Optical waveguides inventions 05/06

20060110088 - Method, apparatus and system for minimally intrusive fiber identification: A method, apparatus and system for minimally intrusive fiber identification includes imparting a time-varying modulation onto an optical signal propagating in an optical fiber and subsequently detecting the presence of the time-varying modulation in the optical signal transmitting through the fiber to identify the fiber. In a specific embodiment of...

20060110089 - Optical modulator: An optical modulator restricted in a photorefractive phenomenon caused by a stray light in an optical modulator, and improved in the quenching ratio characteristics of a signal light. The optical modulator comprises a substrate consisting of a material having an electro-optic effect, an optical waveguide formed on the substrate, and...

20060110090 - Apparatus, method, and computer program product for substrated/componentized waveguided goggle system: An apparatus and method for a substrate-supported goggle system and a componentized goggle system. The electronic goggle apparatus includes one or more semiconductor substrate, each the substrate supporting: a plurality of integrated waveguide structures, each waveguide structure including a guiding channel and one or more bounding regions for propagating a...

20060110091 - Semiconductor optical waveguide device: A semiconductor optical wave guide device (1) comprising a semiconductor layer (3) having an upper surface (5), and a lower surface (7) which is defined by a lower confinement layer(9), the semiconduct or layer having formed therein: (a) a wave guide (13); (b) at least one recess (19) adjacent to...

20060110092 - Polarization mode dispersion compensator, polarization mode dispersion compensating method, and its application to optical communication system: The present invention provides a polarization mode dispersion compensator comprising: a compensating portion which includes a first polarization controller which performs polarization conversion on light propagating along an optical transmission line and a DGD (Differential Group Delay) emulator which adds a DGD to the light which is polarization-converted by said...

20060110094 - Bidirectional electro-optical device for coupling light-signals into and out of a waveguide: The invention relates to an optoelectronic module for coupling light signals into and out of an optical waveguide. The module has a carrier having at least a first side, a light transmitter for emitting light signals, which is arranged on the carrier, a receiver for detecting light signals, which is...

20060110100 - Etched-facet semiconductor optical component with integrated end-coupled waveguide and methods of fabrication and use thereof: An optical apparatus comprises a semiconductor optical device waveguide formed on a semiconductor substrate, and an integrated end-coupled waveguide formed on the semiconductor substrate. The integrated waveguide may comprise materials differing from those of the device waveguide and the substrate. Spatially selective material processing may be employed for first forming...

20060110099 - Hybrid circuit substrate with optical and electrical interconnects, hybrid circuit module with optical and electrical interconnects and manufacturing methods thereof: Transmission of electric and optical signal, realization of high-speed and high capacity of transmission of information signals. A base substrate section having an interconnect layer formed on an insulating substrate by a printed circuit process; a micro interconnect circuit section having a micro electrical interconnect layer which is finer than...

20060110095 - Optical chip for optical transmission and method of making the same: An optical chip has a substrate made of a dielectric crystal. Surfaces are defined on the substrate along parallel planes perpendicular to a flat surface of the substrate. A light waveguide is formed in the substrate along the flat surface of the substrate based on diffusion of a mineral material....

20060110097 - Optical device and optical apparatus: An optical device according to the present invention includes a device substrate, a translucent member, an optical element chip and a conductive portion. On a surface of the device substrate, an opening is provided so as to extend substantially in the vertical direction with respect to a surface of the...

20060110096 - Optical module: An optical module includes a photoelectric element that performs a conversion between an optical signal and an electric signal; a body having a first surface and a second surface, the first surface and the second surface being continued and adjacent to each other; and an electric circuit board that is...

20060110098 - Optical waveguide device, manufacturing method thereof and optical communication apparatus: A method of manufacturing an optical waveguide device includes providing an optical fiber guide for fixing an optical fiber and optical element placing portions for providing element mounting benches outside a waveguide fixing region of a silicon substrate. A metallic thin film is formed outside the waveguide fixing region of...

20060110093 - Process of information transmission in optical circuit device and optical circuit device therefor: An information transmission process is disclosed in which information is transmitted between a signal-emitting port for emitting an optical signal and plural signal-receiving ports through a light transmissive medium in an optical circuit device. The process comprises a first step of transmitting a first information from the signal-emitting port by...

20060110101 - Microfabrication process for control of waveguide gap size: A method for forming a gap (16) of a width (d) which meets selected tolerance limits includes forming sidewalls (80, 82) in a microstructure, the sidewalls defining a gap (16) therebetween. The gap has a width defined between the sidewalls. The width of the gap between the sidewalls is determined....

20060110102 - Restoring optical pulses: In one embodiment of the present invention, a method includes introducing an optical signal into a first arm and a second arm of an optical device; self-phase modulating the optical signal propagating in the first arm; and outputting a high intensity portion of the optical signal spatially separated from a...

20060110103 - Optoelectronic devices: A locking mechanism suitable for a door or window comprises a barrel having a passage or keyway, a key insertable into the passage or keyway, one or more light sources for generating and transmitting an optical signal and one or more receivers for receiving the or each optical signal. A...

20060110104 - Photoreceptor device module: A light receiving element module includes a stem which signal pins penetrate; a base which is fixed in a direction perpendicular to the stem; a cap member which has a light passing-through hole and is fixed to the stem; a spherical lens which is inserted into the light passing-through hole...

20060110105 - Methods for the alignment and calibration of the spectral responses of optical filters: A method for aligning the spectral responses of two comb-like optical filters is provided. This method does not necessitate the use of spectrally-resolved equipment, as it uses the optical power correlation profile of a broadband light signal representative of the combined spectral responses of the two filters. In one embodiment,...

20060110106 - Fiber waveguide optical subassembly module: A fiber waveguide optical subassembly uses the multi-mode fiber to increase the alignment tolerance between the active optical element and the waveguide. The filter is thinner to lower the dispersion due to the optical coupling gap. The subassembly further combines the optical bench to achieve passive positioning. Therefore it reduces...

