Optical waveguides inventions 10/06

20060239602 - Polarization recovery system for protection display: A waveguide polarization recovery system both polarizes the input light energy for use with an LCD imager and converts the polarity of unusable light energy to add to the illumination of the LCD imager. The compact polarization recovery waveguide system generally includes: (1) an input waveguide that provides non-polarized light...

20060239603 - Distributed sensor system coupled with a plurality of secondary sensors: An intrusion detection system with a distributed sensor system coupled with a plurality of secondary sensors is disclosed. The distributed sensor is deployed over a protected zone, and detects physical disturbances caused by intrusion into the zone. A plurality of physical disturbing devices is coupled to the distributed sensor to...

20060239604 - High average power high efficiency broadband all-optical fiber wavelength converter: We introduce a novel high average power (>100 mW) fiber optic source, using a wavelength converter based on optical parametric amplification in a nonlinear fiber. In the most fundamental embodiment, light at two different wavelengths is used to generate light at a third wavelength through optical parametric amplification in a...

20060239605 - Optical coupling to ic chip: An optoelectronic circuit including: an IC chip made up of a substrate in which an optical waveguide and a mirror have been fabricated, the substrate having a first lens formed thereon, wherein the mirror is aligned with the optical waveguide and the first lens is aligned with the mirror to...

20060239606 - System, probe and methods for colorimetric testing: A method for measuring the optical absorbance of a sample medium with a microfluidic chip that includes a substrate defining a microfluidic channel, a microresonator positioned within the microfluidic channel, and at least one waveguide or coupling surface evanescently coupled to the microresonator such that only supported Whispering Gallery Mode...

20060239607 - Wavelength selector switch: A wavelength selector switch includes first and second refracting plates, an optical splitter, first and second optical systems, an optical coupler polarization controller, and second refracting plate. The first refracting plate refracts the second wavelength-multiplexed light beam. The optical splitter spatially splits into a plurality of wavelength components light beams....

20060239608 - Optical switch: There is provided an optical switch for reducing an apparatus size without making a structure for switching an output path complicated, wherein the first reflecting member and the micromirror array, which are optically coupled with the diffraction grating via the second reflecting member, are arranged at the same side relative...

20060239609 - Methods and apparatuses to increase wavelength channels in a wavelength-division-multiplexing passive-optical-network: Various methods and apparatuses are described in which data transmission in two or more discrete wavelength bands are routed in the same transmission direction between a central office and a remote node in a wavelength-division-multiplexed passive-optical-network (WDM PON). The two or more discrete wavelength bands are separated by at least...

20060239610 - Apparatus for propagating optical radiation: An apparatus for propagating optical radiation in a first optical mode having a first spatial mode shape, and a second optical mode having a second spatial mode shape. The first spatial mode shape is different from the second spatial mode shape. The apparatus includes an optical path and a mode...

20060239611 - Optical collimator: An optical collimator comprises a sleeve, a partially spherical lens and a capillary tube holding an optical fiber. The sleeve has an inner hole aligned concentrically with an outer surface of the sleeve. The partially spherical lens has a columnar portion fixed into the inner hole of the sleeve and...

20060239612 - Flip-chip devices formed on photonic integrated circuit chips: Various embodiments include optically aligning and connecting optical devices to optical grating couplers using a variety of bonding techniques, as a means of transferring optical signals to and from optoelectronic integrated circuits....

20060239614 - Coupled waveguide optical microresonator: A coupled waveguide optical microresonator is formed from a plurality of microcylinders coupled together. Each microcylinder includes a resonant waveguide. At least one of the microcylinders is adapted to be positioned adjacent an optical source waveguide for optically coupling light from an optical source waveguide onto the resonant waveguide on...

20060239613 - Optical microresonator with resonant waveguide imparting polarization: An optical microresonator is formed as a microcylinder and a resonant waveguide on the microcylinder and having a plurality of spaced resonant elements such as circumferential ridges for optically coupling light from an optical source waveguide onto the microcylinder. The resonant elements have a spacing, height and angle to impart...

20060239615 - Spiral waveguide slow wave resonator structure: An optical microresonator includes microcylinder and spiral resonant waveguide formed on the microcylinder that optically couples light from an optical source waveguide to the microcylinder and slows light propagating along the microcylinder. A coupling element, for example, a diffraction grating can be operative with the resonant waveguide structure and configured...

20060239618 - Broadband optical via: A broadband optical via provides a low loss interconnection between waveguides in two vertically adjacent planar waveguiding layers. Two waveguides, one in each planar layer, evanescently interact over an interaction length, and substantially all of the power on one waveguide is transferred to the second waveguide. The relative detuning between...

20060239616 - Optical microresonator with coupling elements for changing light direction: An optical microresonator includes a microcylinder and resonant waveguide formed on the microcylinder as a plurality of spaced resonant elements, for example, spaced ridges, and coupling elements operative with the resonant elements for optically coupling light from an optical source waveguide onto the microcylinder and changing light direction on the...

