Lens Patents (Class 385/33)
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Patent number: 8942525Abstract: A photoelectric conversion device includes a circuit board, light-emitting modules arranged on the circuit board in a first straight line, light-receiving modules arranged on the circuit board in a second straight line, and an optical coupling module. The optical coupling module includes a first optical surface, a second optical surface perpendicular to the first optical surface, a reflecting surface obliquely relative to the first and second optical surfaces, first converging lenses arranged on the first optical surface in a third straight line, second converging lenses arranged on the first optical surface in a fourth straight line, third converging lenses arranged on the second optical surface in a fifth straight line, and fourth converging lenses arranged on the second optical surface in a sixth straight line. The first to six straight lines are substantially parallel to each other.Type: GrantFiled: August 26, 2013Date of Patent: January 27, 2015Assignee: Hon Hai Precision Industry Co., Ltd.Inventor: Chang-Wei Kuo
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Patent number: 8942521Abstract: Disclosed is a planar waveguide element including a first cylindrical lens disposed based on an z-axis and configured to collimate beams emitted from a plurality of emitters of a laser diode bar; a lens array configured to gather the beam emitted from each emitter via the first cylindrical lens; a plurality of first waveguides existing on an x-y plane by a number of the plurality of emitters and configured to gather at one place via a bending section; a taper configured to connect the lens array and each first waveguide, a width of the taper being narrower from the lens array to the plurality of first waveguide; and a combined waveguide configured to combine the plurality of first waveguides into one.Type: GrantFiled: February 5, 2013Date of Patent: January 27, 2015Assignee: Electronics and Telecommunications Research InstituteInventors: Jung-Ho Song, Hong-Seok Seo, Won Seok Han, Bong Je Park
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Publication number: 20150016776Abstract: An optical communication device includes a connector, a first substrate, a first driving chip, a light emitting element, a second driving chip, a light receiving element, a coupling lens assembly, and an optical waveguide. The first substrate is supported on the connector and electrically connected to the connector. The first substrate includes a bottom surface and a supporting surface facing away from the bottom surface. Both the light emitting element and the light receiving element are received in the first substrate. The first driving chip is supported on the supporting surface, and electrically connected to the first substrate and the light emitting element. The second driving is supported on the supporting surface, and electrically connected to the first substrate and the light receiving element. The coupling lens assembly is detachably connected to the first and second driving chips. The optical waveguide is detachably connected to the coupling lens assembly.Type: ApplicationFiled: October 11, 2013Publication date: January 15, 2015Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: KUO-FONG TSENG
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Publication number: 20150016775Abstract: An apparatus for passive alignment of optical devices comprises a substrate including a trench in a top surface thereof, where the trench has a first end positioned at an edge of the substrate and a second end positioned at an interior region of the substrate, and a lens disposed on the top surface of the substrate adjacent to the second end of the trench. The apparatus further includes a top holder having a longitudinal indentation in a bottom surface thereof for mounting an optical fiber. The longitudinal indentation is sized to fit a top portion of the optical fiber such that a bottom portion of the optical fiber extends below the bottom surface of the top holder when the optical fiber is mounted therein. One or both of the substrate and the top holder include one or more spacer features configured for three-dimensional (3D) alignment of the lens with the optical fiber when the top holder is brought into contact with the substrate.Type: ApplicationFiled: September 13, 2013Publication date: January 15, 2015Inventors: Seng-Tiong Ho, Yingyan Huang
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Patent number: 8931965Abstract: An optical connector includes an insulative housing, an optical module movably retained on the insulative housing, and a spring being assembled between the insulative housing and the optical module along a front to back direction. The optical module has a hemispheric projection at a rear side thereof. The spring has a first end positioned on the insulative housing and a second end ringing on the projection and resisting against a hemispheric surface of the projection. The second end moves on the hemispheric surface of the projection when the spring is compressed to move upwardly or laterally.Type: GrantFiled: July 13, 2011Date of Patent: January 13, 2015Inventors: Jia-Yong He, Qi-Sheng Zheng