20060110107 - Substrate, optical fiber connection end member, optical element housing member, and method of fabrication of an optical module and the substrate: The present invention provides a substrate, an optical fiber connecting end member, an optical element-housing member, a light module, and a manufacturing method of the substrate. The substrate has a feature that can be stably realizable and having a simple structure and that a light waveguide formed on the substrate...

20060110108 - Tunable light transceiver module: A tunable light transceiver module for adjusting a photoelectric device is provided. The tunable structure includes a photoelectric device, a stage, and a set of two-dimensional actuators having a first direction actuator and a second direction actuator. The photoelectric device is installed on the stage. The first direction actuation device...

20060110110 - Optical turn system for optoelectronic modules: An optical subassembly (OSA) for an optoelectronic module uses an optical turn that permits mounting of the OSA on a circuit board of a primary module. A fabrication process for the OSA can achieve low complexity and high yield from the ability to fabricate the OSA separate from fabrication of...

20060110109 - Passive alignment using elastic averaging in optoelectronics applications: In an optoelectronic assembly in which one or more beam paths are to be aligned with a corresponding number of active optical elements, the cooperation between flexible alignment features and fixed alignment features achieves elastic averaging so as to provide the target accuracy. By averaging dimensional and positional errors over...

20060110111 - Editing of real time information on a record carrier: A device for real-time recording information has a file subsystem for storing the real-time information according to predefined allocation rules, including a predefined extent length (N). The device has an application subsystem for managing application control information, which includes clips (291,292) of the real-time information, a playlist of playitems indicating...

20060110112 - Optical fiber for wdm system and manufacturing method thereof: An optical fiber having a length of 1 km or more with average transmission loss in a wavelength band of 1383 nm being less than average transmission loss in a wavelength band of 1310 nm, wherein a maximum value of any 1 km section loss in the wavelength band of...

20060110114 - Manufacturing method of an optical waveguide: A manufacturing method of an optical waveguide is disclosed, the optical waveguide transmitting an optical signal between a luminous source and an optical receiver. The optical waveguide is structured by forming a lower clad layer, a core section, and an upper clad layer one by one on a substrate; by...

20060110116 - Optical control device: An optical control device includes a photonic crystal and a line-defect waveguide formed in the photonic crystal wherein the optical control device is capable of guiding, through the line-defect waveguide, a light having a wavenumber larger than a wavenumber corresponding to an anti-intersection of an even-mode band and an odd-mode...

20060110115 - Polycarbonate resin light diffusion plate: A polycarbonate resin light diffusion plate capable to sufficiently diffusing light from plural light sources disposed direct thereunder, and having no or little luminance unevenness caused by the light sources, is provided. The light diffusion plate has characteristics such as a total light transmittance from 40-80%, a total light reflectance...

20060110113 - Waveguide photodetector: Provided is a waveguide photodetector including: a first clad layer disposed on a substrate; a core layer disposed on the first clad layer and for absorbing predetermined light; a second clad layer disposed on the core layer; and at least one subsidiary layer inserted in the first clad layer and...

20060110117 - Cable management system: A cable management system includes an equipment system, and at least one patch panel having a connectivity interface. The connectivity interface is configured to connect with at least one cable extending from the equipment system. The cable management system also includes a manifold configured to be located between the equipment...

20060110120 - Cable storage device: In order to keep the load on the cables in a cable storage device as light as possible during the process of storing, and furthermore in order to keep the release of the cables as simple as possible, a cable storage device is provided in which at least on one...

20060110119 - Fiber optic protective carrier: A protective carrier for a fiber optic cable comprises a casing within which is a rotor rotatable in a selected one of two opposite directions. The rotor supports the cable at the axis of rotation of the rotor and the cable extends in opposite directions from such axis and is...

20060110118 - Optical fiber distribution apparatus: An optical fiber distribution apparatus is provided having a base panel and first and second mounting panels spaced apart mounted to the base panel. A sub-panel assembly is movably mounted between the first and second mounting panels, and may be tilted from a first position to a second position by...

20060110121 - Optical device and method for producing same: An optical device includes a glass substrate provided with one or more V-shaped grooves and an optical fiber array having one or more optical fibers. The optical fiber array is fixed within the V-shaped grooves of the glass substrate using a fixing adhesive. As viewed from above, a first region...

20060110122 - Fiber used in wideband amplified spontaneous emission light source and the method of making the same: The present invention relates to a fiber having a core of crystal fiber doped with chromium and a glass cladding. The fiber has a gain bandwidth of more than 300 nm including 1.3 mm to 1.6 mm in optical communication, and can be used as light source, optical amplifier and...

20060110123 - Light generating device having polarized light emitting waveguide plate: The present invention relates to a light generating device comprising a slab light guide (1), at least one light input unit (2) arranged on at least one side (10) of said light guide (1) comprising at least one light source (20) and a light incoupling means (21) for coupling light...

20060110124 - Light guide plate with internal light guide elements and backlight module using the same: A light guide plate (32) for a backlight module includes a light incident surface (321), a bottom surface (323), and a plurality of light guide elements (320) disposed therein. Each light guide element has a light refractive surface (324) opposite to the light incident surface. An angle between the light...

20060110125 - Fabrication method of nanoimprint mold core: A fabrication method of a nanoimprint mold core includes providing a substrate having a photo phase change surface; performing a phase change on the photo phase change surface to form at least one first area and at least one second area; at least partially removing the first area to form...

20060110126 - Method and apparatus for fabricating a crystal fiber by utilizing at least two external electric fields: The present invention relates to an apparatus for making a source material into a crystal fiber having different regions of polarization inversion. The apparatus of the present invention is similar to a laser-heated pedestal growth (LHPG) apparatus, characterized in that a first electric field generating device and a second electric...