20060239617 - Optical microresonator with microcylinder and circumferential coating forming resonant waveguides: An optical microresonator and method of forming same includes a microcylinder and a circumferential coating formed on the microcylinder. This coating has a higher index of refraction than the microcylinder and is of such thickness relative to the diameter of the microcylinder that a resonant waveguide is formed such that...

20060239619 - Fiber optic connector for applying axial biasing force to multifiber ferrule: A fiber optic connector includes a multifiber ferrule and at least one force centering element for applying a biasing force to the ferrule in the longitudinal direction without introducing a moment about a lateral axis. The connector further includes a coil spring for exerting the biasing force and a spring...

20060239620 - Fibre optic connector: A fibre optic connector assembly includes first and second parts (1, 2) that can be physically connected together and separated from one another. Each connector part (1, 2) including a plurality of fibres (3, 4), each for optical connection to a respective fibre of the other part. A housing (8)...

20060239621 - Optical module and method for manufacturing same: The present invention relates to an optical module which can be produced by an easy process and at low cost and a method for fabricating the optical module. An optical module 100 includes a die pad 101, a plurality of leads 102, and a first platform 110 and a second...

20060239622 - Fibre optic transceiver: A transceiver for use in a fibre optic transmission system is described, which transceiver (1) is adapted for insertion into an opening in a holder (6) along a direction of insertion. The transceiver comprises blocking means (2) which may be moved between a blocking position in which the transceiver (1)...

20060239623 - Bi-directional optical modules package: Provided is a bi-directional optical module package having an optical module unit comprising a substrate member, an optical filter installed on the substrate member to be inclined with respect to an optical fiber, a first holder supported by the substrate member on one side of the optical filter and having...

20060239624 - Anti-twisting optical fiber cable as protected by left-turn and right-turn spring coils: An optical fiber cable includes: an optical fiber core wire, a reinforcing member selected from aromatic polyamide fiber (such as Kevlar) coaxially covering the optical fiber core wire, a left-turn spring coil leftward helically wound and continuously coaxially wound around the reinforcing member, a right-turn spring coil rightward helically wound...

20060239625 - Optical fiber bundle and method for manufacturing thereof: An optical fiber bundle that has better ultraviolet resistance characteristics at a wavelength range of 150 to 250 nm and that can be readily and cheaply manufactured with no risk of, for example, explosion during manufacturing and its manufacturing method are provided. In the optical fiber bundle, optical fibers including...

20060239626 - Lossy clad light guide screen: Provided is a lossy clad light guide screen. A plurality of aligned light guides are provided. Each light guide has an input end, a midsection, an output end, a core and a circumferential lossy clad. The plurality of input ends are aligned and provide an input face. The plurality of...

20060239627 - Microstructured optical fibre: A microstructured optical fibre has a core region with a material having a refractive index nco and a microstructured region surrounding the core region with a background material having a refractive index nm which is lower than the refractive index nco. The microstructured region has a plurality of microstructures having...

20060239628 - Apparatuses having spool assembly for absorbing jumper slack: A spool assembly includes a spool supported on a mount. The mount has an adhesive covered by a cover capable of being peeled off from the adhesive. The adhesive is attached to a structure such as a trough or a panel in order to attach the spool to the structure...

20060239629 - Elliptical diffusers used in displays: A backlit light display comprises a light guide panel, a prismatic film, an asymmetric top diffuser and an LCD. A linear light source is disposed along a side face of the light guide panel. Light from the linear light source is transmitted though the light guide panel where it is...

20060239633 - Apparatus and method for forming an optical microresonator: An apparatus and method forms an optical microresonator and includes spaced high precision ferrules through which an optical fiber passes. A ferrule can be rotatable and movable longitudinally in an axial direction. A clamp engages a ferrule and is operable to secure the optical fiber within a fiber guide of...

20060239630 - Optical fiber radio transmission system, transmission device, and reception device: An optical fiber radio transmission system is provided which is capable of considerably improving the received dynamic range of radio signals and, in addition, is capable of optically transmitting radio signals while preventing the deterioration of transmission performance and the loss of linearity of an input signal more easily. A...

20060239634 - Optical microresonator coupling system and associated method: An optical microresonator coupling system includes an optical source waveguide through which light travels. A microcylinder is positioned adjacent the optical source guide and has a resonant waveguide formed as spaced resonant elements, such as circumferential ridges and a diffractive coating thereon that optically couples light from the optical source...

20060239631 - Optical module and optical system: An optical module has a lens holder with a lens assembly of, for example, three lenses and a diaphragm. The lenses and the optional diaphragm are unequivocally oriented by the geometrical form thereof such that no other optical adjustment is required. The optical module has a specially embodied circuit carrier...

20060239632 - Optical module and optical system: An optical module has a circuit carrier, a housed semiconductor element disposed on the circuit carrier, and a lens unit for projecting electromagnetic radiation onto the semiconductor element. The lens unit preferably includes a lens assembly with, say, three lenses and a diaphragm. The lenses, optionally together with the diaphragm,...

20060239635 - Shell type actuator: A micromechanical resonator is formed on a substrate. The resonator has a partial spherical shell clamped on an outside portion of the shell to the substrate. In other embodiments, a flat disc or other shape may be used. Movement is induced in a selected portion of the disc, inducing easily...