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Publication number: 20150010273Abstract: A lens component has a element-side lens portion 65 which is provided so as to face a light emitting and receiving element 52 mounted on a circuit substrate 24, a positioning portion 75 that protrudes such that the element-side lens portion 65 is separated from the circuit substrate 24 by a predetermined distance, and an adhesion portion 76 that forms an adhesive-agent filling space S, which is filled with an adhesive agent 77, between the circuit substrate 24 and the adhesion portion 26, in a state where the positioning portion 75 contacts with the circuit substrate 24 and the element-side lens portion 65 is fixed so as to face the light emitting and receiving element 52.Type: ApplicationFiled: January 22, 2013Publication date: January 8, 2015Applicant: Sumitomo Electric Industries, Ltd.Inventors: Masaki Oyagi, Takayuki Shimazu, Michiko Harumoto, Mitsutaka Satou, Ayaka Mori, Hajime Arao, Atsushi Suzuki, Motoyoshi Kimura
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Patent number: 8926197Abstract: A method for fabricating an optical assembly by placing a flexible portion of a substrate, including a waveguide, upon a horizontally movable stage of a flip-chip bonder. Then moving a clamp through an opening in the stage to bend the flexible portion of the substrate to place the waveguide exposed end in approximately a vertical position and vertically downwardly moving a bond head containing an optical component upon the waveguide exposed substrate edge to position the optical component with the exposed waveguide and mounting the optical component to the substrate edge. Then releasing the optical component from the bond head while moving the clamp downward through the stage opening and unbending the flexible portion of the substrate with the optical component mounted thereon.Type: GrantFiled: November 14, 2012Date of Patent: January 6, 2015Assignee: International Business Machines CorporationInventors: Stefano Sergio Oggioni, Jonas R. Weiss, Bert Jan Offrein
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Patent number: 8929693Abstract: A semiconductor package and a semiconductor device including the same. The semiconductor package includes: a package substrate; a plurality of connection elements that are disposed on the package substrate; and a semiconductor chip that includes at least one optical input/output element that transmits/receives an optical signal to/from the outside at an optical input/output angle with respect to a direction perpendicular to a bottom surface of the package substrate, and is electrically connected to the package substrate through the plurality of connection.Type: GrantFiled: March 7, 2013Date of Patent: January 6, 2015Assignee: Samsung Electronics Co., Ltd.Inventors: Dong-jae Shin, Hyun-il Byun, Kwang-hyun Lee, Kwan-sik Cho, Ho-chul Ji, Jung-hyung Pyo, Kyoung-ho Ha
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Patent number: 8929700Abstract: A four-fiber collimator is coupled to the optics of a single interleaver to produce the functionality of two co-packaged interleavers. Two fibers of the collimator are coupled to the core optics of a single interleaver to produce two pairs of output beams. The other two fibers of the collimators are coupled to receive the reflection output beams. The geometry of the optical fibers in the bundle is controlled to produce interleaver outputs with no offset. In another embodiment two fibers of the four-fiber collimator are coupled as inputs to and the other two fibers as outputs from a Fabry-Perot etalon. The geometry of the fibers and the focal length of the collimator are controlled to produce two outputs with peaks offset by a predetermined amount.Type: GrantFiled: April 18, 2012Date of Patent: January 6, 2015Assignee: Optoplex CorporationInventor: Yung-Chieh Hsieh
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Patent number: 8929694Abstract: In one example, a composite processor includes a circuit board, a first processor element package, and a second processor element package. The circuit board has an optical link and an electrical link. The first processor element package includes a substrate with an integrated circuit, a sub-wavelength grating optical coupler, and an electrical coupler coupled to the electrical link of the circuit board. The second processor element package includes a substrate with an integrated circuit, a sub-wavelength grating optical coupler, and an electrical coupler coupled to the electrical link of the circuit board. The sub-wavelength grating optical coupler of the first processor element package, the optical link of the circuit board, and the sub-wavelength grating optical coupler of the second processor element package collectively define an optical communications path between the substrate of the first processor element package and the substrate of the second processor element package.Type: GrantFiled: January 20, 2011Date of Patent: January 6, 2015Assignee: Hewlett-Packard Development Company, L.P.Inventors: Raymond G Beausoleil, Marco Fiorentino, Moray McLaren, Greg Astfalk, Nathan Lorenzo Binkert, David A. Fattal
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Publication number: 20150003780Abstract: An optical device and a method of manufacturing an optical device. The optical device includes: a conversion means for converting propagation light propagating through an optical waveguide into parallel light and for outputting the parallel light; and a first lens means for focusing the parallel light outputted from the conversion means on a core of an optical fiber. The method includes: converting propagation light propagating through an optical waveguide into parallel light; outputting the parallel light; and focusing, using a first lens, the parallel light on a core of an optical fiber.Type: ApplicationFiled: June 9, 2014Publication date: January 1, 2015Inventor: Yoichi Taira