20060104561 - Fiber optic strain sensor and associated data acquisition system: A fiber optic polarimetric strain sensor and associated data acquisition system capable of all-optical measurements of physical parameters, such as structural strain, gas and liquid pressure, acceleration and vibration, gas and liquid flow rate, and force without fire and explosion hazards associated with conventional strain gage technologies, such as resistance...

20060104564 - Integrated waveguide and method for designing integrated waveguide: An integrated waveguide including a dielectric structure configured to receive a first electromagnetic field distribution via a first major surface and having a second major surface, wherein the first electromagnetic field distribution produces a second electromagnetic field distribution within the dielectric structure. The waveguide further includes at least one metallic...

20060104566 - Microfluidic, optical, and electrical input output interconnects, methods of fabrication thereof, and methods of use thereof: Input/output (I/O) interconnects, fluidic I/O interconnects, electrical, optical, and fluidic I/O interconnects, devices incorporating the I/O interconnects, systems incorporating the I/O interconnects, and methods of fabricating the I/O interconnects, devices, and systems, are described herein....

20060104563 - Optical semiconductor bare chip, printed wiring board, lighting unit and lighting device: A wiring board used for mounting an LED bare chip capable of firmly bonding the LED bare chip and improving yield. In a printed wiring board 2, a distance D between wiring patterns 81 and 85 disposed so as to oppose each other is the smallest at a position nearest...

20060104565 - Optical semiconductor module: An optical semiconductor module includes at least one semiconductor chip including at least one laser diode, a sub-mount or a heat sink, on which the at least one semiconductor chip is mounted, and a bonding wire supplying an operating current to the semiconductor chip. The material, diameter, and shape of...

20060104562 - Printed circuit board comprising electrical conductor paths and means for electro-optical and/or opto-electrical conversion: The invention relates to a printed circuit board comprising electrical conductor paths, said printed circuit board also being provided with optical conductor paths. Furthermore, electro-optical or opto-electrical means are provided on or in the printed circuit board....

20060104567 - Switchable coupling: A switchable coupler (10) has a first waveguide (15) defining an inlet port (31) for a first unpolarised light input (A) and a first outlet port (32), and also a second waveguide (16) defining an inlet port (41) for a second unpolarised light input (13) and a second outlet port...

20060104570 - Coupling grating for focusing light within a waveguide for heat assisted magnetic recording: A method and apparatus for focusing light within a waveguide is provided. The waveguide includes a curved grating adapted to focus light incident thereon to a focused spot proximate a first end of the waveguide. In another embodiment, the first end of the waveguide has a thickness greater than a...

20060104569 - Multi-channel grating design technique: A method of improving a grating design function describing a refractive index variation defining a multichannel grating structure in a waveguide material, the improvement being a reduced maximum refractive index variation in the waveguide material along the grating structure while maintaining a desired functional spectral domain in a spectral response...

20060104568 - Optically induced refractive index modification in ferroelectric optical: A method of inducing refractive index modifications in ferroelectric materials through the application of light in the form of scanned or patterned irradiation, removing the light to leave a permanent refractive index modified structure. This method can be used to design and engineer surface or near-surface structures in the form...

20060104571 - Planar lightwave circuit having optical filter: A planar lightwave circuit having an optical filter, which comprises: a first waveguide; a second waveguide separated from the first waveguide, in which the width of a first cross-section opposite to the first waveguide is wider than that of a second cross-section of the other side; and a trench located...

20060104572 - Axis translation installation mechanism for optoelectronic modules: An optoelectronic module is seated onto a substrate connector by guiding the module along an initial path portion that is misaligned with respect to the mating direction defined by the substrate connector and further includes providing a positive pressure drive along an end path portion with sufficient force to secure...

20060104573 - Optical fiber connector assembly: The present invention is directed to an optical fiber (12,14) connector (10) comprising a longitudinally extending body (16), said body (16) comprising a first end (18) and a second end (20), and said body having a conduit (22) extending from said first end (18) to said second end (20), and...

20060104574 - Field termination apparatus and method for small form factor optical connectors with thermoplastic adhesive: A load adapter and method for terminating an optical fiber in a small form factor connector having a ferrule portion and a barrel portion that include a pre-loaded thermoplastic adhesive material, and a housing. The load adapter includes a thermally conductive body having a base section and a connector mounting...

20060104575 - Optical integrated device: An optical integrated device in which application of an excessive stress or the appearance of a crack due to thermal expansion mismatching is prevented. A first ferrule is fixed to an optical waveguide chip. An optical fiber is inserted into the first ferrule to fix the optical fiber. A package...

20060104576 - Connection structure for optical device, optical device and electronic device: To provide an optical device that can be made thinner. A connection structure for an optical device including a plug provided at one end of an optical transmission medium wherein the plug is attached to a receptacle to thereby achieve an optical coupling between the one end of the optical...

20060104577 - Optical module and optical connector having same: There is provided an optical module capable of preventing the efficiency of optical coupling from deteriorating even if temperature varies. The optical module 1 has a holder 2 and an aspherical lens 11, which are formed of a plastic so as to be integrated with each other. The holder 2...

20060104578 - Fiber optic cable with miniature bend incorporated: A fiber optic cable includes a miniature bend at one end, connecting a pair of optical fibers forming an originating light path with a return light path. The use of the miniature bend to connect to the originating and return light paths results in an end portion of the cable...

20060104579 - Optical fiber cable with fiber receiving jacket ducts: Optical fiber cables with a central strength member encircled by a jacket having ducts which are disposed around the strength member and which receive one or more optical fibers with jacket material between the ducts and the outer surface of the jacket. The optical fibers are free to move in...