20060233480 - Variable lightwave functional circuit and variable lightwave functional apparatus: The system of a variable lightwave functional apparatus comprising: an optical amplifier for outputting wavelength multiplexed light containing a plurality of pulses having a first wavelength interval; a polarization branching/coupling device having a first port to a third port, for branching output from said optical amplifier, which is entered from...

20060233484 - Adhesive-assembled fiber-optic interferometer: A method to assemble optical fiber devices and a fiber optic sensor is provided. It features a small adhesive joint between the fiber and a capillary tube by means of a small recess carved on the side of the fiber. This recess acts as a reservoir for the adhesive during...

20060233482 - Compaction monitoring system: Methods for determining a preferred application of a plurality of transducers or sensors to a structure are disclosed for monitoring and imaging deformation of the structure as it is subjected to various forces....

20060233483 - Molecular detection using an optical waveguide fixed to a cantilever: The invention relates to devices and methods for detecting a ligand in a liquid, based on deflection of one or more microscopic cantilevers. Each cantilever has an optical waveguide fixed thereto or integral therewith. Deflection of the cantilever is detected by assessing coupling of light between the optical waveguide on...

20060233481 - Photonic crystal device for fluid sensing: An apparatus for sensing at least one property of a fluid is described. A first photonic crystal structure and a second photonic crystal structure are defined in a dielectric slab. The first and second photonic crystal structures comprise differently patterned arrays of channels extending through the dielectric slab. The apparatus...

20060233485 - Underwater structure monitoring systems and methods: A system for remotely detecting properties of an underwater structure in a body of water comprising a sensor connectable to the structure; a first receiver which can be positioned at or near a top surface of the body of water in the proximity of the structure; a first transmitter for...

20060233486 - Integrated optical add/drop device having switching function: An integrated optical add/drop device having switching function for use in wavelength division multiplexing optical communication systems, has first and second optical couplers between which first and second interferometric arms of an interferometer are extended. The integrated optical add/drop device has an optical filter having first and second input ports...

20060233487 - Micro movable element and optical switching device: A micro movable element includes a micro movable substrate, a package base and an electroconductive connector. The micro movable substrate is provided with a micro movable unit that includes a frame, a pivotally movable portion, a torsion connector connecting the frame and the movable portion, and an actuator to generate...

20060233488 - Variable lightwave functional circuit and variable lightwave functional apparatus: The system of a variable lightwave functional apparatus comprising: an acousto-optical modulator for outputting wavelength multiplexed light containing a plurality of pulses having a first wavelength interval; a coupler arranged at an output of said acousto-optical modulator; a polarization branching/coupling device having a first port to a third port, for...

20060233489 - Light guide plate, surface light source having same, and related display device: A light guide plate (100) includes a light incident surface (110), two opposite light emitting surfaces (120) each adjoining to the light incident surface, a plurality of first tapered structures (132), and a plurality of second tapered structure (134). The first and second tapered structures are provided on the light...

20060233490 - Optical print head, method for enhancing light quantity thereof and optical printer: An optical print head and a method for enhancing light quantity thereof and optical printer are provided. A convergent micro-lens set is disposed between the LED lighting plate and the self-focusing micro-lens array, and is used to converge the emitting light generated by the LED lighting plate into the self-focusing...

20060233491 - Array waveguide lattic type optical multilexer/demultiplexer circuit: An arrayed waveguide grating type optical multiplexer/demultiplexer circuit in which wavelength dispersion is reduced. An input wave guide (1), a first slab waveguide (2), an arrayed waveguide (3), a second slab waveguide (4) and an output waveguide (5) are connected sequentially. Furthermore, a parabola waveguide (6)is provided between the input...

20060233493 - Holographic spectral filter: Method and apparatus are contemplated for receiving from an input, an optical signal in a volume hologram comprising a transfer function that may comprise temporal or spectral information, and spatial transformation information; diffracting the optical signal; and transmitting the diffracted optical signal to an output. A plurality of inputs and...

20060233492 - Optical beam combiner/concentrator: A non-imaging optical collecting and concentrating apparatus for use in i.e., optical communications, passive lighting, and solar power applications that is relatively immune from optical incidence angle(s) and therefore does not need to track the movement of the sun to efficiently collect and concentrate optical energy. The apparatus includes a...

20060233494 - Electro-optic waveguide device capable of suppressing bias point dc drift and thermal bias point shift: The present invention discloses an electro-optic waveguide device such as a modulator. The device has an electro-optic substrate having optical waveguides within the substrate at or near an upper surface. A buffer layer is formed on the top surface of the electro-optic substrate. A novel block layer is formed on...

20060233495 - Optical device: A light controlling means includes a shutter member and an actuator. The shutter member is disposed in a slit and has a function to shut off signal light propagated in the light path of an optical fiber array. The actuator is constructed to drive and move the shutter member in...