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Publication number: 20150002839Abstract: An optical coupling lens includes a main portion and two reference portions. The main portion includes a first surface having at least one first converging lens formed thereon, a second surface having at least one second converging lenses formed thereon, and a reflecting surface. The second surface is substantially perpendicular to the first surface. An angle between the reflecting surface and the first surface is about 45 degrees. An optical axis of the first converging lens is substantially perpendicular to the first surface, and an optical axis of the second converging lens is substantially perpendicular to the second surface. Each reference portion includes a reference member. The reference member includes a reference point. A connecting line of the reference points of the reference portions is substantially parallel to the first surface and the second surface, and the connecting line is in a surface substantially coplanar with the reflecting surface.Type: ApplicationFiled: June 25, 2014Publication date: January 1, 2015Inventor: YI HUNG
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Patent number: 8923671Abstract: An optical coupling lens includes an incident surface, a first total reflection surface, a second total reflection surface and an emergent surface orderly connected to each other end to end. The incident surface includes a first lens portion and a second lens portion thereon. The emergent surface includes a third lens portion thereon. The third lens portion is positioned adjacent to the second total reflection surface. The first lens portion converges incident light into a parallel light beam. The first total reflection surface reflects the light beam to an intersection between the second total reflection surface and the emergent surface. The third lens portion directs the portion of the light beam to an optical fiber. The second total reflection surface reflects the other portion of the light beam to the second lens portion. The second lens portion directs the other portion of the light beam to an optical detector.Type: GrantFiled: April 3, 2013Date of Patent: December 30, 2014Assignee: Hon Hai Precision Industry Co., Ltd.Inventor: Yi Hung
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Patent number: 8923670Abstract: A device comprising a molded optical structure (MOS) connected to optical fibers. The device includes optical paths through the MOS. Each optical path comprises a first section and a second section. The first section is adjacent the optical fibers. The device comprises a first lens positioned at a first end of the first section, and a second lens positioned at a second end of the second section. The device comprises a reflector positioned in the optical path. The reflector reflects light in a direction approximately orthogonal to a direction from which the light is received.Type: GrantFiled: November 11, 2010Date of Patent: December 30, 2014Assignee: Samtec, Inc.Inventors: Eric Zbinden, Marc Epitaux
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Publication number: 20140376860Abstract: In order to position lenses and an optical fiber highly accurately while relaxing the assembly accuracy requirements, the present invention provides an optical coupling member having an optical fiber, a holding member that has an insertion hole formed at an end thereof for holding the optical fiber inserted via the insertion hole, and a plurality of ball lenses housed along an optical axis in a housing part formed at an opposite end of the holding member. The ball lenses are arranged in contact with each other and the optical fiber is arranged in contact with the ball lens that faces the optical fiber.Type: ApplicationFiled: October 16, 2012Publication date: December 25, 2014Inventors: Akihito Mitsui, Naohiko Moriya
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Patent number: 8913861Abstract: A beam coupler alignment system for a fiber laser system is disclosed. The system includes a focus adjust collimator assembly having an inner and outer housing assembly portion. The inner assembly includes a coupler housing assembly and a modified lens housing received within and adjustable relative to via a mechanism configured and arranged to apply an asymmetric binding force in a predictable and repeatable manner. A lever assembly contacts the lens housing and exerts an off-center (asymmetric) force relative to coupler housing assembly creating a friction bind eliminating X and Y axis movement yet allowing Z axis movement with minimal effort. The assembly may further include an alignment mechanism configured and arranged to optically align an input collimator unit and an output collimator unit of a complex fiber laser system about a common optical axis using the proposed assembly.Type: GrantFiled: August 16, 2013Date of Patent: December 16, 2014Assignee: IPG Photonics CorporationInventors: Yuri Grapov, Michael Digiantomasso, Bill Jones
