Optical waveguides inventions 02/06

20060039642 - Optical switch: The present invention provides an optical switch whose operational characteristics do not change, and which is not affected by polarization cross talk, even when the wavelength of a signal light or the ambient temperature of the optical switch varies. The optical switch comprises first and second polarization splitting/combining modules 10,...

20060039643 - Misalignment compensating optical sensor and method: A misalignment compensating optical sensor (222), that is operable to receive excitation light (30) having a range of input propagation angles ω. The sensor (222) has a variable reflected propagation angle θ0i reflective surface (227) and a sensing waveguide (228). The shape of the reflective surface (227) is selected to...

20060039644 - Arrangement for connecting an optical waveguide to a microprocessor-controlled electrical appliance: The invention relates to an arrangement for connecting an optical waveguide to a microprocessor-controlled electrical appliance having an arithmetic module which is connected to the electrical appliance and has network functionalities for linking the electrical appliance to a network, an interface chip, connected to the arithmetic module, in the form...

20060039645 - Optical switch: A first light reflection surface (51) and a second light reflection surface (52) are formed on a lower half of a mirror block (50) in a state that these light reflection surfaces (51), (52) make 90 degrees therebetween. A first light reflection surface (51) and a second light reflection surface...

20060039646 - Optical switch and matrix optical switch: The invention provides an optical switch including a substrate which has conductivity or semiconductivity, an optical waveguide layer which is formed on the substrate, and a control electrode which is formed on the optical waveguide layer. The optical waveguide layer includes an incident-side channel waveguide to which a light signal...

20060039648 - Apparatus, system and method for a tunable optical filter and channel dropping de-multiplexer: A tunable optical filter comprises an optical switch having a single first optical port and a plurality of second optical ports; a plurality of band pass filters, each one of the band pass filters optically coupled to a respective second optical port; and an optical multiplexer having a plurality of...

20060039647 - Grating-based wavelength selective switch: The present invention is a wavelength-selective optical transmission system that includes a first waveguide for transmitting a multiplexed optical signal therethrough. The system further includes a second waveguide coupled to the first waveguide wherein a least one of the first and second waveguides have a set of wavelength-selective Bragg gratings...

20060039649 - Method for incidence of light into a photonic crystal optical waveguide and structure thereof: Disclosed in a method and a device in which a wave number of light in the waveguide mode of a photonic crystal optical waveguide is matched with that of the incident light, or a intensity ratio of electric field to magnetic field of the light in the waveguide mode of...

20060039650 - Optical component, method for connecting the same, and optical module having the optical component: There are provided a substantially cylindrical optical component, a method for connecting the same, and an optical module having the optical component, whereby adequate gripping force can be exerted during positioning or fixing, and the position in the azimuthal angle about the cylinder axis can be easily aligned. The optical...

20060039651 - Patterning apparatuses and methods for the same: An apparatus for patterning a workpiece may include at least two spatial light modulators. The at least two spatial light modulators may receive and relay electromagnetic radiation from an electromagnetic radiation source toward a workpiece. The electromagnetic radiation may be split into at least two beams in an optical plane...

20060039652 - Technique for stabilizing laser wavelength and phase: A technique to stabilize the effective refraction index of a laser generating system's wave guide, as well as a technique to stabilize the phase of the wave guide. In at least one embodiment of the invention, a polymer is used within the wave guide to counteract the effects of temperature...

20060039653 - Resonant optical devices incorporating multi-layer dispersion-engineered waveguides: A multi-layer laterally-confined dispersion-engineered optical waveguide may include one multi-layer reflector stack for guiding an optical mode along a surface thereof, or may include two multi-layer reflector stacks with a core therebetween for guiding an optical mode along the core. Dispersive properties of such multi-layer waveguides enable modal-index-matching between low-index...

20060039654 - Lightpipe mounting assembly and method: A lightpipe mounting assembly comprises a panel having at least one opening extending from a front side of the panel to a rear side of the panel. The panel also comprises at least one hook extending rearwardly from a periphery of the opening. The mounting assembly also comprises a lightpipe...

20060039655 - Zone two fiber optic cable: A module-to-fiber connection includes a fiber optic module and a fiber optic cable assembly. The fiber optic module includes (1) a ferrule interface having a port for receiving a ferrule, (2) an optoelectronic device such as a light source or a photodetector, and (3) a first lens having a first...

20060039656 - Communications system employing single-mode lasers and multimode optical fibers: An optical transmission system having a single mode laser that generates an optical signal that is carried by a multimode optical fiber to a receiver is disclosed. The single mode laser has an emitting aperture from which the optical signal is routed to the input end of the multimode optical...