20060233496 - Hybrid fiber/copper connector system and method: A junction box and hybrid fiber optic cable connector which permit repair of damaged fibers or copper conductors carried by a hybrid fiber/copper cable without requiring replacement of the entire cable assembly or retermination of the cable. A hybrid fiber/copper connector including cable management within the connector housing. A method...

20060233498 - High dynamic range integrated receiver: A high dynamic range integrated (HDRI) receiver includes a variable optical attenuator (VOA) for attenuating an incoming optical signal before the optical signal is directed to a photo-detector for conversion into an electrical signal. An optical block receives the optical signal from an optical fiber and includes optics for directing...

20060233497 - Optical module: An optical module comprises: a sub-mount 1, having four photodiodes 12 and two guide grooves 10 disposed on an optical element mounting surface 16; a fiber fixing member 2, having four V-grooves 21, four concave mirrors 22, and two guide rails 20 disposed on an optical fiber fixing surface 26;...

20060233499 - Laser module for circular saw: A laser module used in a circular saw to guide cutting of the saw blade of the circular saw is constructed to have a hollow housing, a focal lens mounted in the housing, a laser diode mounted in the housing behind the focal lens and beyond the focus of the...

20060233500 - Optical fiber connecting device: An optical fiber connecting device has a pair of holding elements which are formed on an actuating member and are capable of undergoing elastic deformation as a sheath holding mechanism for securing, to a body, the sheath portions S of the optical fibers F having uncoated fiber elements C to...

20060233501 - Ultraviolet curing: A curing apparatus comprises a plurality of light emitting areas each being operable to emit ultraviolet radiation. In one embodiment, each area is made up of one or more ultraviolet light emitting diodes....

20060233502 - Method for treating optical fiber and apparatus for treating optical fiber: A method of treating optical fiber includes at least a first step of creating a reduced-pressure atmosphere in a space which holds the optical fiber, and a second step of introducing to the space a deuterium-containing gas so as to expose the optical fiber to the gas....

20060233503 - Optical fiber and optical communication system employing the optical fiber: An optical fiber includes a core and a cladding surrounding the core. An absolute value of dispersion at a wavelength of 1550 nanometers is equal to or more than 4 ps/nm/km and equal to or less than 10 ps/nm/km. An absolute value of dispersion slope at the wavelength of 1550...

20060233505 - Optical grating coupler: An optical grating is disposed on a waveguide to redirect light from the interior of the waveguide through the opposite side of the waveguide from the grating. In one embodiment the waveguide, the grating, and an optical sensor are combined in a single monolithic structure. In another embodiment, an absorbing...

20060233504 - Segmented waveguide structures: Various embodiment comprise silicon-on-insulator waveguide designs that simultaneously achieve both high optical confinement, low-loss, and provide for electrical connections. In certain embodiments, high index contrast waveguides comprise a central elongate waveguide portion and a segmented portion comprising a single thin layer of Silicon-On-Insulator that achieves both high optical confinement and...

20060233506 - Fiber breakout with integral connector: A fiber breakout for connecting a branch cable to a fiber optic distribution cable is disclosed. The fiber breakout can include an optical ribbon separated from the distribution cable at a breakout location. An overmold is formed over the optical ribbon and a portion of the distribution cable at the...

20060233508 - Fiber optic drop wire splice kit: The present invention features a system and method for securely holding a fiber optic drop cable splice in place and for creating a watertight splice by encapsulating two or more fiber optic cables having one or more spliced fiber optic strands in an enclosure with an encapsulant to create a...

20060233507 - Methods and apparatus for splitter modules and splitter module housings: An optical splitter module includes a housing wherein an input optical fiber and an output optical fiber pass through a single opening in the housing....

20060233509 - Optical fiber repair apparatus with adjustable guide member and methods for using the same: Optical fiber repair apparatus include a longitudinally extending closure frame having a longitudinally extending optical fiber receiving groove in a face thereof. An adjustable guide member on the closure frame is longitudinally movable thereon to adjust a position of an optical fiber of a first optical fiber cable in the...

20060233510 - Optical fiber array: In an optical fiber array (1) which has a V-groove substrate (2) formed in its surface (2a) with V-grooves (3) for arranging optical fibers, a plurality of optical fiber cores (61) fixedly bonded in each individual V-groove (3) of the V-groove substrate (2), and a pressure plate (4) fixedly bonded...

20060233511 - Laser-active optical fiber for a fiber laser or an optical fiber amplifier: A laser-active optical fiber for a fiber laser or an optical fiber amplifier contains a laser-active fiber core (2) comprising an undoped inner region (22) which is surrounded by an outer region (24) that is doped with a laser-active material. In this manner a high-power laser beam may be generated...

20060233512 - Chalcogenide glass for low viscosity extrusion and injection molding: The invention is directed to chalcogenide glasses suitable for use in plastics forming processes. The glasses have the general formula YZ, where Y is Ge, As, Sb or a mixture of two or more of the same; Z is S, Se, Te, or a mixture of two or more of...

20060233513 - Line combination: A line combination includes at least two parallel flexible lines, which connect a connector fixed in place locally or on a machine with a moveable machine part, and can be displaced axially relative to one another in the combination. The term “lines” covers cables and hoses of all types. Connecting...