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Patent number: 8911432Abstract: An apparatus for medical treatment by means of laser light includes an optical conducting fiber which has a curved light emission end and includes a core, a cladding arranged above the core for conducting laser light coupled into the optical conducting fiber, and capillaries arranged in the cladding, wherein the capillaries run in a longitudinal direction of the optical conducting fiber at a radial distance from a longitudinal axis of the optical conducting fiber and form a capillary ring when viewed in cross-section, wherein the capillaries have cavities which are separated by bridges which have a width which is smaller than a wavelength of the laser light, wherein the laser light emerges from a forward surface of the light emission end and is transmitted in a direction which runs transverse to a substantially straight longitudinal section located directly in front of a curvature which defines the curved light emission end.Type: GrantFiled: October 4, 2012Date of Patent: December 16, 2014Assignee: Adavanced Fiber Tools GmbHInventors: Georg Kuka, Naim Ashraf, Torsten Hähnel
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Patent number: 8911160Abstract: An light emitting device package and a backlight unit using the same are disclosed, wherein light advancing upward from the light emitting device package can be refracted by a lens to enable the light having a uniform intensity to be emitted upwards to the advantage of efficiency and power consumption, even with a small number of light emitting devices.Type: GrantFiled: September 26, 2006Date of Patent: December 16, 2014Assignees: LG Electronics Inc., LG Innotek Co., Ltd.Inventors: Jung Hoon Seo, Jun Ho Jang
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Patent number: 8913858Abstract: A fiber optic interface module and assemblies using same are disclosed, wherein the modules have at least one lens that defines a folded optical path through the module body. The module operably supports one or more optical fibers adjacent an end wall. The module includes one or more lenses formed therein for coupling light from one or more light sources to the corresponding one or more optical fibers. The one or more lenses each have a folded optical path formed by total internal reflection within the module body. The one or more lenses each include a lens surface configured to define a back focus that resides within a corresponding one of the optical fibers.Type: GrantFiled: March 30, 2012Date of Patent: December 16, 2014Assignee: Corning Cable Systems LLCInventors: Mathieu Charbonneau-Lefort, John P. Ertel, Gary R. Trott
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Patent number: 8913859Abstract: A device for interferometric imaging may comprise multiple optical elements arranged in a linear configuration. The device may also comprise multiple waveguide arrays (WGAs) each WGA of the multiple WGAs may include one or more WGs. Some of the WGs of each WGA of the multiple WGAs may be optically coupled to an optical element of the multiple optical elements. Each WG of a first WGA of the multiple WGAs is coupled to a first optical element of the multiple optical elements and is paired with a WG of a second WGA of the multiple WGAs that is coupled to second optical element of the multiple optical elements. The lengths of the paired WGs of the first and second WGAs of the multiple WGAs are not equal.Type: GrantFiled: April 10, 2012Date of Patent: December 16, 2014Assignee: Lockheed Martin CorporationInventors: Alan L. Duncan, Richard Lee Kendrick
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Patent number: 8913856Abstract: A set of interlocking modules supports and connects a die containing lasers, a set of precision molded lenses and a set of beam switching elements. Another embodiment of the invention is a structure for mounting a logic chip and an optical chip on a chip carrier, with the optical chip being mounted on the side of the carrier facing the system board on which the carrier is mounted, so that radiation travels in a straight path from optical sources on the optical chip into optical transmission guides on the board.Type: GrantFiled: June 29, 2004Date of Patent: December 16, 2014Assignee: International Business Machines CorporationInventors: Lawrence Jacobowitz, John U. Knickerbocker, Ronald P. Luijten, Subhash L. Shinde
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Patent number: 8909018Abstract: A lens element includes a main body. The main body includes a number of first lens portions, a number of second lens portions corresponding to the first lens portions, and a deflecting portion upwardly protruding from a surface of the main body. The deflecting portion includes a deflecting surface positioned outside the main body. The deflecting surface deflects optical signals between the first lens portions and the second lens portions.Type: GrantFiled: April 21, 2013Date of Patent: December 9, 2014Assignee: Hon Hai Precision Industry Co., Ltd.Inventor: Chang-Wei Kuo
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Patent number: 8905648Abstract: The expanded beam, fiber optic connector includes an optical fiber, and a ferrule. The optical fiber includes a modified mode field diameter segment. The ferrule includes a recess. The optical fiber is retained by the ferrule. The modified mode field diameter segment is positioned in the recess of the ferrule.Type: GrantFiled: June 29, 2011Date of Patent: December 9, 2014Assignee: Cinch Connectivity Solutions, Inc.Inventor: Wade F. M. Zhang
