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| Number | Title | Issue Date |
| 7873248 | Ferrule for optical connector A ferrule includes a recess formed on an obliquely polished surface to house a protrusion formed on an obliquely polished surface of another ferrule, so as to avoid an angular change at an interface between end surfaces of the pair of obliquely polished end surfaces... | 01/18/2011 |
| 7831120 | Filter device and manufacturing method thereof A filter device is provided, including a first and second conductor tube and an outside tube. The first light conductor tube includes a first end for light input, a second end including a first slanted assembled end surface coated with a filter, a first tube, and a ... | 11/09/2010 |
| 7756371 | Optical fiber interconnection devices and systems using same Optical fiber interconnection devices, which can take the form of a module, are disclosed that include an array of optical fibers and multi-fiber optical-fiber connectors, for example, a twenty-four-port connector or multiples thereof, and three eight-port connector... | 07/13/2010 |
| 7756370 | Method of producing a ferrule with an optical fiber In a state in which a front end of a single-core fiber is passed through an end surface portion of a reinforcing pipe, an inner surface of the reinforcing pipe and an outer peripheral surface of the single-core fiber are glued together by means of adhesive. By using... | 07/13/2010 |
| 7689079 | Optical fiber interconnection devices and systems using same Optical fiber interconnection devices, which can take the form of a module, are disclosed that include an array of optical fibers and multi-fiber optical-fiber connectors, for example, two twelve-port connectors or multiples thereof, and three eight-port connectors ... | 03/30/2010 |
| 7444045 | Hybrid sphere-waveguide resonators Microresonators, such as a microsphere resonators and planar microresonators, are optically coupled to waveguides for input and output of light. It is important that the relative positions of the microresonator and the waveguide are maintained stable, while still ma... | 10/28/2008 |
| 7440652 | Wavelength division multiplexed coupler A WDM coupler includes a first collimator including a single fiber pigtail, a first GRIN lens and a first glass holding tube; a second collimator including a dual fiber pigtail, a second GRIN lens and a second glass holding tube; an optical filter arranged on an end... | 10/21/2008 |
| 7359589 | Coupling electromagnetic wave through microcircuit A device includes a waveguide layer formed on a substrate. An ultra-small resonant structure emits electromagnetic radiation (EMR) in the waveguide layer. One or more circuits are formed on the waveguide layer and each operatively connected thereto to receive the EM... | 04/15/2008 |
| 7359583 | Fiber optic pair with pigtail geometry Optical devices are disclosed, one example of which includes first and second polarization maintaining (“PM”) fibers. The first and second PM fibers in this example are disposed beside each other to form a grouping that includes a secondary axis defined by the f... | 04/15/2008 |
| 7350982 | Sub-mount for mounting optical component and light transmission and reception module A sub-mount includes a recess for holding a polymer optical waveguide film and recesses for embedding and holding a light emitting element and a light detecting element. The sub-mount further has an adhesive filling groove formed adjacent to respective recesses. Whe... | 04/01/2008 |
| 7349603 | Optical arrangement with two optical inputs/outputs and production methods Optical arrangement comprising two parallel plates each with a through-hole forming an optical input/output with a given optical axis and one at least partly optical component placed between the plates, the component and the first plate comprising first fastening st... | 03/25/2008 |
| 7343069 | Optical element and system using the same An optical element may include a first diffractive structure having a radially symmetric amplitude function and a second diffractive structure having a phase function. The second diffractive structure may serve as a vortex lens. A system employing the optical elemen... | 03/11/2008 |
| 7343070 | Optical splitter with tapered multimode interference waveguide A 1×2 splitter design having low loss is described. The splitter has a non-adiabatic tapered waveguide (22) connected between a substantially single-mode input waveguide (20) and two output waveguides (24, 26). The non-adiabatic tapered wavegui... | 03/11/2008 |