20060039657 - Jointing holder for optical module for single-fiber bidirectional communication and optical module incorporating the jointing holder: A jointing holder for an optical module for single-fiber bidirectional communication comprises a unitarily structured cylindrical body that has the following portions: (a) an optical fiber-fixing portion for securely holding an optical fiber for transmitting multiwavelength light bidirectionally, (b) a semiconductor laser-fixing portion for securely holding a semiconductor laser for...

20060039658 - Optoelectronic conversion header, lsi package with interface module, method of manufacturing optoelectronic conversion header, and optical interconnection system: In an optoelectronic conversion header, a ferrule holds an optical waveguide in a predetermined position so that an end face of the optical waveguide protrudes from an mounting surface of the ferrule. An electric wire is provided on the mounting surface of the ferrule, a optical semiconductor device is mounted...

20060039659 - Optical fiber cables: The specification describes an optical fiber drop cable with a flat configuration and having two side-by-side subunits. One of the subunits contains a cable strength member, e.g. a steel wire or stranded wire. The other subunit is an optical fiber subunit, which contains the optical fiber(s), and also contains one...

20060039660 - Process for producing a leached fiber bundle, and improved leached fiber bundle: A leached fiber bundle with the light outlet points positioned as accurately as possible is provided, in which the end faces are not completely fused together, but rather are only fused together at their contact surfaces. The interstices formed are permanently filled with adhesives with the aid of a pressure...

20060039661 - Fiber for compensation of the cumulative chromatic dispersion in a fibre with negative chromatic dispersion: The fibre is adapted to compensation of the chromatic dispersion and chromatic dispersion slope of an optical fibre with negative chromatic dispersion. It has, in a propagation mode other than the fundamental mode, a positive chromatic dispersion and a negative chromatic dispersion slope. The fibre can be used in compensation...

20060039662 - Broad-band fiber-optic wave plates: A section of birefringent optical fiber spun at a slowly varying spin-rate from zero to a high value, or vice versa, behaves as a fiber-optic quarter wave plate in polarization transforms. Despite this similarity in SOP transforms with its bulk-optic counterpart which is narrow-band, this invention works on an entirely...

20060039664 - Large effective area high sbs threshold optical fiber: An optical waveguide fiber having a high threshold for stimulated Brillouin scattering. The optical fiber preferably has large optical effective area, and further preferably has a low zero dispersion wavelength....

20060039665 - Optical fiber: An optical fiber includes: a core at a center; a first cladding layer; a second cladding layer; and a third cladding layer. A maximum refractive index of the core is greater than any of maximum refractive indices of the first cladding layer, the second cladding layer, and the third cladding...

20060039663 - Optical fiber having enhanced separation of higher-order modes: A new annular-core optical fiber is useful, inter alia, for stabilizing the behavior of an optical attenuator based on a Long Period Grating (LPG) against fluctuations in the polarization of the fundamental optical signal. The fiber dimensions and Δn are selected such that when a LPG of some period is...

20060039666 - In-line light sensor: An integrated optical waveguide (1) having an in-line light sensor (2) integrally formed therewith for tapping off a small proportion of the signal transmitted along the waveguide (1). A first part (1A) of the waveguide leads to a photodiode portion (2) and a second part (1B) of the waveguide leads...

20060039667 - Cable guide: A cable guide for a cable support system that includes at least one support tray. The cable guide has a base with two base portions disposed in side by side relation. The base portions are adapted to cooperatively engage wires of the support tray(s). A support shaft extends from at...

20060039668 - Optical fiber array: An optical fiber array includes an alignment substrate, a plurality of ferrules, and a plurality of optical fibers. The alignment substrate has a plurality of guide holes which are two-dimensionally arrayed and extend through the substrate. The ferrules are respectively inserted into the guide holes in the same direction and...

20060039669 - Attenuator device, and optical switching device: There is provided an attenuator device having a simple configuration and capable of selecting an output of beam of an arbitrary wavelength range from a plurality of output ports. The attenuator device comprises: a plurality of output fibers (1-3 and 1-5) having an end surface serving as an output port;...

20060039670 - Light guide device and backlight module using the same: A light guide device (60) and a backlight module using the same. The light guide device includes: an incident surface (61); an emitting surface (64) adjacent to the incident surface; a reflecting surface (62) opposited to the emitting surface; a plurality of first V-shaped structures (644) formed on the emitting...

20060034557 - Polarization recovery system using redirection: A polarization recovery system includes a polarizing beam splitter transmitting light of a useful polarization in an output direction and reflecting light of a non-useful polarization in a first orthogonal direction substantially orthogonal to the output direction. An initial reflector may reflect the non-useful polarization light in a second orthogonal...

