manufacturing optical waveguide, and optical waveguide made by the method: A method for manufacturing an optical waveguide including a core 1 and a cladding 2 that are integrally formed is provided. The method includes a masking step of masking a monolayer film 11 containing a photobleachable material by sandwiching the monolayer film 11 between a pair of masking members 12A...

20060013548 - Low cutoff large effective area optical fiber: An optical waveguide fiber having large effective area, low slope, low cutoff, and low attenuation is disclosed. The optical fiber has at least two core segments and the inner profile volume of the core of the fiber is greater than 2.0%-μm2....

20060013550 - Optical fiber with nano-particle overclad: An optical fiber includes a core, a cladding layer, and an overclad layer that has a plurality of nano-particles the core....

20060013549 - Organic devices having a fiber structure: A photoactive fiber is provided, as well as a method of fabricating such a fiber. The fiber has a conductive core including a first electrode. An organic layer surrounds and is electrically connected to the first electrode. A transparent second electrode surrounds and is electrically connected to the organic layer....

20060013551 - Symmetrization structures for process-tolerant integrated optical components: An integrated planar waveguide system including at least two primary waveguides for light propagation and coupling, and two or more mirror-imaged symmetrization structures in close proximity to the primary waveguides in order to provide micro-process-equalization during etch, growth, annealing and reflow processes. The primary waveguides are designed to carry light...

20060013552 - Cable exit trough with insert: A cable exit trough defining an insert aperture for receiving a modular cable management inserts. The modular insert providing an additional cable management device such as a curved guidewall. The cable management device may alternatively be fixed to the cable exit trough. Removable snap-mounted flanges may also be included in...

20060013553 - Variable optical attenuator: Two mirrors (15) and (16) making an angle of 90 degrees are formed on a front face of a mirror member (17). An optical fiber for input (12) and an optical fiber for output (13) are held in a fiber array (14) with a predetermined interval, and an emission lens...

20060008194 - Optical module: An optical module having: a first transmission line and a second transmission line, both connected in series to transmit electrical signals; a laser diode element; an optical modulator element; a termination resistance element for impedance matching; a first bonding wire connecting one end of the first transmission line and the...

20060008195 - Acousto-optic device: The present invention relates to an acousto-optic device capable of extending the frequency band of SAWs being able to be generated by it, the acousto-optic device comprising: a light propagation unit for propagating light; a surface acoustic wave propagation unit capable of propagating a surface acoustic wave causing interaction with...

20060008196 - Bragg grating pressure sensor: A pressure sensor with a Bragg grating that may be particularly applicable to the chemical industry and for example includes an optical fiber and a Bragg grating formed in a portion of the fiber, submitted to pressure, and a lateral support of the portion. The portion is submitted to a...

20060008197 - Multi-layered sensor: A multi-layer sensor (10) and a use for the sensor (10) are described. This sensor is multi-layered in construction. 5 An optical wave guide (18) is passed through the sensor (10) such that in the event of an external application of force the force acts on the optical wave guide....

20060008198 - Method and apparatus facilitating mechanical beam steering for optical integrated circuits: Actuators facilitating mechanical beam steering for optical integrated circuits are disclosed. The mechanical beam steering can mitigate thermal sensitivity of optical circuits, for example, arrayed waveguides. Also disclosed are methods for fabricating optical integrated circuits employing actuators....

20060008199 - Optical apparatuses providing optical interconnections among a plurality of electronic components: Optical apparatuses providing optical interconnections among a plurality N of electronic components. One exemplary apparatus comprises a slab waveguide having a core layer that enables light beams to propagate in a plurality of directions, a plurality of N reception ports, and a plurality of N transmission ports, each reception port...

20060008200 - Tunable filter and method of manufacturing the same, and sensing device: A tunable filter including; a fixed substrate provided with a fixed reflecting film and capable of transmitting light having a shorter wavelength than infrared light; a movable substrate provided with a movable section equipped with a movable reflecting film and disposed to the fixed substrate so that the movable reflecting...