20060104580 - Optical fiber cable: An optical fiber cable includes a central tensile member aligned at a center of the optical fiber cable and extending along a longitudinal axis of the optical fiber cable, a plurality of loose tubes for receiving a plurality of optical fibers therein, an outer jacket surrounding the loose tubes so...

20060104581 - Processing method for an image fiber: In the present invention, a deformation process is applied to a part of an image fiber, and when implementing improvement of the quality of the transmitted image, the improvement of the image quality in the center region and peripheral region of the image fiber in the radial direction is carried...

20060104582 - Fabrication of microstructured optical fibre: Microstructured optical fibre is fabricated using extrusion. The main design of optical fibre has a core suspended in an outer wall by a plurality of struts. A specially designed extruder die is used which comprises a central feed channel, flow diversion channels arranged to divert material radially outwards into a...

20060104583 - Method of fabricating ridge type waveguide integrated semiconductor optical device: Provided is a method of fabricating a ridge type waveguide integrated semiconductor optical device. The method includes: separating a substrate into an active waveguide region and a passive waveguide region and selectively epitaxial-growing an active layer and a passive layer in the active waveguide region and the passive waveguide region,...

20060104584 - Optical elements formed by inducing changes in the index of refraction by utilizing electron beam radiation: An optical element such as an interference filter will have adjacent layers of different indexes of refraction but formed of the same optical material. An optical element such as a diffraction grating or beam-splitter will have adjacent sections of different indexes of refraction in the same optical material layer. An...

20060104587 - Optical waveguide device, manufacturing method thereof and optical communication apparatus: A method of manufacturing an optical waveguide device includes providing an optical fiber guide for fixing an optical fiber and optical element placing portions for providing element mounting benches outside a waveguide fixing region of a silicon substrate. A metallic thin film is formed outside the waveguide fixing region of...

20060104585 - Planar lightwave circuit and fabrication method thereof: A method of fabricating a planar lightwave circuit (PLC) having an optical waveguide includes the steps of: (b) forming an initial optical waveguide having a predetermined pattern, which is a transmission medium of light, on a substrate; and (c) reflowing the optical waveguide by applying heat thereto....

20060104586 - Structure of photonic crystal: Disclose is a photonic crystal structure comprises atomic dielectric pillars having a refractive index distribution and a structure which are both mirror-symmetrical in a thicknesswise direction of the photonic crystal. The atomic pillars are arrayed in a two-dimensional lattice pattern to form a dielectric pillar lattice. The dielectric pillar lattice...

20060104588 - Device for holding field termination load adapter for optical connectors: A device is provided for manipulating a load adapter for terminating an optical fiber in a connector having a ferrule portion and a barrel portion that can include a pre-loaded thermoplastic or thermoset adhesive material. The device comprises a body having a handle, a first arm extending from the handle,...

20060104589 - Cable management device: A cable management system includes a first and a second support adapted to be disposed along at least a portion of a first and a second edge of a rack containing a plurality of pieces of equipment. The first support includes a plurality of openings sized and shaped to accept...

20060104590 - Tool for optical connector and tool equipped optical connector: A tool for an optical connector including a clamping portion for clamping an optical fiber between clamping elements, the tool including: first and second insertion members, respectively including separately extractable first and second distal ends, wherein the first and second distal ends maintain the clamping elements in an open state...

20060104591 - Fiber optic jumper routing and securing system having a series of interconnected and anchored enclosures: A system for routing fiber optic jumpers from a fiber optic jumper trough to network equipment includes fiber optic jumper enclosures. Each enclosure has a tubular segment surrounding an interior. The interior of each tubular segment accommodates the placement of fiber optic jumpers within the tubular segment. Some of the...

20060104593 - Light diffusing tip: A light diffusing tip is provided. The light diffusing tip comprises a housing and a monolithic light scattering medium disposed within the housing. The monolithic light scattering medium comprises a first scattering region at a first position, the scattering region having a first scattering property and a second scattering region...

20060104592 - Variable optical attenuator comprising hollow core waveguide: A variable optical attenuator device is described that comprises a first optical input, a first optical output, a first optical path between the first optical input and the first optical output, and means for moving a shutter across said first optical path. A hollow core waveguide is provided to substantially...

20060104594 - Method and apparatus for directing light from a light source: A light guide is configured to direct light from a light source. The light guide has an outer guide member and an inner guide member located in the outer guide member. A light passage is defined through the light guide between the inner and outer guide members. When a first...

20060104596 - Deformable mirror apparatus: An apparatus including a tip-tilt mount, a mirror mounted in the tip-tilt mount, the tip-tilt mount determining an orientation of the mirror, and a forcing frame attached to the mirror and applying at least one bending moment to the mirror. Optionally, the forcing frame includes a vacuum cup connected to...

20060104597 - Optical system, color information displaying method, optical deflecting device, and image projection displaying apparatus: An optical system is disclosed, including: an optical deflecting array including a plurality of optical deflecting devices arranged in a two-dimensional array, each of optical deflecting devices displacing a member having an optical reflection area and deflecting light, so that an incoming light flux entering the optical reflection area is...

20060104595 - Three constraint joint: A precision apparatus (10) includes a constraint joint (256) having a contact (258A) and a contact engager (258B). The contact (258A) includes a contact region (268) that is rounded, and the contact engager (258B) includes a first wall (270A), a second wall (270B), and a third wall (270C). Further, the...

20060098910 - Linear optical modulators and method of linear optical modulation: A device that comprises: a) a first optical waveguide; b) a second optical waveguide; c) an optical coupling region including the first and second optical waveguides, the optical coupling region characterized as having at least one coupling length and comprising a first bias section, a modulation section, and a second...

20060098911 - Resistive heater for thermo optic device: Resistive heaters formed in two mask counts on a surface of a grating of a thermo optic device thereby eliminating one mask count from prior art manufacturing methods. The resistive heater is comprised of a heater region and a conductive path region formed together in a first mask count from...