20060228064 - Electronic and optical devices and methods of forming these devices: Electronic and optical (or photonic) devices with variable or switchable properties and methods used to form these devices, are disclosed. More specifically, the present invention involves forming layers of conductive material and dielectric material or materials with varying conductivity and indexes of refraction to form various electronic and optical devices....

20060228065 - Optical modulator with coupled coplanar strip electrode and domain inversion: A modulator includes an interferometer waveguide structure formed on an electro-optical substrate, preferably a Z-cut lithium niobate or a Z-cut lithium tantalate. The substrate includes a domain inversion between a region near the first arm and a region near the second arm of the interferometer waveguide structure. In one example,...

20060228067 - Method of manufacturing and apparatus for a transmitter photonic integrated circuit (txpic) chip: A monolithic photonic integrated circuit (PIC) chip where the active waveguide cores of the modulated sources of the PIC are multiple quantum wells (MQWs) and the passive waveguide cores of an optical combiner are a bulk layer or material. The cores of the waveguide cores may be a quaternary such...

20060228068 - Optical interconnection device, photoelectric mixedly mounted device and electronic equipment using same: An optical interconnection device is provided which comprises an optical waveguide layer, wherein the waveguide layer is equipped with a plurality of electrodes which are independently drive-controllable such that a refractive index distribution is generated in the waveguide layer by drive control of the electrodes to control a propagation state...

20060228066 - Optical microelectromechantical structure: The invention relates to an optical microelectromechanical structure (MEMS) comprising—an (at least one) optically transmissive layer (UTL)—an (at least one) intermediate layer structure (IL)—a (at least one) device layer (DL) said intermediate layer structure (IL) defining one or more optical paths (OP) between said substantially optically transmissive layer (UTL) and...

20060228069 - Actuator and systems and methods: An actuator system that includes two beams that are formed into a diamond pattern. A crossbar is positioned at a midsection to connect the two beams. When power is applied to the two beams, the diamond pattern is driven vertically. An actuator system may also include a substrate and a...

20060228070 - Optical add-drop multiplexer architecture with reduced effect of mirror edge diffraction: Effects of diffraction of a spectral beam from an edge of the micromirrors are reduced in order to optimize the passband in a wavelength selective switch. The effects of diffraction on the pass band may be reduced by appropriate modification of the edges of the micromirrors, by modification of the...

20060228071 - Reduction of mems mirror edge diffraction in a wavelength selective switch using servo-based multi-axes rotation: Effects of diffraction of a spectral beam from an edge of the micromirrors are reduced in order to optimize the passband in a wavelength selective switch. The effects of diffraction on the pass band may be reduced by appropriate modification of the edges of the micromirrors, by modification of the...

20060228072 - Optimized reconfigurable optical add-drop multiplexer architecture with mems-based attenuation or power management: A wavelength selective switch architecture for ROADMs for switching the spectral channels of a multi-channel, multi-wavelength optical signal between input and output ports employs a biaxial MEMS port mirror array for optimal coupling efficiency and ITU grid alignment, an anamorphic beam expander for expanding input optical signals to create an...

20060228073 - Optical device and virtual image display device: A virtual image display device is provided which displays a two-dimensional image for viewing a virtual image in a magnified form by a virtual optical system. The virtual image display device includes an optical waveguide (13) to guide, by internal total reflection, parallel pencil groups meeting a condition of internal...

20060228074 - Waveguide structure for guiding light in low-index material: A high-index-contrast waveguide structure material used to guide light through a low-refractive-index material. In one embodiment, the waveguide structures are capable of guiding and confining light in such a way that very high optical intensity is obtained in a small cross-sectional area or gap filled with any material with sufficiently...

20060228075 - Fiber optic pigtail design for reducing insertion loss and insertion loss ripple: One embodiment of an optical fiber for reducing insertion loss and insertion loss ripple includes a tapered region where the optical fiber has a diameter of approximately 125 microns at a first end and a diameter of approximately 50 microns at a second end. The cladding layer of the tapered...

20060228076 - Parallel optical interface: A communication coupling technique is disclosed that uses optical signals separators that may be formed using optical wave guides, hollow tubes, or any material that separates signals emitted from one source from signals emitted from other sources....

20060228077 - Rosa alignment using dc or low frequency optical source: Methods and apparatus for alignment of TO cans with photodiodes on fiber-optic receptacles. The methods and apparatus make use of direct connections to photodiodes or connections to Received Signal Strength Indicator (RSSI) outputs to align TO cans in fiber-optic receptacles. An optical source, such as a laser diode, can be...

20060228079 - Electrical connector for a multi form-factor pluggable transceiver, and data communication system including the electrical connector: An electrical connector includes an entry slot, first and second transmitter electrical pins, and first and second receiver electrical pins. The first and second transmitter electrical pins and the first and second receiver electrical pins are provided on the entry slot. The entry slot accepts a multi form-factor pluggable transceiver...