20060008201 - Electrode configuration for piano mems micromirror: A micro-electro-mechanical (MEMs) mirror device for use in an optical switch is disclosed. A “piano”-style MEMs device includes an elongated platform pivotally mounted proximate the middle thereof by a torsional hinge. The middle portion of the platform and the torsional hinge have a combined width less than the width of...

20060008202 - Light source apparatus for wdm optical communication and optical communication system: A light source apparatus for use with optical communication using external-injection light sources, and an optical communication system using the light source apparatus. The light source apparatus for optical communication includes external-injection light sources, and a multiplexer/demultiplexer. The multiplexer/demultiplexer provides light components spectrum-sliced broadband light from a broadband light source...

20060008204 - Highly insulated inductive data couplers: There is provided an inductive coupler for coupling a signal to a power line. The inductive coupler includes a magnetic core for placement about the power line, and a coil wound around a portion of the magnetic core. The coil includes a coaxial cable having a non-insulative outer layer coupled...

20060008203 - Optical signal amplifying triode and optical signal transfer method, optical signal relay device, and optical signal storage device using the same: When in an optical signal amplifying triode 10, light of a second wavelength λ2, selected from among light from a first optical amplifier 26, into which a first input light L1 of a first wavelength λ1 and a second input light L2 of second wavelength λ2 have been input, and...

20060008205 - High efficacy waveguide coupler: An optical coupling apparatus for coupling a waveguide to a light source, when the light source emits light at a divergence angle that is larger than the critical angle of the waveguide. The optical coupler comprises a plurality of light-guides, preferably cut from the edge of the waveguide. The light-guides...

20060008208 - Optical fiber gratings with azimuthal refractive index perturbation: The present invention relates to a type of optical fiber grating having an azimuthal refractive-index perturbation. The optical fiber includes a fiber grating that has a plurality of grating elements formed therein. At least one of the grating elements has a spatially varying index of refraction that varies azimuthally about...

20060008207 - Polarization splitting grating couplers: A polarization splitting grating coupler (PSGC) connects an optical signal from an optical element, such as a fiber, to an optoelectronic integrated circuit. The PSGC separates a received optical signal into two orthogonal polarizations and directs the two polarizations to separate waveguides on an integrated circuit. Each of the two...

20060008206 - Waveguide plate and process for its production and microtitre plate: A waveguide plate and a process for making the waveguide plate with a plate-like glass substrate (1), carrying a waveguiding layer (2), with at least one coupling grating on the surface carrying said waveguiding layer (2), which coupling grating is formed as a grating of lines with a period between...

20060008209 - Integrateable band filter using waveguide grating routers: The inventors propose herein a novel band filter design for planar lightwave circuits. In one embodiment of the present invention, the band filter includes two waveguide grating routers interconnected by a third waveguide grating, wherein waveguides comprising the third waveguide grating have unequal path lengths. In addition, the waveguides in...

20060008210 - Network tap with interface for connecting to pluggable optoelectronic module: A network TAP that provides access to data communicated in a network. The TAP includes a first port for connecting to a pluggable optoelectronic module such as an optical transceiver, a link port for connecting to an optical link configured to receive and send data to the optical transceiver, and...

20060008211 - Ferrule and method of manufacturing the ferrule: To provide a ferrule of any desired length while maintaining axial alignment of optical fibers. A plurality of ferrule components 30 having one or two or more fine holes 31 in which an optical fiber 4 is inserted are connected along an insertion direction of the optical fiber 4....

20060008212 - Ferrule for connecting optical fibers and method of producing the same: A ferrule (11) includes an inner hole (12a) that is formed of crystallized glass and into which a quartz glass-made optical fiber (4) (core) is inserted, a tip end face (12b), and an outer circumferential surface (12d). The tip end face (12b) is formed with a flat surface (12b1) on...

20060008213 - Wall mount fiber optic connector and associated method for forming the same: A wall mount fiber optic connector includes a connector body portion to be mounted on a wall of an electronic system, and the connector body portion has ferrule-receiving passageways therein. Opto-electronic (O/E) converters are coupled to the ferrule-receiving passageways, with each O/E converter being associated with a respective ferrule-receiving passageway....