20060098913 - Apparatus and method for forming an optical converter: An optical converter and method for making same is provided. In accordance with the method, the present invention provides an improved apparatus and methods for fabrication of an optical converter. In one aspect of the invention a method for forming an optical converter is provided. In accordance with this method...

20060098914 - Fiber optic circuit connector: A circuit board uses both electrical and optical connectors to carry signals in both electrical and light form. The optical connector employs redundant alignment features to provide for reliable connectivity between plug in boards and the electro-optic back plane. A process is of forming the back plane and other multilevel...

20060098912 - Optical device: An optical device is made up of a glass substrate, an optical fiber array fixed to an upper portion of the glass substrate, a slit that extends from an upper surface of the optical fiber array into the glass substrate, a filter member inserted into the slit, and a resin...

20060098915 - Hollow core multi-mode interference optical device: A hollow core multi-mode interference (MMI) device is described that comprises a multi-mode waveguide (10, 14) optically coupled to at least two fundamental mode waveguides (8, 12, 16). The device is characterised in that it comprises a means for varying the internal cross-sectional dimensions of a portion of one or...

20060098916 - Optical waveguide switch and method of manufacturing the same: Optical waveguides facing each other with a layer-to-layer spacing kept not to permit the occurrence of a proximity effect perturbation within a gap section formed in an intermediate layer are configured so that at least one of the optical waveguides is moved toward the other facing the one optical waveguide...

20060098918 - Electromagnetic frequency filter: The present invention aims to provide an electromagnetic wave frequency filter capable of transmitting an electromagnetic wave having a predetermined frequency between two waveguides with a high level of efficiency. This object is achieved by the following construction: A resonator 15 that resonates with the electromagnetic wave having the predetermined...

20060098917 - Integrated optical device: An integrated optical device having a first and a second integrated waveguide arranged so as to be in optical coupling relationship in a first and a second spaced-apart coupling region and having respective optically uncoupled waveguide sections in between the first and second coupling regions. A first and a second...

20060098919 - Mounting structure for optical subassembly: A mounting structure is disclosed for mounting optical devices in optical alignment with optical systems. A mounting comb includes a base and a plurality of spaced apart fingers extending from the base perpendicular to and opposite a mounting surface. The mounting surface of the mounting comb is fixedly attached to...

20060098920 - Optical transmission module and manufacturing method thereof: An optical transmission module is disclosed that comprises an optical element having an optical path formed therein, optical connection parts respectively arranged on both sides of the optical element so as to connect the optical element to plural optical fibers, and reinforcement parts. The reinforcement parts are applied to a...

20060098921 - Optical and electrical hybrid connector: An improved hybrid connector for rapidly, reliably, and reversibly making mixed optical and electrical connections has a plug (103) with one or more centrally located fiber-containing optical ferrules (108) and one or more peripheral electrical contacts (109), and second, a socket (105) with interior electrical contacts (115) and a fiber-bearing...

20060098923 - Optical connector assembly, connector holder, and optical connector: An optical connector assembly includes a substrate including a connection surface and an optical element, an optical connector on a distal end of an optical fiber, and a positioning mechanism, that positions the optical fiber with respect to the optical element to provide an optical connection therebetween, the positioning mechanism...

20060098922 - Optical contact module: The optical contact module of the present invention comprises an optical device receiving member (20) including an optical device receiving portion (21) formed with an optical device receiving space for receiving an optical device therein from one end of the optical device receiving member, an optical fiber receiving portion (23)...

20060098924 - Compact optical transceivers including thermal distributing and electromagnetic shielding systems and methods thereof: An optical transceiver includes structures that define an electrical connector port for allowing connection of an electrical connector to an optical subassembly of the transceiver, and structures that define a vent surrounding at least portions of the connector port, whereby the vent allows bidirectional passage of air therethrough. Included in...

20060098925 - Optical module: A small Faraday rotator is placed in the inner space of a receptacle and a holder. Because the plane of polarization is rotated, even when backreflection light returns to a laser diode, the lasing state does not become unstable. Being placed in the inner space and fixed there, the Faraday...

20060098928 - Fabrication of optical waveguide devices: Disclosed is a method of fabricating an optical waveguide device including the steps of forming a mask over a waveguide core material layer so as to leave a portion of the layer exposed, and exposing the structure to an oxidizing environment to form an oxide layer on the waveguide core...

20060098927 - Integrated sensor with electrical and optical single molecule sensitivity: An optical waveguide is constructed so as to comprise a non-solid core layer surrounded by a solid-state material and a nanopore or micropore in fluid communication with the core. The non-solid core layer has an index of refraction which is lower than the index of refraction of the surrounding solid-state...

20060098926 - Methods of forming printed circuit boards: Provided are methods of forming a printed circuit board having optical functionality. The methods involve: (a) providing a first, printed circuit board substrate; (b) forming an optical waveguide structure comprising a clad and a core structure on a second substrate separate from the printed circuit board substrate, wherein the optical...

20060098929 - Planar optical waveguide: An embossed optical waveguide for light transmission and a method for creating a master and for generating the embossed optical waveguide therefrom. In accordance with an exemplary embodiment of the present invention, a layer of liquid polymer is exposed to energy curing radiation through a mask consisting of clear and...

20060098930 - Support fixture and method for supporting subscriber specific fiber optic drop wire: Fiber optic drop wires extending from a cable closure supported along a fiber optic cable are supported by small horseshoe-shaped bend radius protectors which not only prevent overbending of the drop wires, but also enable one to store excess drop wire length on the bend radius protectors. The free end...

20060098931 - Fiber optic cable coupling enclosure and method and use: A fiber optic cable routing apparatus includes a body having an inlet and an outlet, and a removable fiber tray configured to be housed within the body, wherein the removable fiber tray is configured to accommodate fiber optic cable....