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Publication number: 20140355638Abstract: An improved high power special filter, system and method. In the system, an optical fiber is disposed inside a ferule channel structure, and the channel structure is aligned with a focusing lens system. The end of the fiber is at a distance D from the channel opening that faces the focusing lens system, and D is determined by the system's numeric aperture factor and the cladding thickness of the optical fiber.Type: ApplicationFiled: May 29, 2013Publication date: December 4, 2014Applicant: IPG Photonics CorporationInventors: Igor Berishev, Vadim Chuyanov, Alexey Komissarov, Nikolai Strougov
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Publication number: 20140355934Abstract: An optics system for use with a parallel optical communications module is provided that includes a support structure for supporting the ends of the optical fibers in a way that ensures that the ends of the optical fibers are maintained in precise optical alignment with respective optical coupling elements of the optics system. The support structure makes it virtually impossible for there to be any misalignment between the ends of the optical fibers and the respective optical coupling elements of the optics system to prevent misalignment problems from occurring. In addition, the optics system is configured in such a way that the likelihood that the ends of the optical fibers will be damaged as they are inserted into the optics system is very small.Type: ApplicationFiled: May 29, 2013Publication date: December 4, 2014Inventors: Bing Shao, Ye Chen, Chi Keung Lee, Andrew J. Schmit
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Patent number: 8899843Abstract: An optical fiber coupler includes a main body and a cover detachably coupled with the main body. The main body includes a coupling member, at least two lenses, at least two optical fibers and a connecting post. The lenses and the optical fibers are mounted on the coupling member. The optical fibers couples with corresponding lenses. The lenses protrudes from the coupling member. The connecting post protrudes from the main body adjacent to the lenses. The cover defines a fixing hole and a covering groove corresponding to the lenses. The fixing hole engages with the connecting post, for positioning the coupling member to the cover. The cover covering the lenses via allowing the at least two lenses to be received in the covering groove.Type: GrantFiled: August 23, 2012Date of Patent: December 2, 2014Assignee: Hon Hai Precision Industry Co., Ltd.Inventor: I-Thun Lin
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Patent number: 8902947Abstract: An optical module providing higher reliability during high-speed light modulation and a lower bit error rate when built into a transmitter (transceiver). An optical module contains a taper mirror for surface emission of output light, an optical modulator device, and an optical modulation drive circuit, and the optical modulator device and the optical modulation drive circuit are mounted at positions so as to enclose the taper mirror.Type: GrantFiled: January 9, 2012Date of Patent: December 2, 2014Assignee: Hitachi, Ltd.Inventors: Shigeki Makino, Yasunobu Matsuoka, Kenji Kogo, Toshiki Sugawara, Tatemi Ido
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Patent number: 8897611Abstract: An optical fiber interface includes an optical fiber connector including a receptacle and an axis of propagation along which light traverses through the optical fiber connector. The receptacle includes a first member pivotably attached to the receptacle. The first member includes a first aperture. The first member has a blocking position relative to the receptacle in which the first aperture is not aligned with the axis of propagation, such that light traversing along the axis of propagation does not pass through the first aperture. The first member has a transmitting position relative to the receptacle in which the first aperture is aligned with the axis of propagation such that light traveling along the axis of propagation passes through the first aperture.Type: GrantFiled: September 6, 2012Date of Patent: November 25, 2014Assignee: Corning IncorporatedInventor: Michael Lucien Genier
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Publication number: 20140340928Abstract: A light pipe bracket (6) for an electronic device is provided that comprises a planar main body, light pipes (13) each having a proximal end and a distal end in which the light pipe extends from the distal end at the planar main body toward the distal end, and circuit board holding means (7) that support at least a portion of a circuit in the electronic device.Type: ApplicationFiled: June 14, 2012Publication date: November 20, 2014Applicant: Thomson LicensingInventors: Christopher Michael William Proctor, Joseph Lee Carpenter
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Publication number: 20140341507Abstract: An optical-electric coupling element includes a lower surface, an upper surface, and a first side surface. The lower surface defines a first cavity. The first cavity includes a bottom portion forming a first photic zone and a second photic zone. The first photic zone includes first coupling lenses. The second photic zone includes second coupling lenses. The upper surface defines a second cavity. The second cavity includes a sloped surface. The first side surface defines a receiving cavity. The receiving cavity includes a vertical surface forming a third photic zone and a fourth photic zone. The third photic zone includes third coupling lenses. The fourth photic zone includes fourth coupling lenses. Each third coupling lens corresponds with a respective one of the first coupling lenses. Each fourth coupling lens corresponds with a respective one of the second coupling lenses.Type: ApplicationFiled: August 21, 2013Publication date: November 20, 2014Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: I-THUN LIN