20060008214 - Integrated packaging system for optical communications devices that provides automatic alignment with optical fibers: An integrated packaging system that comprises an integral mechanical support, a printed circuit board and the optical communications device. The mechanical support includes a first support element and a second support element. The first support element extends at a non-zero angle from the second support element. The printed circuit board...

20060008215 - Ribbon with fiber optics: A combination ribbon for bows or other decorative uses, which includes a central ribbon with a fiber optic cable therein, or at least one translucent cable jacket on one edge of the ribbon with a fiber optic cable therein, which cable has portions of its sheath removed to provide light...

20060008216 - Device for signal transmission between two terminals: A device for signal transmission includes two terminals, between which a flat ribbon line (10) is arranged, which runs in turns, forms a winding body, is housed in an essentially circular cassette, and has at least two parallel, spaced conductors (15) embedded in a sheath (16) made of insulating material....

20060008217 - Large-scale image display apparatus using optical fiber: The present invention discloses an image display apparatus using optical fiber in which moving images projected from a projector can be transferred to a screen through an optical fiber bundle with a high-definition image quality. An object of the present invention is to improve message transfer effect of various information...

20060008219 - Direct diode contact high power fiber optic laser system: Embodiments include a fiber optic laser system having at least one optical waveguide with a laseable core and a pump cladding disposed adjacent the lasing core. A source of electromagnetic pumping energy is disposed adjacent to the optical waveguide and has an emission axis that is directed toward the optical...

20060008218 - Method of manufacturing an optical fibre, a preform and an optical fibre: A method of manufacturing an optical fibre, comprises: (i) forming a preform (10) for drawing into the fibre, the preform (10) comprising a bundle of elongate elements, (20,50) arranged to form a first region that becomes a cladding region of the fibre and a second region that becomes a core...

20060008220 - Optical lowpass filter and method for producing an optical lowpass filter: The invention relates to an optical lowpass filter that has a plurality of light guiding optical fibers, and to a method for producing such an optical lowpass filter....

20060008221 - Highly nonlinear optical fiber and highly nonlinear optical fiber module: A highly nonlinear optical fiber includes a core, a cladding surrounding the core, and a coating covering the cladding. A bending loss at a wavelength of 1550 nanometers with a bending diameter of 20 millimeters is equal to or less than 0.01 dB/m. A nonlinear coefficient at the wavelength of...

20060008227 - Apparatus for optical measurements on low-index non-solid materials based on arrow waveguides: An optical waveguide is constructed so as to comprise a non-solid core layer surrounded by a solid-state material. The non-solid core layer has an index of refraction which is lower than the index of refraction of the surrounding solid-state material, and light can be transmitted with low loss through the...

20060008226 - Fiber optic wafer probe: A fibre optic wafer probe that includes a fibre optic cable for approaching a device under test....

20060008224 - Laminated optical waveguide film, method of producing the same, and optical waveguide module: The invention provides a laminated optical waveguide film in which a plurality of waveguide cores are formed, and a plurality of end surfaces at which the waveguide cores are exposed are formed, wherein, among the plurality of end surfaces, a first end surface has waveguide core end surfaces laminated in...

20060008222 - Photosensitive resin composition for optical waveguide formation and optical wave guide: e

20060008223 - Pn diode optical modulators fabricated in rib waveguides: High speed optical modulators can be made of a reverse biased lateral PN diode formed in a silicon rib optical waveguide disposed on a SOI or other silicon based substrate. A PN junction is formed at the boundary of the P and N doped regions. The depletion region at the...

20060008225 - Process for producing flexible optical waveguide: The present invention provides a process for producing a flexible optical waveguide which comprises the steps of: immersing a substrate having an optical waveguide formed thereon in water to thereby reduce adhesion between the optical waveguide and the substrate and then peeling the optical waveguide from the substrate; temporarily bonding...

20060008228 - Light tunnel retention and adjustment apparatus: A light tunnel retention and adjustment mechanism for retaining and aligning a light tunnel in a light tunnel assembly. The light tunnel retention and adjustment mechanism includes one or more first compliant spring fingers that interface with the light tunnel along a first surface to provide a compliant spring force...