20060098932 - Optical connection closure having at least one connector port: An optical connection closure has at least one connector port located within an external wall of the closure for receiving a connectorized optical fiber of a distribution cable on the inside of the closure and a pre-connectorized fiber optic drop cable on the outside of the closure. The closure includes...

20060098933 - Methods of forming devices having optical functionality: Provided is a method of forming a device having optical functionality. The method includes forming an optical waveguide over a substrate by providing a clad layer and a core over the substrate. The clad layer includes a polymer having units of the formula (RSiO1.5), wherein R is a substituted or...

20060098934 - Beam shaper and imaging head having beam shapers: Beam shapers, imaging heads formed using such beam shapers and methods are provided that are adapted to shape a light beam for use in imaging. In accordance with one method described herein a light beam is received and the light beam is reflectively scrambled to form generally homogenous light having...

20060093253 - Optical component having an improved transient thermal behavior and method for improving the transient thermal behavior of an optical component: An optical component comprises at least one optically effective optical element which heats up when irradiated with light, and at least one holding element for the at least one optical element for holding the at least one optical element in a carrier structure, wherein the at least one optical element...

20060093254 - Single-fiber launch/receive system for biosensing applications: An interrogation system and method are described herein which use a single-fiber launch/receive system for interrogating a biosensor (optical sensor) to detect the occurrence of a bio-chemical interaction (e.g., biological binding of ligands with analytes). In one embodiment, the single-fiber launch/receive system utilizes a multimode fiber to help interrogate the...

20060093255 - Optical filter, manufacturing method thereof, and planar lightwave circuit using the same: An optical filter includes a body of a polyhedron structure in which a recess having a predetermined depth from one side surface is exposed on a front surface and a rear surface and a multi-layer thin film which is deposited on the front surface of the body to cover an...

20060093257 - Mirror, mirror unit, and optical switch: The MEMS mirror, which has a reflective surface whose angle is variably changed, is provided with a portion whose reflectance is lowered than that of a center portion. The portion is provided in at least part of ends on a predetermined side of the MEMS mirror. As a result, a...

20060093256 - Optical switch: The optical switch includes: a spectroscopic device which separates wavelength division multiplexed (WDM) light into its component wavelengths; and a plurality of movable reflectors, arranged in a spectral direction at different intervals, for reflecting light of an individual component wavelength separated by said spectroscopic device. With this optical switch, deterioration...

20060093258 - Optical switch: The optical switch includes: an input port from which beam is input; a dispersing unit that disperses the beam input; a condensing unit that condenses the beam dispersed; a mirror that reflects the beam condensed; and a plurality of output ports from which the beam reflected is output. The mirror...

20060093259 - Electro-optical module comprising flexible connection cable and method of making the same: An electro-optical module comprising flexible connection cable and aligning capabilities is disclosed. Electro-optical devices may be soldered on a transparent substrate such as glass or a substrate comprising an optical waveguide wherein electrically conductive traces are designed, forming an electro-optical module. When such electro-optical module is inserted and aligned into...

20060093262 - Light waveguide and fluorescent sensor using the light waveguide: A light waveguide includes: a light introducing portion for introducing light coming from a light source into a waveguide main body; a light radiating surface for radiating the light introduced through the light introducing portion to the hydrogel side; a light transmitting surface which is disposed opposite to and in...

20060093260 - Method and apparatus for mitigation of modal dispersion effects in multimode fiber: A method for mitigating modal dispersion in a multimode optical fiber involves launching a diffractionless optical beam, such as a Bessel beam, into a multimode optical fiber. A fiber optical transmission system includes a multimode optical fiber transmission medium having an input end and an output end, an optical signal...

20060093261 - Method and apparatus for optically coupling an optical waveguide to an optical module: A method for optical coupling an optical waveguide to an optical unit arranged in or on an optical module, a corresponding optical module, coupling element, and a kit of coupling elements is provided. The optical module has a reference geometry which defines a first axis of symmetry. Any offset between...

20060093263 - Collimator array and method for manufacturing the same: A collimator array includes a substrate; a plurality of lenses formed on one face of the substrate; and a plurality of projecting parts, each of which is formed on a portion corresponding to the lens on the other face of the substrate, respectively and is fusion-connected to an optical fiber,...

20060093264 - Optical fiber device, optical monitor and optical switch: In order to enable coupling two multi-mode optical fibers with relatively high efficiencies while increasing the distance between lenses to be interposed as compared with the prior arts, with a device according to the present invention, a first condenser lens and a second condenser lens are arranged such that they...

20060093265 - Ultrafast laser machining system and method for forming diffractive structures in optical fibers: An ultrafast laser machining system and method to form diffractive structures in optical fibers. The fiber is mounted with its longitudinal axis perpendicular to the beam path of the laser pulses. A region of the fiber is illuminated and then imaged with two cameras. These cameras are aligned substantially orthogonally....

20060093266 - Lithium niobate optical modulator: An optical modulator comprises a Z-cut lithium niobate substrate (21) on which is formed a Mach-Zehnder interferometer having two generally parallel waveguides (23, 25) lying beneath a buffer layer of dielectric material (27). First and second ground electrodes (29, 33) and a hot electrode (31) are disposed on the buffer...

20060093267 - Optical waveguide and optical transmitting/receiving module: To provide an optical waveguide and an optical transmitting and receiving module able to perform a transmitting operation and a receiving operation simultaneously, wherein a linearly first waveguide 21 that one side is coupled to an optical fiber 3 and the other side is coupled to a light receiving element...

20060093268 - Outside plant fiber optic cable with thermal protection: A fiber optic cable assembly with an optical fiber extending through first and second overlapping cable jackets. The first cable jacket is slidably received within a longitudinal opening of the second cable jacket. A first end of the optical fiber is fixed with respect to the first cable jacket and...