20060034558 - System for the measurement and data acquisition for optical fiber sensors: A system for the measurement and surface data acquisition for optical fiber sensors containing Bragg gratings for the sensing of physical parameters originated from a set of oil wells, the system including: an optical system for signal processing, the signals being originated from physical parameters sensors installed in one single...

20060034559 - Optical transducer and method for the simultaneous measurement of pressure and temperature in oil and gas wells: An optical transducer 100, 200 and method for the simultaneous measurement of downhole pressure and temperature in a single- or multi-point configuration including a body 10a/10b with an elastic membrane 50 onto which at least one Bragg grating 60a/60b is attached, and at least an additional Bragg grating 60b/60a contained...

20060034560 - Apparatus for providing optical communication between integrated circuits of different pc boads and an integrated circuit assembly for use therein: Optical communication apparatus comprises: a first IC assembly disposed at a first PCB and comprising: a first IC package electrically coupled to circuits of the first PCB and having an opening in a bottom layer thereof; a first array of optical elements disposed in and electrically coupled to the first...

20060034561 - Planar lightwave circuit package: An optical packaging arrangement combines a planar lightwave circuit (PLC) having an array of waveguides thereon, an array of photodetectors on a substrate to receive light beams coupled out of the PLC by the output ports, and a collimating faceplate, having a plurality of glass cores, extending between the PLC...

20060034562 - Beam switch structures and methods: A substantially straight beam in an unbuckled state is compressed to cause the beam to buckle using an adjustable compressor. The adjustable compressor applies force to one or both ends of the beam and limits compression on the beam to allow the beam to move between a first buckled state...

20060034563 - Optical module and optical switch constituting the same: An optical module controls its output characteristics electrically and an optical switch constitutes the optical module. An optical waveguide circuit (PLC) and an electronic circuit (IC) for driving the PLC are mounted on the same substrate. The IC is composed of a bare chip to be molded afterward. Wiring of...

20060034564 - Optical module and optical switch constituting the same: An optical module controls its output characteristics electrically and an optical switch constitutes the optical module. An optical waveguide circuit (PLC) and an electronic circuit (IC) for driving the PLC are mounted on the same substrate. The IC is composed of a bare chip to be molded afterward. Wiring of...

20060034565 - Optical module and optical switch constituting the same: An optical module controls its output characteristics electrically and an optical switch constitutes the optical module. An optical waveguide circuit (PLC) and an electronic circuit (IC) for driving the PLC are mounted on the same substrate. The IC is composed of a bare chip to be molded afterward. Wiring of...

20060034566 - Display element and display using the same: A display element is provided with a light source and a waveguide that propagates a light emitted from the light source, wherein the light propagated in the waveguide is extracted to outside from a waveguide lateral face, and wherein the light is extracted out of the waveguide from the waveguide...

20060034567 - Optical beam combiner: An optical beam combiner for combining a plurality of light beams comprises: a plurality of spherical mirrors; and a flat mirror, the plurality of spherical mirrors and the flat mirror configured to form at least one multiple pass light beam optical arrangement for receiving the plurality of light beams and...

20060034568 - Integrated optics filtering component comprising an optical cladding and method for making same: The invention relates to an integrated optics filtering component comprising in a substrate (10) at least one filtering unit comprising an optical guide core (11), an optical cladding (13) independent of the core and at least two elementary zones of interaction in series (Z1, Z2, Z3), in which each elementary...

20060034569 - Novel folded mach-zehnder interferometers and optical sensor arrays: The invention provides novel “folded” Mach-Zehnder interferometers (“folded” MZI's), methods for making folded MZI's, and systems and devices incorporating them. The novel folded MZI's are elaborated from conventional MZI structures by cutting across the interferometer arms of a conventional MZI structure and creating reflectors on the exposed ends of the...

20060034570 - Laser module and its fabrication method: A laser module includes: a sub-mount; a semiconductor laser secured to a surface of the sub-mount; and an optical waveguide device joined to the surface of the sub-mount by an adhesive layer so that the optical waveguide device is coupled optically with the semiconductor laser. A first groove is formed...

20060034571 - Laser module with sealed packages having reduced total volume: In a laser module in which laser beams emitted from semiconductor laser elements are collimated by collimator lenses, and condensed by an optical condensing system so that the laser beams converge at a light-entrance end face of an optical fiber. The semiconductor laser elements and the collimator lenses are contained...

20060034572 - System and method of configuring fiber optic communication channels between arrays of emitters and detectors: A system for configuring fiber optic communication channels between arrays of emitters and detectors comprises: an array of light emitters; an array of light detectors; a bundle of optical fibers disposed between the arrays of light emitters and light detectors for conducting light from the light emitters to the light...