20060008229 - Fiber distribution frame having offset inner door section and fiber optic component router for maintaining minimum bend radius of fiber optic components: A fiber distribution frame includes a cabinet which houses fiber optic components. A door frame is connected to the cabinet for the door to close relative to a front face of the cabinet. The door frame surrounds an opened area which exposes the front face when the door is closed...

20060008231 - Hinged parking in fiber distribution hubs: A parking adapter is provided that may include a plurality of receptacles configured to receive a like plurality of connectors, where each connector is associated with an optical fiber. The parking adapter may include a dust cap post configured to receive a connector dust cap and a mounting device configured...

20060008230 - Multiple hinged tray cable connecting joint and method of using same: A multiple hinged tray cable connecting joint includes a plurality of fiber trays pivotably coupled between sockets connected to fiber optic cables. The fiber trays can be positioned in a fiber loading position in which the fiber is spliced and coiled into the tray. The fiber trays can then be...

20060008232 - Systems and methods for fiber distribution hub administration: A method for configuring an enclosure used in a communications network is described. The method may include providing a group of pigtails. The method may further include routing the group of pigtails circumferentially around a subscriber termination field, where the group of pigtails is associated with an optical splitter module...

20060008233 - Systems and methods for fiber distribution hub administration: A method for configuring an enclosure used in a communications network is described. The method may include providing a group of pigtails. The method may further include routing the group of pigtails circumferentially around a subscriber termination field, where the group of pigtails is associated with an optical splitter module...

20060008234 - Systems and methods for fiber distribution hub administration: A method for configuring an enclosure used in a communications network is described. The method may include providing a group of pigtails. The method may further include routing the group of pigtails circumferentially around a subscriber termination field, where the group of pigtails is associated with an optical splitter module...

20060008235 - Cable clip: A cable clip includes a housing defining an open space and outer grooves about the housing for mounting the cable clip into a mounting opening, the inner edge of the housing including trumpet flares around the edges of the ends and side to provide bend radius protection for cables passing...

20060008236 - Optical fibre sealing: A method is provided for sealing a container into which optical fibres are fed. A portion of the optical fibres is accommodated between two strips which are sealed together by applying heat and/or pressure. The strips are then placed in an opening of the container and the container is sealed....

20060008237 - Light guiding member, illumination apparatus, and projector: A light guiding member guides diffusion light using as a central axis a substantial center of the diffusion light emitted from a light source, and comprises a tapered rod and a pipe. The tapered rod comprises an incident end face, an emissive end face having an area larger than that...

20060008238 - Optical antenna: An optical antenna includes an optical element mount (3) for mounting fiber ends (1a and 2a) of optical fibers (1 and 2) at different positions; and an optical transmitting and receiving system (4) for collimating, when laser beams are radiated from the fiber ends (1a and 2a), the laser beams...

20060002649 - Intrusion detection system for use on an optical fiber using a translator of transmitted data for optimum monitoring conditions: A method and system of intrusion detection system for a multimode fiber optic cable. A light signal is launched into the cable fiber to establish a narrow spectral width, under-filled non-uniform mode field power distribution in the cable. A small portion of the higher order signal modes arriving at the...

20060002650 - Intrusion detection system for use on an optical fiber using a translator of transmitted data for optimum monitoring conditions: A method and system of intrusion detection system for a multimode fiber optic cable. A light signal is launched into the cable fiber to establish a narrow spectral width, under-filled non-uniform mode field power distribution in the cable. A small portion of the higher order signal modes arriving at the...

20060002651 - Optical waveguide module, optical waveguide film and manufacturing method thereof: An optical waveguide module includes a light emitting element which outputs light, a light receiving element which monitors an output of the light emitting element, and an optical waveguide film having a waveguide core which has a notched portion having an optical path changing surface that changes an optical path...