20060093269 - Ultra stable optical element x,y, positioning unit for use in harsh environments: An X, Y positioning unit, mount or fixture is designed to adjust the position of an optical element mounted in the fixture so as to move it laterally and vertically with respect to the optical axis of the element, such that, once adjusted, the position is maintained through the clamping...

20060093270 - Optical connections and methods of forming optical connections: In one embodiment, a fiber assembly is provided. The fiber assembly has a first fiber having at least one core. The core has a length, a first end, and a second end, and light may be transmitted along the core. The second end has an obtusely angled end surface. The...

20060093271 - Optical connections and methods of forming optical connections: In one embodiment, method of forming fibers is provided. The method includes modifying a first exposed edge of at least one core of a first fiber. The first fiber has a first end, a second end, and a length between the first end and the second end. The second end...

20060093272 - Optical connections and methods of forming optical connections: In one embodiment, an assembly having a first board, a second board, a fiber bundle, and at least one movable stage is provided. The fiber bundle has a first end and a second end, and the first end of the fiber bundle is attached to the first board first face....

20060093273 - Optical connections and methods of forming optical connections: In one embodiment, fiber assemblies are provided. The fiber assemblies may have a first fiber and a second fiber. The first fiber may have at least one core having a length and first and second ends. The second end may have a first connector. The second fiber may have at...

20060093274 - Device for an optical fiber connection: The invention relates to a device for the coaxial connection of optical fibre cables, said device comprising a one-part coupling housing (10) provided with at least one catch recess, and a one-part sleeve receiving element (20) provided with at least one catch projection (21). Said catch recess comprises at least...

20060093275 - Optical connector assembly: Optical connector assemblies suitable for use in harsh environments such as down hole oil and gas well applications and methods for fabricating the same are provided. In one embodiment, an optical connector assembly suitable for down hole oil field applications comprises a first and second optical waveguide urged by a...

20060093276 - Fiber-optic rotational device, optical system and method for imaging a sample: A device, system and method for transmitting electro-magnetic radiation between at least two separate fibers (as well as for imaging a sample) are provided. For example, a first optical fiber and a second optical fiber may be provided, such that the first and/or second fibers is/are rotatable. At least one...

20060093277 - Combination optical fiber and electrical connecter: A combination optical fiber and electrical connector wherein electricity is passed from an electrical wire, through a ferrule of the optical fiber element. The ferrule is a single element of tubular construction open at opposed ends. The terminal end of the ferrule comprises the male plug of the connector. By...

20060093278 - Pre-connectorized fiber optic distribution cable having overmolded access location: A pre-connectorized fiber optic distribution cable assembly includes a plurality of optical fibers and at least one mid-span access location along the length of the distribution cable. At least one of the optical fibers is accessed, terminated and then connectorized at the mid-span access location to an optical connector disposed...

20060093279 - Ferrule with weep holes: A method of preparing a ferrule assembly comprising the steps of: (a) providing a ferrule having a front face, and top and bottom surfaces, and defining a cavity, and the top surface having an access hole to the cavity, the bottom surface defining one or more weep holes in fluid...

20060093280 - Optical cable with integrated electrical connector: A connection cable includes an optical cable and an integrated electrical connector. The integrated electrical connector is permanently fixed to the optical cable. The integrated electrical connector is for plug-in connection to a matching electrical connector on a target device....

20060093281 - Fiber optic connector: Disclosed is a fiber optic connector that includes a rigid housing having a first cavity configured to receive a first optical fiber network element, such as a transmitting or receiving optical unit or subassembly, and a second cavity configured to receive a second optical fiber network element, such as an...

20060093282 - Method and apparatus for providing connector keying and identification for unidirectional fiber cables: A method and apparatus for providing connector keying and identification for unidirectional fiber cables are disclosed. Three connector subassemblies are provided, wherein first and second subassemblies are both oriented in alignment to prevent a cable for coupling to receive connections from being plugged into transmit connections and vice versa. A...

20060093286 - Early self-validation of persistent memory during boot in an optical transceiver: An operational optical transceiver configured to self-validate a boot image loaded from the persistent memory early in the boot process. The optical transceiver includes a persistent memory, a controller, and a system memory. The controller initializes the boot process and begins to load information from the persistent memory to the...

20060093283 - Electro-optical subassembly: An electro-optical subassembly formed using an optical unit and a base. The optical unit has a lens and a cavity in communication with the lens, the cavity having surfaces aligned with the lens. The base includes a body, shaped to fit within the cavity so as to have a predetermined...

20060093287 - Heat dissipating mechanism of a pluggable optical transceiver: The optical transceiver of the present invention is one type of the pluggable transceiver that is inserted into/extracted from the cage in the host system. The transceiver includes the OSA (Optical Sub-Assembly) unit, which shows the optical function, and the body unit installing the electronic circuit. The OSA unit includes...

20060093285 - Latching apparatus for pluggable optical transceiver module: Disclosed is a latching apparatus for a pluggable optical transceiver module, which is configured to enable the pluggable optical transceiver module to be plugged or unplugged by pulling the pluggable optical transceiver module. The latching apparatus of the pluggable optical transceiver module connected to an optical connector and electrically connected...

20060093288 - Optical coupling component for use in an optical communication connector and an optical connector using such optical coupling component: An optical coupling component for use in an optical communication connector is provided which comprises a pair of columnar sending side and receiving side optical functional sections and a joint section integrally molded with the optical functional sections and made from the same material as the material of the optically...

20060093284 - Semiconductor laser diode: Disclosed herein is a semiconductor laser diode to be assembled with a holder centrally perforated with an insertion cavity. The laser diode comprises a laser device, a frame unit, a resin unit, and at least one air passage. The resin unit includes a resin frame formed on the frame unit...