| 7336872 | Localized annealing of UV induced index grating in optical waveguides A method for producing a Bragg grating in an optical waveguide device such as an optical fiber. The optical fiber is exposed to a UV source through a phase mask and this produces a Bragg grating on the fiber. The grating on the fiber is overexposed such that the gra... | 02/26/2008 |
| 7333708 | Multi-port optical connection terminal A multi-port optical connection terminal for use as a branch point in a fiber optic communications network at a distance from a mid-span access location provided on a distribution cable having a plurality of optical fibers. The multi-port terminal includes a base an... | 02/19/2008 |
| 7295730 | Glass package for optical device A glass optical filter is described that optically connects two optical fibers and may filter a single or group of channels from a WDM signal that is being communicated between the optical fibers. The glass optical filter may be comprised of two pigtail tubes having... | 11/13/2007 |
| 7283860 | Communication systems for use with magnetic resonance imaging systems An injector system for injection of a fluid medium into a patient within an electromagnetic isolation area. The injector system includes a powered injector, a system controller therefor, and a plurality of communication units. The powered injector is positioned with... | 10/16/2007 |
| 7266267 | Microfluidic, optical, and electrical input output interconnects, methods of fabrication thereof, and methods of use thereof Input/output (I/O) interconnects, fluidic I/O interconnects, electrical, optical, and fluidic I/O interconnects, devices incorporating the I/O interconnects, systems incorporating the I/O interconnects, and methods of fabricating the I/O interconnects, devices, and ... | 09/04/2007 |
| 7249847 | Eyeglass manufacturing method using variable index layer An eyeglass lens and manufacturing method using epoxy aberrator includes two lenses with a variable index material, such as epoxy, sandwiched in between. The epoxy is then cured to different indexes of refraction that provide precise corrections for the patient's wa... | 07/31/2007 |
| 7236708 | Optical communication system with optical output level control function An optical communication system can increase a minimum optical reception level or the number of connectable optical receivers by controlling optical output levels of its optical transmitter. The optical communication system includes the optical transmitter having an... | 06/26/2007 |
| 7236665 | Optical module and method for fabricating the same An optical module is provided in which recesses are formed in a sol-gel layer applied to a surface of a lens array substrate, each of the recesses having a capability to fit an optical fiber therein. The optical module comprises a planar microlens array substrate ha... | 06/26/2007 |
| 7226966 | Structures incorporating polymer-inorganic particle blends Polymer-inorganic particle blends are incorporated into structures generally involving interfaces with additional materials that can be used advantageously for forming desirable devices. In some embodiments, the structures are optical structures, and the interfaces ... | 06/05/2007 |
| 7215853 | Optical module formed on common substrate for branching an optical signal A collimator 111 for an input light, a collimator 112 for an output light, a collimator 113 for a branched light, a collimator 114 for an inserted light and a wavelength selecting filter 115 are provided on a common substrate 13... | 05/08/2007 |
| 7212709 | Optical waveguide device and optical waveguide module An object of the present invention is to provide an optical waveguide device and an optical waveguide module having the function to multiplex/demultiplex or couple/decouple optical signals and particularly to provide an optical waveguide device and an optical wavegu... | 05/01/2007 |
| 7212711 | Fiber optic transceiver module and electronic equipment A fiber optic module is provided that effectively reduces a returned light and is manufactured by a low time and cost consuming process and electronic equipment. The fiber optic transceiver module includes a block that includes an optical waveguide and a guide that ... | 05/01/2007 |
| 7203387 | VLSI-photonic heterogeneous integration by wafer bonding A new method to form a VLSI-photonic heterogeneous system device is achieved. The method comprises providing an optical substrate comprising at least one passive optical component formed therein. An electronic substrate is provided comprising at least one active ele... | 04/10/2007 |
| 7200294 | Light-transmitting module capable of heating the light-emitting module and the substrate included therein The present invention provides a light-transmitting module capable of emitting light in stable under a predetermined temperature, especially the light-transmitting module applicable to a condition when the predetermined temperature is lower than ambient temperatures... | 04/03/2007 |