20060002653 - Apparatus for an optical circuit having a flat wavelength response: Optical circuits having a flat wavelength response are disclosed. A disclosed apparatus includes a first optical coupler, first and second optical waveguides optically coupled to the first optical coupler and a second optical coupler optically coupled to the first and second optical waveguides. The first optical coupler couples input light...

20060002654 - Optical fibre switching assembly: An optical beam steering arrangement, comprises: a moveable optical element; actuating means for causing the movement of said element; a connecting means between said element and said actuating means for transmitting movement from said actuating means to said element; and flexure means which carry said optical element and are compliant...

20060002652 - Optical shuttle system and method used in an optical switch: An optical shuttle for routing signals in a communications system that includes a terminal connected to a power source, a shuttle that includes waveguides used for routing the signals, and a beam connected to the terminal and the shuttle so that the beam suspends the shuttle. When power from the...

20060002655 - Apparatus and method for making flexible waveguide substrates for use with light based touch screens: Flexible optical waveguide substrates that can be used with touch screen displays. The waveguide substrates include a flexible base material. A first optical layer having a first index of refraction value is formed on the flexible base material. A second optical layer is then formed on the first optical layer,...

20060002656 - Surface relief structure: A stepped surface relief structure positioned on a substrate is configured to reflect narrow-band light wavelengths and is further configured such that the substrate can be incorporated into at least one of a thread, a fiber or a flake....

20060002657 - Optical waveguide device and optical waveguide module: An object of the present invention is to provide an optical waveguide device and an optical waveguide module having the function to multiplex/demultiplex or couple/decouple optical signals and particularly to provide an optical waveguide device and an optical waveguide module for realizing low optical loss, reducing wavelength dependence and ensuring...

20060002658 - Light guide body: A light guide body includes: at least a front end tapered portion including one end connectable to an optical fiber and the other end, the one end being thinner than the other end; a plurality of second taper portions, each including one end connectable to an optical fiber and the...

20060002659 - Flexible optical interconnection system: An optical connector system assembled from modular components. These components include connector modules that position ferrules for mating and providing fine alignment to fibers. The modules are assembled to support members to form connectors of various sizes. Mounting modules are attached to the support members. Various shaped mounting modules are...

20060002660 - Two-piece nose assembly with solid sleeve for optical subassembly: A two piece nose assembly for optoelectronic devices is disclosed. The assembly includes a first piece having a central bore and an annular alignment recess about the central bore. The first piece can be attached to a housing of the optical device. The assembly also includes an annular second piece...

20060002661 - Method of assembling optoelectronic devices and an optoelectronic device assembled according to this method: A method of assembling an optical device comprising an optical ferrule (1) is provided, according to which said one optical ferrule (1) is secured to a first substrate (3) so as to form an optical subassembly (13); the method further comprises providing a second substrate (9) comprising a main surface...

20060002662 - Small form factor, field-installable connector: A small form factor, field-installable optical connector comprising: (a) a small form factor connector housing having a front and back orientation; (b) a ferrule disposed in the connector housing; (c) a clamping assembly disposed in the connector housing rearward of the ferrule and adapted to receive and retain a terminating...

20060002663 - Apparatus for electrical and optical interconnection: An optical-electronic interface may include a circuit substrate, an electrical component mounted on the substrate, an optical component mounted off the substrate, and a flexible interconnect having a first end electrically connected to the optical component and second end electrically connected proximate to the optical component. The electrical component may...

20060002664 - Packaging for a fiber-coupled optical device: An optical device assembly comprises a substrate with a component and fiber groove thereon. A segment of optical fiber is engaged with the fiber groove, which positions the fiber segment for optical coupling with a component on the substrate. A fiber retainer maintains the fiber segment in engagement with the...

20060002665 - Connector system for optical wave guides: An optical connector system joining waveguides in two printed circuit boards. A flexible optical conductor is connected at one end to one of the boards. The flexible conductor includes at its free end an alignment structure that provides a separable, low loss interface to an alignment structure coupled to the...

20060002666 - Shaped lead assembly for optoelectronic devices: A shaped lead configuration for use with optoelectronic packages, such as optical subassemblies, is disclosed. The lead configuration enables the shaped leads to electrically connect with through-hole vias defined in a printed circuit board while minimizing space requirements and providing stress relief for the leads. In one embodiment, an optical...