20060034573 - Method for compensating modal dispersion in multimode optical fiber transmission path: In an optical transmission path including multimode optical fibers, modal dispersion is reduced so that signal light can be transmitted at high speed and across a broad band, at low-cost and over a long distance. To reduce modal dispersion, when the transmission path is constructed by coupling a plurality of...

20060034574 - Hole-assisted holey fiber and low bending loss multimode holey fiber: A hole-assisted holey fiber is provided. The holey fiber includes a core region; a cladding region around the core region, and a plurality of holes in the cladding region around the core region. The core region has a higher refractive index than that of the cladding region. The holes form...

20060034575 - Optical fiber, optical fiber ribbon, and optical interconnection system: An optical fiber includes a core and a cladding which are made from silica glass, allows single mode transmission at a wavelength of 1100 nm, and has a mode field diameter of not less than 4 μm at a wavelength of 1100 nm, and a bending loss of not more...

20060034577 - Photonic crystal device: A photonic crystal device according to the present invention includes: a substrate 201; a periodic structure portion 206 formed in or on the substrate 201, the periodic structure portion 206 having a plurality of holes 2050 and 2051 arranged in a periodic array; at least one optical waveguide 202 formed...

20060034576 - Superluminescent diodes having high output power and reduced internal reflections: Systems and methods according to the present invention address this need and others by providing SLD devices and methods for generating optical energy that reduce internal reflections without the use of an absorber region. This can be accomplished by, among other things, adapting the waveguide geometry to dump reflections from...

20060034578 - Telecommunications cable enclosure: An enclosure for use with a telecommunication cable includes a housing for retaining spliced telecommunication lines. At least one of a plurality of connection devices is connected to one of the spliced telecommunication lines within the housing. A primary entrance in the housing allowing simultaneous access to each of the...

20060034579 - Surface emitting device and liquid crystal display device: A light source includes a rod-shaped optical waveguide body provided along a light-incident surface of the optical waveguide and light-emitting elements provided at least one end of the rod-shaped optical waveguide body in a width direction. A side surface of the rod-shaped optical waveguide body facing the light-incident surface of...

20060034580 - Waveguide apparatus and method for laser welding: Some embodiments of the present invention provide a waveguide apparatus for transferring light to a weld area. The waveguide apparatus can include a waveguide comprising a material having a first index of refraction and having at least one wall defining at least one cavity. The assembly can also include a...

20060029319 - Optical modulator: The present invention relates to an optical modulator capable of preventing a disconnection of an electrode and improving a discontinuity of a characteristic impedance while realizing a polarization inverting area and a ridge waveguide in a single optical modulator. In the optical modulator, a first electrode is composed of an...

20060029320 - Integrated optical network with controlled optical beam deflection and optical transmitter: Integrated optical network comprising: an array of optical waveguides having respective output ends defining a array of radiating elements, wherein said guides receive respective optical input signals and output said optical signals from said radiating elements to form an optical beam; and actuator means to introduce in said array of...

20060029321 - Optical parts coupling structure, method of manufacturing the same, optical switch, two-dimensional lens array, and method of manufacturing the same: A first optical waveguide having at least a core layer with a refractive index ncj and a second optical waveguide having at least a core layer with a refractive index nck are arranged to oppose their end surfaces, and at least any one end surface of the first optical waveguide...

20060029322 - Optical fiber sensor based on retro-reflective fiber bragg gratings: A retro-reflective sensor for sensing mechanical, chemical or temperature related information, is disclosed. The sensor is formed of an optical waveguide suitable for use in-situ in a high temperature environment having a Bragg grating written into a core region thereof with short-pulsed electromagnetic radiation, said optical waveguide having a glass...

20060029324 - Benzocyclobutene polymer (bcb) as a passivation layer for optical passive elements: An InP-based photonic integrated circuit (PIC) includes an optical passive element in the circuit with no bias current applied to such an element. A passivation cladding layer overlies a surface of the optical passive element where the passivation layer comprises benzocyclobutene polymer or BCB....

20060029323 - Integrated optical circuit having an integrated arrayed waveguide grating (awg) and optical amplifier(s): An integrated optical circuit includes waveguides formed in the integrated optical circuit. One set of waveguides is a set of optical amplifiers doped with rare earth ions. A second set of waveguides is a multiplexer or demultiplexer, such as an arrayed waveguide grating (AWG). The set of optical amplifiers and...

20060029326 - Optical waveguide apparatus and method for making the same: An optical waveguide apparatus includes an optical waveguide, such as an optical sheet of a two-dimensional slab waveguide, and an appropriately-shaped plated structure provided in the optical waveguide. Typically, the plated structure is constructed so as to serve as an optical-path converting unit for optically coupling the optical waveguide and...