20060228078 - Fiber optic transceiver module having built-in test capability and associated method: A fiber optic transceiver module, having built-in test capability and a low physical profile that meets mil spec requirements, comprises a housing. The housing comprises an optical fiber having an angled end that defines an acute angle relative to the longitudinal axis of the optical fiber, an optical source for...

20060228080 - Limited combustible optical fiber: A limited combustible optical fiber includes a plurality of optical fibers in a loose tube or tight buffer arrangement. For example, a buffer tube jacket is made of a flame retardant material. A strengthening member made of aromatic polyamide fiber surrounds the buffer tube jacket. An outer layer jacket surrounds...

20060228081 - Device for optically regenerating pulses, an installation including such a device, and the use of the device: The invention relates to in particular to a device for optically regenerating pulses, the device comprising an optical bandpass filter adapted for providing time synchronization and intensity stabilization of dispersion-managed soliton pulses. The device further comprises noise suppression means distinct from the bandpass filter....

20060228082 - Plastic optical fibers and processes for producing them: A novel optical plastic fiber comprising a core region and having a center line along a longitudinal axis of the fiber is disclosed. The refractive index of the core region increases along a direction going from a periphery portion to the center line in any plane perpendicular to the center...

20060228083 - Optical fiber: Optical fiber capable of controlling attenuation losses caused by microbending on the signal transmitted thereby. The optical fiber comprises: a) an internal glass portion; b) a first coating layer of a first polymeric material surrounding said glass portion; and c) a second coating layer of a second polymeric material surrounding...

20060228084 - 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...

20060228085 - High frequency test fixture: An apparatus for testing optical components. The apparatus includes a component cavity. The component cavity includes a package portion generally including fit tolerances but otherwise including a similar size and shape of an optical component to be tested. The component cavity further includes an electrical interface portion that can hold...

20060228086 - Adapter block including connector storage: A fixture includes an adapter array with movable adapter modules and a storage panel. A housing of a connector holder includes a plurality of openings for receiving fiber optic connectors and protecting the polished end face of the connectors from damage while the connectors are stored within the storage panel....

20060228087 - Cable management assembly, system and method: A cable management assembly, and method related thereto, including a panel having an interface portion. The interface portion having a plurality of discrete openings, including first and second shaped apertures. The assembly further including cable management devices having securing structure including a flexible tab and a locating element. The securing...

20060228088 - Chemical synthesis comprising heat treatment by intrmittent dielectric heating combined with a recycling system: This invention relates to the design of a process by intermittent dielectric heating combined with a recycling system. This process consists in subjecting reagents to electromagnetic waves selected in the frequencies ranging between 300 GHz and 3 MHz intermittently using a recycling system. This process enables the treatment of oils...

20060228093 - Heat radiating quartz plate, polarizing plate, and optical apparatus: A heat radiating quartz plate is disposed on the surface of a polarizing plate. In the heat radiating quartz plate, a metal film is disposed along an outer periphery of a quartz plate which corresponds to the outside of an effective optical range of the polarizing plate....

20060228095 - Laser processing device: A laser condensing optical system of the present invention includes a laser beam source which emits a laser beam, a condensing optical system which is arranged between the laser beam source and a medium and condenses the laser beam in the medium, and a laser divergence point moving unit which...

20060228094 - Method for manufacturing beam-shaping components: A method for manufacturing an optical component includes mounting each of a series of replicating inserts to a movable support such as a mold slide. Each of the replicating inserts defines a replicating surface that bears micro-optical structures. Each of the supports is moved relative to one another so that...

20060228091 - Method of displaying, selecting and magnifying multiple micro-images, and display device and portable terminal using the same: A method of displaying, selecting and magnifying multiple micro-images, and a display device and portable terminal using the method. A display device for displaying, selecting and magnifying multiple micro-images, includes: a concave reflector having a radius of curvature and a focal distance; multiple display panels, arranged within the focal distance,...

20060228092 - Optical bodies including rough strippable boundary layers and asymmetric surface structures: Optical bodies are disclosed that include an optical film and at least one rough strippable skin layer. The at least one rough strippable skin layer can include a continuous phase and a disperse phase. In some embodiments, the at least one rough strippable skin layer can include a first polymer,...

20060228090 - System and method for managing a cable in a sever system: A system and method for managing a cable in a server system. The system includes a first paddle card coupled to a first end of the cable and a first light emitting diode (LED) coupled to the first paddle card. The first LED turns on to facilitate a user in...

20060228089 - Variable wavelength optical filter: A wavelength tunable optical filter (1) comprises a dielectric crystal portion (2) comprised of a dielectric crystal having a cubic system and exhibiting a quadratic electro-optic effect, a mirror portion (5, 6) constituting a Fabry-Perot etalon in cooperation with said dielectric crystal portion, and an electrode (3, 4) configured to...

20060222281 - External optical modulator: An optical modulator structure includes a block that includes electro-optical (EO) materials. A waveguide and electrode structure is formed on a substrate. The block is in close proximity to the waveguide and electrode structure so as to form optical modulation when electric fields in the block are varied....