20060002667 - Optical transceiver interface for multimode fibers: Systems and devices using diffractive and optionally refractive elements to launch an optical signal with a controlled amplitude and phase distribution into a multimode optical fiber for improved modal dispersion are provided. More particularly, optical ports, transmitter optical subassemblies (TOSAs), and transceivers use integrated diffractive and optionally refractive elements to...

20060002668 - Optical tube assembly having a dry insert and methods of making the same: An optical tube assembly and methods of manufacturing the same include a tube, at least one optical waveguide, and a dry insert. In one embodiment, the dry insert generally surrounds the at least one optical waveguide and forms a core that is disposed within the tube. In one embodiment, the...

20060002669 - Optical fiber array with an intermittent profile and method for manufacturing the same: An optical fiber array having a plurality of intermittent weakened portions allows subunit or groups of the fibers in the optical fiber array to be accessed without the need for special tools and a method for manufacturing the same are provided. In one embodiment, the optical fiber array includes at...

20060002670 - Light-emitting gift combined with foggy and color-changing ball: The present invention is to provide a light-emitting device comprising a hollow body having a base, a first and a second light sources on the base, at least one optical fiber section provided on the body, a frame element provided on the body and a foggy and color-changing ball supported...

20060002671 - Optical fiber, apparatus and method for manufacturing optical fiber: A method for manufacturing an optical fiber by drawing an optical fiber preform softened by heating, includes cooling the optical fiber at a cooling rate of not more than 4000° C. per second at a temperature of 1200 to 1400° C. of the optical fiber; and cooling the optical fiber...

20060002672 - Multimode optical fiber for high rate lan, method for manufacturing the same, and test bed thereof: Disclosed is a method for manufacturing a multimode optical fiber for high data rate LAN using MCVD, which includes a deposition process for forming a clad layer and a core layer, doped with an additive for controlling a refractive index, on an inner wall of a quartz tube by injecting...

20060002673 - Thermally-shaped optical fiber and a method for forming the optical fiber: A thermally-shaped optical fiber and a method for forming the same so as to minimize the presence of optical artifacts in the optical fiber that contributes to insertion loss....

20060002674 - Broadband ultra-flattened dispersion micro-structured fiber: The invention relates to a micro-structured fiber comprising a core region and a cladding region. The cladding region has a plurality of air holes regularly arranged on a plurality of rings, wherein the innermost ring of the fiber defines the core region. The cladding region comprises an inner circumference portion...

20060002675 - Light guide plate for surface light-emitting device and method of manufacturing the same: A light guide plate for a surface light-emitting device and a method of manufacturing the same are disclosed wherein the light guide plate is constructed in the form of an optical waveguide including an upper cladding film, core films formed with V-cut grooves, and a lower cladding film, so that...

20060002676 - Method and apparatus for fabricating waveguides and waveguides fabricated therefrom: A method for adaptively fabricating a waveguide comprises: measuring misplacement of a photonic device relative to a substrate; generating computer readable instructions for using a plurality of graphics primitives to form the waveguide; and photocomposing the waveguide on the substrate in accordance with the computer readable instructions. A reticle comprises...

20060002677 - Light guide reading board: A light guide reading board composed by a light guide plate and a shell is used for occasions without enough light, or at night. The device features on that a slot is arranged on a side of the shell for being disposed with a moveable magnifying glass frame while a...

20060002678 - Phosphor based illumination system having a long pass reflector and method of making same: An illumination system including a light source, a light guide including an output surface, emissive material positioned to receive light from the output surface of the light guide, and an interference reflector positioned such that the emissive material is between the output surface of the light guide and the interference...

20060002679 - Injection mold for light guide body and apparatus for manufacturing light guide body using same: A cavity is defined inside an injection mold to provide a contour of a light guide body. Also provided in the injection mold is a through hole communicating with the cavity and allowing an optical fiber to be inserted in the through hole. The through hole includes a columnar space...