20060029325 - Thermally isolating optical devices: A thermo-optic device may be formed with trenches that undercut the substrate beneath the thermo-optic device. Through the removal of the underlying substrate, the heat dissipation of the thermo-optic device may be reduced. This may reduce the thermal budget of the device, reducing the power requirements for operating the device...

20060029327 - Transparent optical switch: A transparent optical switch includes network management and performance monitoring using bit level information obtained by extracting selected information on a polling basis and analyzing the extracted information in the electrical domain. In one embodiment, a signal is injected into the switch fabric of the switch via a demultiplexing device....

20060029329 - Optical multiplexer/demultiplexer and optical communication system: The optical multiplexer/demultiplexer 100 includes a member 110 on which optical waveguides 111 to 114 and a groove 115 are formed and an optical filter 120 inserted in the groove 115. The member 110 is a planar optical waveguide where the optical waveguides 111 to 114 are formed on one...

20060029328 - Optical multiplexer/demultiplexer, optical communication system and method of manufacturing the optical multiplexer/demultiplexer: An optical multiplexer/demultiplexer is provided with a first member, a second member and an optical filter. The first member is a planar waveguide and is formed with an optical waveguide and another optical waveguide. The second member is a planar waveguide and is formed with an optical waveguide and another...

20060029330 - Integrated optics coupling element comprising a grating produced in a cladding and method for making same: The invention relates to an integrated optics coupling element characterised in that it comprises in a substrate (11) an optical guide core (12), an optical cladding (13) independent of the core and surrounding at least one portion of the core in a zone of the substrate called the zone of...

20060029331 - Method and device for establishing an optical connection between an optoelectronic component and an optical waveguide: A method for establishing an optical connection between at least one optoelectronic component arranged in a first substrate and emitting or receiving optical radiation substantially perpendicular to a substrate surface of the first substrate, and at least one optical waveguide aligned with a first end substantially parallel to the substrate...

20060029333 - Dual-use coaxial optical fiber connector: A dual-use coaxial optical fiber connector comprises a main body, a spring, an assembly seat and a dust-proof cover. The an assembly seat is provided with assembling bevels and locking holes which are used to engage with the assembling grooves and the locking elements of the main body, so as...

20060029332 - Retention and release mechanisms for fiber optic modules: A rotate-and-pull mechanism for fiber optic modules. The mechanism having a lever-actuator to unlatch and withdraw a fiber optic module from a cage assembly or a module receptacle. The lever-actuator pivotally couples to the fiber optic module so that when lever-actuator is rotated about its pivot point, the lever-actuator causes...

20060029334 - Polarity maintaining multi-connector optical cable assembly: According to certain aspects of the present invention, an optical cable assembly is disclosed having a plurality of optical fibers, each having a first end and a second end. The plurality of optical fibers includes a first group of optical fibers and a second group of optical fibers. A first...

20060029335 - Extending latch mechanism for a pluggable optical module: An extending latch mechanism for a pluggable optical module includes a resilient member and a lever coupling with each other. The lever is turnable to drive and deform the resilient member and to retract the resilient member transversely in the optical module so that the optical module may be removed...

20060029336 - Opto-electrical module for optical signals from at least two optical data channels for arranging on a main circuit board of a component assembly and opto-electrical component assembly: The invention relates to an optoelectronic module for optical signals of two optical data channels for arrangement on a main circuit board of an assembly, having a housing, which has an underside for arrangement of the optoelectronic module on a main circuit board. The arrangement further includes a printed circuit...

20060029337 - Opto-electronic housing and optical assembly: An opto-electronic housing and an opto-electronic assembly. The housing includes an enclosure defining a cavity. An opening through a wall of the enclosure is adapted to receive a substrate. A mount projects into the cavity opposite the opening. The mount is adapted to support an opto-electronic device. Adjacent the mount...

20060029338 - Package sealing means and photonic device packages so formed: The present invention is directed to hermetically sealed photonic device packages and the polymeric sealing means employed therefore for connecting one or more optical fibers to a photonic device....

20060029339 - Method and device for splicing of optical wave guides by fusion: The inventive method consists in introducing two connectable end sections of spliceable optical waveguides in a mobile clamping device and in clamping said end sections in such a way that they are oriented at least towards one position which is axial with respect to another. Each clamping device (4, 4′)...

20060029340 - Locatable dielectric optical fiber cable having easily removable locating element: The present invention provides a dielectric optical fiber cable which is capable of being remotely detected while buried. Specifically, this invention incorporates a detectable and easily removable locating element which is attached to the optical fiber cable by a web defined by the jacket extending over both the optical fiber...