20060222282 - Integratable optical isolator in a mach-zehnder interferometer configuration: An optical isolator includes first and second optical splitter-combiners disposed within a semiconductor die. The optical splitter-combiners are coupled together into an interferometer configuration by first and second waveguide sections also disposed in the semiconductor die. A non-reciprocal optical phase shift element is disposed within the semiconductor die and includes...

20060222283 - Integratable optical waveguide isolator: An integratable optical isolator includes a polarizer, a non-reciprocal rotator, and a reciprocal rotator. The polarizer includes first and second ports. The polarizer is configured to receive a forward propagating wave at the first port and to output a polarized forward propagating wave having a first plane of polarization at...

20060222285 - Optical device cavity structure, optical device, and method for manufacturing an optical device cavity structure: An optical device cavity structure includes: insulator layers and metal layers alternately layered on one another; a first terminal section which is formed on a mounting surface to be mounted on a wiring substrate and which is electrically connected to the wiring substrate; a cavity portion having a generally rectangular...

20060222284 - Optical sub-assembly: A system is disclosed. The system includes a printed circuit board (PCB), a substrate mounted on the PCB, an integrated circuit (IC) mounted on the substrate, an optoelectronic sub-assembly mounted on the substrate and coupled to the IC; and a waveguide patterned on the substrate....

20060222286 - Polarized light emitting source with an electro-optical addressing architecture: A light source device, system and method of operating and viewing a polarized light source device. The light source device comprising a support substrate, a plurality of light emitting asymmetrical light emitting resonators placed in a matrix on the support substrate forming a plurality of rows and columns of the...

20060222287 - Actuator and latching systems and methods: An optical switch for routing signals includes a latch receiver connected to a waveguide that routes the signals and an actuator that includes an upper plate, a lower plate and a latch connected to the lower plate, the lower plate of the actuator moving vertically when power is applied to...

20060222288 - Visual display with electro-optical individual pixel addressing architecture: A display device and method of operating the display device. The display device comprising a support substrate, a plurality of light emitting light emitting resonators placed in a matrix on the support substrate forming a plurality of rows and columns of the light emitting resonators, a plurality of light waveguides...

20060222289 - Optical switch apparatus and control information updating method therein: The present invention relates to an optical switch apparatus made to successively carry out the route switching with respect to frame signal light inputted through various paths while eliminating the dispersion of an output power value. In the optical switch apparatus, input side deflecting units are disposed in corresponding relation...

20060222291 - Mems device with failure diagnosis function: In order to implement an MEMS device which monitors a mechanical response characteristic of a moving part to detect a precursor of a fatal failure without needing correction of an existing control input and without adding any components, there are provided vibration detecting means 80 for detecting a micro vibration...

20060222290 - Optical switch and control method therefor: The present invention provides an optical switch for restricting a reduction in an optical coupling efficiency to an output optical path, which comprises a first spectral unit, a second spectral unit for further spectrally diffracting a plurality of wavelength components spectrally diffracted in the first spectral unit, a plurality of...

20060222292 - Placement of lumiphores within a light emitting resonator in a visual display with electro-optical addressing architecture: A display device and method of operating the display device. The display device comprising a support substrate, a plurality of ring or disk shaped light emitting light emitting resonators placed in a matrix on the support substrate forming a plurality of rows and columns of the light emitting resonators, each...

20060222293 - Mitigating the effect of pulse distortions along an optical fiber communications link: A method of mitigating the effect of deterministic (only slowly changing) pulse distortions along an optical fiber communications link transmitting a train of pulses, and apparatus for performing it. Plural copies of the pulse train are made and are all coherently added together with the original train after delaying each...

20060222294 - Coupled mode arrayed waveguide grating: An AWG device includes a plurality of arrayed waveguides positioned close to each other. An input signal excites one of these coupled waveguides and the power is then transferred to all of the arrayed waveguides so there are enough degrees of freedom in the device to achieve any desired distribution....

20060222295 - Dispersion compensator: Dispersion compensator apparatus comprising 1XM, MXN and NXN couplers, where the coupling ratios of the MXN and NXN couplers are selected such that the dispersion compensator provides a desired amount of dispersion compensation....

20060222296 - Optical wavelength division multiplexer: The optical wavelength division multiplexer according to the invention includes: a first coupler optical waveguide 104 and a second coupler optical waveguide 106; one or more input side connecting part waveguide(s) 103 with one end connected to an input optical waveguide 101 and the other end connected to an optical...

20060222298 - Light source module: A light source module includes at least one light source, first optical waveguide which causes light entering therein from a light inlet end face to emanate from a light outlet end face, and an inlet optical system which collects light emitted from the light source and couples it to the...

20060222297 - Optical waveguide coupler, sub-assembled optical unit, optical module and optically coupling method: An optical waveguide coupler for optically coupling an optical waveguide and an optical component having mutually different spot sizes, includes (1) a first spot size converting part, placed on the optical waveguide side, that converts a spot size with higher efficiency for an optical signal of a long wavelength band...