| 7194167 | Method and apparatus for a fiber optic housing and aligning device The present invention discloses an apparatus and method for a fiber optic housing and aligning device. In one embodiment, a fiber optic housing and aligning device is provided. The device includes a housing having an opening in a wall thereof, the wall having a curv... | 03/20/2007 |
| 7194162 | Filter response optimization for an arrayed waveguide grating device by adjusting grating optical path length at nanometer scale A method of optimizing a filter response of an arrayed waveguide grating is disclosed. The method includes the step of measuring a respective phase error of a plurality of waveguide cores of the arrayed waveguide grating. Once the phase error is measured, a respecti... | 03/20/2007 |
| 7190863 | Light-pipe arrangement with reduced fresnel-reflection losses A solid light pipe arrangement with reduced Fresnel-reflection losses includes a light pipe with a solid core comprising a polymer. An optically clear substrate has first and second sides with an anti-reflective coating on at least one side. The substrate is adhered... | 03/13/2007 |
| 7190865 | Hermaphroditic u-guide alignment structures and method thereof The invention comprises a method of connecting an integrated optical waveguide circuit component to an optical fiber array. The invention includes the steps of: providing an integrated optical waveguide circuit component having an array of N wave guide ports for opt... | 03/13/2007 |
| 7178235 | Method of manufacturing an optoelectronic package A method for providing an encapsulated optoelectronic chip is provided. The optoelectronic chip is secured on a substrate. A translucent coating substance is then applied on said optoelectronic chip and the translucent coating substance is then polished away to enab... | 02/20/2007 |
| 7174062 | Optical device and method of manufacturing same An optical device comprising a first substrate in which V-grooves are made, four optical fibers, for example, having a reflective function and fixed in the V-grooves of the first substrate, an optical element bonded, through an adhesive layer, onto the optical path ... | 02/06/2007 |
| 7151867 | Optical coupler having protective sheath An optical coupler (1) comprises two optical fibers (2, 3). Each of the optical fibers connects a sender unit (4) to a first end (9, 10). Then each of these fibers is connected independently to two independent receivers (6, 8). At ... | 12/19/2006 |
| 7120347 | Multi-port optical connection terminal A multi-port optical connection terminal for use as a branch point in a fiber optic communications network at a distance from a mid-span access location provided on a distribution cable having a plurality of optical fibers. The multi-port terminal includes a base an... | 10/10/2006 |
| 7111992 | Connection structure between optical element and optical fiber, connection method thereof, and optical module The invention provides a connection structure between an optical element and an optical fiber, which makes it possible to inexpensively secure optical transmission between the optical element and the optical fiber. A connection structure of an optical element and an... | 09/26/2006 |
| 7092603 | Optical bridge for chip-to-board interconnection and methods of fabrication The present invention provides an optical bridge for interconnecting optical networking components and methods of making optical bridges that include a waveguide that are compatible with semiconductor processing steps. The optical bridge of the present invention has... | 08/15/2006 |
| 7076131 | Precision two dimensional optical array A precise array of collimated light beams may be obtained by employing a chuck to tightly hold as an array a group of precision collimators attached to individual optical fibers. Advantageously, such arrays of collimators may be manufactured to very high tolerances ... | 07/11/2006 |
| 7065277 | Optical alignment of optical waveguides The optical waveguide device comprises two optical waveguides and an optical coupler extending between the adjacent ends of the waveguides. The optical coupler comprises material that includes a waveguide region. The waveguide region has a shape defined by overlappi... | 06/20/2006 |
| 7065276 | Integrated optical filters utilizing resonators A filtering method and optical filter structure are presented. The structure comprises an input waveguide, an output waveguide, and a filter stage formed by at least one closed loop resonator optically coupled to the input and output waveguides. A level of the coupl... | 06/20/2006 |