20060029341 - Optical scanning device: An optical scanning device including a bundle of optical fibers adapted for delivering optical energy beams therethrough, and an actuator coupled to the bundle of optical fibers adapted to bend the bundle of optical fibers in a scanning motion....

20060029342 - Method and system for measuring the wavelength dispersion and nonlinear coefficient of an optical fiber, method of manufacturing optical fibers, method of measuring wavelength-dispersion distribution, method of compensating for measurement errors, and met: A method of simultaneously specifying the wavelength dispersion and nonlinear coefficient of an optical fiber. Pulsed probe light and pulsed pump light are first caused to enter an optical fiber to be measured. Then, the power oscillation of the back-scattered light of the probe light or idler light generated within...

20060029344 - Fiber optic article including fluorine: A fiber optic article, such as an optical fiber or an optical preform, can include a core comprising a concentration of erbium, a concentration of fluorine and a concentration of ytterbium for sensitizing the erbium by absorbing pump light and transferring energy to the erbium. The erbium can provide light...

20060029343 - Fiber optic article with inner region: A fiber optic article can comprise a core, an inner region disposed about the core and a cladding disposed about the inner region. The index of refraction of the cladding can be less than that of the inner region, and the index of refraction of the inner region can be...

20060029345 - Method of processing optical fiber: A method of processing an optical fiber having a first facet and a second facet is provided. The method includes the steps of applying a photosensitive material to a region on the first facet at least including an entirety of a core in a generally uniform thickness, irradiating light of...

20060029346 - Polarization insensitive microbend fiber gratings and devices using the same: A microbend-induced fiber grating is formed from a section of optical fiber configured to exhibit “splitting” between the resonant wavelengths supported by the TE and TM components of the LP1m mode and the resonant wavelength supported by the odd/even HE2m components of the LP1m mode. Since only the TE and...

20060029348 - Optical waveguide structure: Waveguide structures in which light confinement strength varies along the direction of light propagation are described. The waveguides include a core adapted to propagate light along a path defined by the core and a cladding material that at least partially surrounds the core. The core and the cladding material each...

20060029347 - Photonic crystal resonator apparatus with improved out of plane coupling: A two-dimensional photonic crystal resonator apparatus in which the power of light coupled out of the apparatus in one direction is greater than the power of light coupled out of the apparatus in the opposite direction The apparatus has a photonic crystal slab waveguide structure having a waveguide and a...

20060029349 - Three-dimensional photonic crystal and optical element: A three-dimensional photonic crystal operating at a plurality of design wavelengths, in which the photonic band gap can be adjusted to a desired wavelength band without changing the lattice period, and an optical element that can contain a defect resonator or a defect waveguide in the three-dimensional photonic crystal are...

20060029350 - Integration rod structure for digital projector: An integration rod structure for a digital projector comprising a length of hollow integration rod and a length of solid integration rod, reflecting an incoming light beam to pass through to acquire a homogeneous light beam in a shorter length than normal solid integration rod with lower energy loss during...

20060029351 - Device for the structured storage or handling of optical waveguides: A device for storing and handling optical fibers, namely a cable sleeve, includes a frame and a plurality of splice cases arranged one above the other on a front side of the frame and on a rear side of the frame and pivotally fastened to the frame. Fiber guide elements...

20060029352 - Fiber distribution frame having optical security and protection features: A fiber distribution frame includes a housing and a door which opens and closes with respect to an exposed face of the housing to provide and restrict access to optic components within the housing. The frame further includes a door locking device having a door latch mounted to the door,...

20060029353 - Modules including multiple rows of adapters for high density optical fiber distribution frame: A fiber optic telecommunications frame is provided including termination modules positioned on left and right sides of the frame. The frame further includes left and right vertical cable guides. The frame includes a horizontal passage linking the left and right panels and the cable guides. The termination modules hold fiber...

20060029354 - Vertical cable management system with ribcage structure: A cable management system is provided including a rack for holding telecommunications equipment, and a ribcage cable support member along a vertical side of the rack. The ribcage cable support member includes a plurality of forwardly and rearwardly extending ribs. The ribs each include cable retention tabs. A plurality of...

20060029355 - One-piece housing and backlight module having the same: A one-piece housing of a backlight module includes an integrally-formed frames and an engaging structure formed on the frames. The integrally-formed frames are constructed to define a plurality of accommodation spaces corresponding to the positions of separate display regions of a display device, and each of the accommodation spaces accommodates...

20060029357 - Method of processing optical fiber: A method of processing an optical fiber having a first facet and a second facet is provided. The method includes the steps of applying a photo-curing material which is optically transparent and hardens under light of a predetermined wavelength, to a region on the first facet at least including an...