20060222299 - Expanded beam converter for mil-prf-83526/17 optical connector: The fiber optic connector includes a bulkhead connector housing, an expanded beam insert body, ferrules, ball lenses, focal length spacers, and a mating plane adapter. The expanded beam insert body is mounted to the bulkhead connector housing. The ferrules, ball lenses, and focal length spacers are mounted on the expanded...

20060222301 - Optical device latching mechanism: An apparatus including a heat sink compatible with a rail, the heat sink including two engagement windows that align with a corresponding pair of rail engagement windows when the apparatus is positioned in the rail. A handle engaged with the heat sink, the handle to enable a retention position and...

20060222300 - Optical module and optical system: An optical module has a lens holder into which a lens array with three lenses and a diaphragm, for example, is inserted. The lenses and the diaphragm are oriented by way of the geometrical shape thereof such that no further optical adjustment is required. The circuit carrier and the lens...

20060222303 - Optical transceiver module: An optical transceiver module comprises a circuit structure, an optical fiber, a fixture, an optical transceiver and a cover. The optical fiber transmits optical signal. The fixture partially or completely covers the optical fiber, wherein optical signals are transmitted in the optical fiber. The optical transceiver is coupled to the...

20060222302 - Power and communication interface for sensors using a single tethered fiber: A sensing system tethered to an optical fiber for delivering optical power. A sensing system has a semiconductor device that includes photodiodes and a laser. The optical signal delivered through the optical fiber generates a current in the photodiodes that can be used to at least recharge the sensing system's...

20060222304 - Hermetic seal for optical fibers: Methods and apparatus are provided for a seal assembly that includes a first plate, a second plate, and compliant material. The first and second plates each have a first side, a second side, and a channel extending therebetween. The channel includes a first cross-sectional area proximate the first side and...

20060222305 - Helical fiber optic mode scrambler: The methods and apparatus of the present invention provide advantages for remote laser delivery systems that conduct high levels of light energy through a fiber optic cable to a selectable target surface. Helical fiber optic mode scramblers in accordance with the present invention are an integral portion of a fiber...

20060222306 - Optical fiber: An optical fiber resistant to hydrogen-induced attenuation losses at both relatively low and relatively high temperatures includes a substantially pure silica core and a hydrogen retarding layer. The hydrogen retarding coating may be made of carbon, metal, or silicon nitride. The fiber may also include a cladding layer, a second...

20060222307 - Optical systems utilizing optical fibers transmitting high power signal and a method of operating such systems: An optical system comprises an optical fiber with gain producing core with an index of refraction n1, surrounded by at least one cladding with an index of refraction n2, said cladding including at least one index reduced area with an index of refraction n2, such that n1>n2>n2, the core propagating...

20060222308 - Optical fiber suitable for high-speed large-scale wdm system, optical transmission line and optical transmission system using the same: Disclosed is a single-mode optical fiber suitable for and optical transmission line used in WDM (Wavelength Division Multiplexing) system, which has low dispersion slope, sufficient dispersion value and large effective section area over S-, C- and L- band (1460˜1625 nm) to enable high-speed, large-capacity signal transmission. The optical fiber uses...

20060222309 - Convertible fiber closure platform: An optical fiber splice case particularly adapted for providing fiber optic links directly to a home, business, et al. is provided wherein at least one enclosure base has at least one cover member selectively sealingly engaged with at least one side of the at least one enclosure base. The at...

20060222310 - Optical fiber fixing member and manufacturing method of the same and optical module and manufacturing method of the same: An optical fiber fixing member includes holding portions formed by bending portions defined by incisions formed in a metal member and a fixing portion defined by a remaining portion of the metal member except the holding portions. The holding portions sandwich an optical fiber from both sides thereof, and the...

20060222311 - Backlight unit of liquid-crystal display module: A backlight unit is disposed at a lower side of a liquid-crystal display module LCD, and has a case that accommodates a fluorescent tube, as a light source for light incident to the liquid-crystal display module, a lamp reflector that accommodates the fluorescent tube, and an optical waveguide having an...

20060222312 - Articulated mems structures: The present invention relates to an articulated micro-electro-mechanical (MEMS) device, which is constructed in such a way as to enable several of the devices to be closely packed together, i.e. high fill factor, for redirecting specific wavelengths of light from a dispersed optical signal to different output ports. The articulated...

20060222314 - Measurement system for determining six degrees of freedom of an object: A measurement system for determining six degrees of freedom (α, β, d, φ, χ, ψ) of a reflector (2) or of an object (3) on which the reflector is arranged, comprises an angle- and distance measurement apparatus (1), e.g. a laser tracker, operating with a laser beam as a measurement...

20060222313 - Optical modulator module package structure: Disclosed herein is an optical modulator module package structure. In the optical modulator module package structure, an optical modulator device and a drive integrated circuit device are flip-chip bonded to a substrate, and an opening of the substrate is blocked using a piece of glass....

20060222315 - Substrate processing apparatus and substrate processing method: An inventive substrate processing apparatus comprises a substrate holding mechanism which generally horizontally holds a substrate and rotates the substrate about a generally vertical rotation axis, a process liquid supplying mechanism for supplying a process liquid to the substrate held by the substrate holding mechanism, a first guide portion provided...