20060093289 - Electro-optical subassembly: An electro-optical subassembly formed using an optical unit and a base. The optical unit has a lens and a cavity in communication with the lens, the cavity having surfaces aligned with the lens. The base includes a body, shaped to fit within the cavity so as to have a predetermined...

20060093290 - Etched tapered fiber bundle and method of making the same: A tapered fiber bundle is formed by first etching the end portions of each fiber within the group so as to remove a selected amount of outer cladding material from each fiber. The assembled, etched fibers are then fused together in conventional fashion to form a fiber bundle. By first...

20060093291 - Optical fiber pump multiplexer: One or more single mode few-moded or multimode fibers are incorporated into a bundle to carry input to a fiber amplifier or output from a fiber amplifier or a fiber laser. The input is at the signal wavelength, which is the wavelength where amplification or lasing occurs. Each of the...

20060093292 - Elastic microchannel collimating arrays and method of fabrication: A microchannel collimating array may be fabricated by casting an elastic sheet onto a substrate containing a plurality of pedestals. The elastic sheet may be cured, and then pulled away from the substrate, leaving the elastic sheet with a plurality of tubes at the locations of the pedestals. The plurality...

20060093295 - Multimode fiber transmission system: An optical signal propagating through a transmission line of a multimode fiber is branched by an MMF coupler of a reception device, and the intensity of the signal is detected by a MMF monitor PD. After connecting from the multimode fiber to a single-mode fiber, the optical signal is branched...

20060093294 - Optical fiber with suppressed stimulated brillouin scattering and method for making such a fiber: An optical fiber for the transmission of electromagnetic energy, where the fiber can have increased input power threshold for the onset of Stimulated Brillouin Scattering (SBS). The fiber can comprise a core and a cladding disposed about the core. The core can have a distribution of velocities for an acoustic...

20060093293 - Optical fibers: The present invention provides an optical fiber enabling signal transmission in a wider band, which is applicable to optical transmission not only in the 1.3 μm wavelength band but also in the 1.55 μm wavelength band, as a transmission medium of a WDM optical communication system capable of transmitting signal...

20060093296 - Two-mode photonic crystal fibre and applications thereof: A two-mode photonic crystal fiber includes a core of a substantially transparent core material. The core material has a core refractive index and a length, and has a core diameter. The fiber also includes a cladding region surrounding the length of core material. The cladding region has a first substantially...

20060093297 - Single-mode optical fiber: Provided is a single-mode optical fiber that propagates an optical signal at a wavelength of 1310 nm, in single-mode operation; has a mode field diameter of 6.6 μm or more at the wavelength of 1310 nm; and a macro bending loss of at most 0.1 dB/10 turns with a bending...

20060093299 - Dispersion compensation device: A dispersion compensation device for compensating chromatic dispersion of optical pulses launched from the exterior is disclosed. The device comprises a waveguide and a photonic crystal part, the waveguide comprising a core part for guiding the optical pulse from an input end to an output end and a clad part...

20060093298 - Integrated optical waveguide and process for fabrication: A waveguide core having a high coupling efficiency is disclosed. A method of manufacturing such a waveguide includes successive deposition of multiple layers of silicon dioxide. Deposition of each layer is followed by implantation of dopant impurities in a pre-established area of the layer. After deposition and implantation, high-temperature treatment...

20060093300 - Re-terminable lc connector assembly and cam termination tool: An improved, reversibly terminable fiber stub connector assembly is provided that can be readily and positively terminated in the field using simple termination tools. This allows repositioning or replacement of fiber optic cable field fibers if termination is not acceptable in performance. The tool may be a hand-held tool, or...

20060093303 - Fiber drop terminal: A fiber drop terminal may include a housing having an outer surface containing a plurality of receptacles. The housing may include a lower surface and an inner cavity. The fiber drop terminal may include a fiber storage cavity occupying a portion of the inner cavity. The storage cavity may store...

20060093301 - Fiber optic module and system including rear connectors: A telecommunications assembly including a housing and a plurality of modules mounted within the housing. The modules includes a rear face in which is mounted at least one fiber optic connector. Within an interior of the housing are positioned at least one fiber optic adapters. Inserting the module through a...

20060093304 - Optical connection closure having at least one connector port: An optical connection closure has at least one connector port located within an external wall of the closure for receiving a connectorized optical fiber of a distribution cable on the inside of the closure and a pre-connectorized fiber optic drop cable on the outside of the closure. The closure includes...

20060093302 - Optical fiber slack storage tray for distribution cabinet: The present invention relates to a slack storage tray for managing slack associated with fiber terminations in a distribution cabinet. The storage tray includes a base defining a cable pathway for storing multiple loops of a cable. A hinged cover further defines a cable pathway for managing the cable....

20060093305 - Electro-optical subassemblies and method for assembly thereof: An electro-optical subassembly generally includes a base supporting at least one lead and a lens unit having a lens. The lead supports an electro-optical component. The lens unit is through transmission laser welded to the base such that the lens is aligned with the electro-optical component....

20060093308 - Light emitting module: A light-emitting module structurally suspended between a pair of spaced apart electrical conducting wires wherein each of the wires has selected portions that are electrically insulated from the module. The light emitting module, in concert with the electrical conducting wires, provides structural support for the light emitter portion of the...

20060093306 - Photonic crystal and manufacturing method thereof: A three-dimensional photonic crystal having a wide and sharp bandgap, a manufacturing method thereof, a structural body for manufacturing this photonic crystal, and a manufacturing method thereof are provided. The structural body is formed by placing monodisperse particles in a recess having a regular quadrangular pyramid shape formed in a...

20060093307 - Unit for synchronous extension and retraction of two wire segments, and a motor vehicle having such a unit: The invention relates to a unit for synchronous extension and retraction of two wire segments that are wound onto a storage spool in such a way that upon a rotary motion of the storage spool in one rotation direction, both wire segments are synchronously unwound, and upon a rotary motion...