20060029356 - True rms converter board: A true RMS conversion circuit. A test apparatus includes a transmitter source including AC and DC supplies. The transmitter source can connect to a transmitter. The test apparatus includes an optical receiver to receive optical signals from a transmitter coupled to the transmitter source. The optical receiver includes an amplifier...

20060023987 - Optical instrument and measurements using multiple tunable optical polarization rotators: Devices and techniques for generating and analyzing states of polarization in light using multiple adjustable polarization rotators in various applications....

20060023988 - Micromachined optical pressure sensor: A pressure sensor including: a deflectable diaphragm including a substantially central boss and channel; and, an optical waveguide having first and second arms, wherein the first arm is substantially aligned with an edge of the boss and the second arm is substantially aligned with an edge of the channel....

20060023990 - Interconnect device: Embodiments of methods, apparatuses, devices, and/or systems for optical are disclosed....

20060023992 - Method of in-wafer testing of monolithic photonic integrated circuits (pics) formed in a semiconductor wafer: A method of in-wafer testing is provided for a monolithic photonic integrated circuit (PIC) formed in a semiconductor wafer where each such in-wafer circuit comprises two or more integrated electro-optic components, one of each in tandem forming a signal channel in the circuit. The method includes the provision of a...

20060023991 - Photoelectronic device and production method of the same: A photoelectronic device capable of maintaining the degree of freedom in designing for dealing with design changes and responding to producing a variety of kinds in a small amount, and the production method are provided: wherein a light emitting element for emitting a light to be a clock signal, a...

20060023989 - Wavelength multiplexer/demultiplexer: Disclosed is a wavelength multi/demultiplexer for separating two wavelength bands with a narrow wavelength spacing. A dielectric multilayer filter is provided in an intersection portion where two optical waveguides intersect each other and separates incident light to the dielectric multilayer filter to transmitted light and reflected light. Here, the distance...

20060023993 - Directional optical coupler: A directional optical coupler is shown and described, which includes an optical cell that is made of a first transparent conductor, a second transparent conductor and an electro-optical member interposed between the two transparent conductors, the electro-optical member having an index of refraction which can be varied only along one...

20060023994 - Dual comb electrode structure with spacing for increasing a driving angle of a microscanner, and the microscanner adopting the same: A dual comb electrode structure with spacing for increasing a driving angle of a micro mirror provided by MEMS (Micro-Electro-Mechanical system) structure and a microscanner adopting the same are provided. The dual comb electrode structure includes: a mirror unit for reflecting light; a plurality of movable comb electrodes protruded in...

20060023995 - Vertical offset structure and method for fabricating the same: A vertical offset structure and a method for fabricating the same. The vertical offset structure includes a substrate; a fixed electrode fixing portion formed on the substrate; a fixed electrode moving portion formed at a position away from an upper portion of the substrate by a predetermined distance; a spring...

20060023996 - Optical add/drop multiplexer: An optical add/drop multiplexer of the invention includes: a wavelength blocker for blocking signal light having at least one wavelength out of a plurality of signal lights included in WDM light supplied from a transmission line and passing the other signal light; an optical coupler for multiplexing signal light having...

20060023997 - Optically controlled photonic switch: Fast, all optical switching of light is provided on silicon, using highly light confining structures to enhance the sensitivity of light to small changes in refractive index. In one embodiment, the light confining structures are silicon micrometer-size planar ring resonators which operate with low pump light pulse energies....

20060023998 - Optoelectronic assembly with coupling features for alignment: An optoelectronic assembly includes an optical lens element (OLE) coupled to a substrate. The substrate includes a transducer, a standing structure on the transducer, a transducer lens supported by the standing structure over the transducer, and alignment features. The OLE includes an OLE lens and co-alignment features that couple with...

20060023999 - Manufacturing of optical devices including bragg gratings: A method of producing an optical device including a Bragg grating formed in an optical waveguide, the method comprising: providing a support substrate; positioning the optical waveguide with respect to an optical source so as to achieve a desired optical coupling of optical power emitted by the optical source into...

20060024000 - Conducting cavity sensor: A concentration of particles or a single particle may be detected using a conducting cavity sensor. The conducting cavity sensor includes a two dimensional periodic lattice of conducting rods surrounded by a dielectric medium with a defect in the periodic lattice serving as the sensing volume....

20060024001 - Optical fiber connected body with mutually coaxial and inclined cores, optical connector for forming the same, and mode conditioner and optical transmitter using the same: An optical fiber connected body including a first optical fiber having a core and a clad, and a second optical fiber having a core and a clad, with its end connected optically to an end of the first optical fiber, in which the core center of the first optical fiber...

20060024003 - Coupling unit for coupling an optical transmitting and/or receiving module to an optical fiber connector: A coupling unit for coupling an optical transmitting and/or receiving module to an optical fiber connector. The coupling unit has a connecting region, which can be connected to a transmitting and/or receiving module, a receiving region, which receives an optical fiber connector, and a glass component, via which light is...

20060024002 - Electro-optic surface mount light pipe and connector: A method includes providing a light pipe having a metallized end surface, and soldering the metallized end surface of the light pipe to a surface of a substrate. Other embodiments are described and claimed....

20060024005 - Optical transceiver module having a dual segment molded lead frame connector: An optical transceiver module having a plurality of optical subassemblies and a printed circuit board is disclosed. The transceiver module includes lead frame connectors for connecting the optical subassemblies to the printed circuit board. The lead frame connectors include a stamped and bent conductive lead structure that is encased in...

20060024004 - Packages for devices and components: A package for maintaining alignment of components includes a frame and a beam with the beam attached to the frame and one end of the beam. One or more components are mounted to the beam. The frame and a portion of the beam are separated from each other by a...

20060024006 - Container assembly for laser diode module: In a container assembly for a laser diode module in which a temperature control device is not incorporated in advance, a heat-insulative casing is adapted to accommodate the laser diode module. A temperature detector is accommodated in the casing. A thermal coupling member is accommodated in the casing so as...

20060024007 - Device for tissue characterization: A probe for use in characterizing tissue. The probe includes a plurality of optical fibers and an optical element. Each fiber includes a distal portion and a proximal portion. The fibers transmit light through the fiber to a surrounding area and collect light reflected back from the surrounding area. The...

20060024008 - Composite waveguide: A composite waveguide comprising a central core and at least one side core helically wound about said central core and in optical proximity to said central core....

20060024009 - Single mode photonic crystal optical fiber: c

20060024010 - Coated optical fibers: A coated optical fiber can have a primary coating and a secondary coating, where the primary coating can have good microbending resistance and is obtained by curing a composition having a high cure speed. In one example, a coated optical fiber can include as optical fiber, a primary coating and...

20060024012 - Optical waveguide, optical waveguide ferrule, and optical connector: The present invention provides an optical waveguide including an optical waveguide core for transmitting optical signals, a plate-shaped clad portion containing the optical waveguide core therein, and at least one of a concave portion and a convex portion at an end surface portion of the clad portion which end surface...

20060024013 - Resonant leaky-mode optical devices and associated methods: Optical devices with versatile spectral attributes are provided that are implemented with one or more modulated and homogeneous layers to realize leaky-mode resonance operation and corresponding versatile spectral-band design. The first and/or higher multiple evanescent diffraction orders are applied to excite one or more leaky modes. The one- or two-dimensional...

20060024011 - Two-dimensional photonic crystal, and waveguide and resonator using the same: A tetragonal lattice 104 is formed by cylindrical structural members 101, and a photonic crystal 100 has a periodical structure formed by a periodical arrangement of such tetragonal lattice 104. A distance between center points of the cylindrical structural members 101 is taken as a unit length a, which constitutes...

20060024015 - Optical fiber reel module and winding method therefor: A optical fiber reel module including a reel having a continuous outer circumference and an optical fiber wound around the reel. The optical fiber reel module further includes an adjustable diameter between a first length and a second length and after an optical fiber is wound around the reel....

20060024014 - Wiring board: On a wiring board, an optical connection cable is provided in which a wiring light cord and a conducting wire are laid out in parallel. A primary side port and a secondary side port are optically connected for wiring, and are electrically connected to confirm the connection. When both ports...

20060024016 - Optical cable exit trough: A cable exit trough is mountable to a lateral trough section either during initial assembly of the cable routing system, or at a later date. The exit trough includes a bracket portion mountable to the top edge of one of the sides of the lateral trough section. Two lead-ins are...

20060024017 - Flat optical fiber light emitters: Light emitters are made of one or more cladded flat optical fibers having opposite flat sides and disruptions along at least a portion of the length of the fibers to cause light entering at least one end to be emitted from at least one side. The ends of the flat...

20060024019 - Injection mold for light guide body and apparatus for manufacturing light guide body using same: An injection mold for a light guide body is disclosed which comprises: a cavity defined inside the injection mold to provide a contour of the light guide body; a plurality of through holes each of which communicates with the cavity, allows an optical fiber to be inserted in the through...

20060024018 - Nanostructure antireflection surfaces: An antireflection surface formed using a plurality of nanostructures of a first material on a surface of a second material. The first material is different from the second material. The distribution of spatial periods of the nanostructures is set by a self-assembly operation. The surface of the second material is...