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Publication number: 20140341508Abstract: A lens module includes a front lens unit and a bottom lens unit. The front lens unit includes a number of first lenses having parallel optical axes. The bottom lens unit is detachably connected to the front lens unit. The bottom lens unit includes a number of second lenses having parallel optical axes.Type: ApplicationFiled: September 17, 2013Publication date: November 20, 2014Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: I-THUN LIN
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Patent number: 8891919Abstract: An optical device includes first and second optical waveguides that each include a core and a cladding, and a connector that optically couples the first optical waveguide and the second optical waveguide with a lens interposed therebetween, wherein, in at least one of the first and the second optical waveguides, a difference in refractive index between the core and the cladding in a first direction differs from a difference in refractive index between the core and the cladding in a second direction that is different from the first direction, and wherein, in at least one of the first and the second optical waveguide, a first point of emergence of first rays that are output at angles in the first direction and a second point of emergence of second rays that are output at angles in the second direction are offset from each other along an optical axis.Type: GrantFiled: April 23, 2012Date of Patent: November 18, 2014Assignee: Fujitsu LimitedInventor: Takashi Shiraishi
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Patent number: 8885992Abstract: At the time of assembly of an optical transmission/reception module, a test variable wavelength light source 22 for outputting a test light signal is connected to a connector 8 of an optical fiber 7, and a large-diameter PD 23 measures a transmission loss in a light wavelength band limiting filter 12 while a rotational position determining unit 24 rotates a fiber ferrule 5, so that the rotational position determining unit 24 determines the rotational position ?loss-min of the fiber ferrule 5 which minimizes the transmission loss in the light wavelength band limiting filter 12, and aligns the fiber ferrule 5 at the rotational position ?loss-min.Type: GrantFiled: July 9, 2009Date of Patent: November 11, 2014Assignee: Mitsubishi Electric CorporationInventors: Tamon Omura, Nobuo Ohata, Masatoshi Katayama
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Patent number: 8882368Abstract: It is expected to provide an optical communication module that can avoid the reduction in the performance of light communication when an edge emitting type photoelectric device is mounted. The optical communication module is configured to include: a basement where a convex first and second lenses are integrally formed on the upper and lower surfaces, respectively; and a laser diode aligned with the first lens on the upper surface to emit light in the direction toward the first lens. It is configured that the first lens refracts the light emitted from the laser diode to become substantially parallel to the upper surface of the basement and the refracted light is reflected toward the direction of second lens.Type: GrantFiled: April 23, 2010Date of Patent: November 11, 2014Assignees: Autonetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.Inventor: Shigeo Hayashi
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Patent number: 8885988Abstract: According to one embodiment, an optical module includes a light emitting device, a driver IC, a first lead, a ground lead, a second lead, an input lead, and a power supply voltage lead. A second electrode of the light emitting device is supplied with a voltage on a ground side from a second pad through the first lead. A first electrode is supplied with a voltage on a power supply side from the power supply voltage lead or from a first pad through the second lead.Type: GrantFiled: February 10, 2011Date of Patent: November 11, 2014Assignee: Kabushiki Kaisha ToshibaInventors: Seigo Onobuchi, Kosuke Sumi
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Patent number: 8885995Abstract: A light-guide solar concentrator that requires less precision to assemble and manufacture than some other two-layer solar concentrators has a light-condensing layer and an optical waveguide layer. The light-condensing layer includes a plurality of focusing elements for focusing incident sunlight and a plurality of corresponding collimating elements for collimating the light for output to the optical waveguide layer. The optical waveguide layer receives the collimated light and has a plurality of deflectors for redirecting the light for lateral transmission through the optical waveguide layer toward an exit surface. A secondary optic optically coupled to the exit surface can also be provided to redirect the light toward a light collection area where a solar energy collector can be placed to harvest the concentrated sunlight.Type: GrantFiled: February 6, 2012Date of Patent: November 11, 2014Assignee: Morgan Solar Inc.Inventor: John Paul Morgan
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Publication number: 20140328558Abstract: An optical receptacle disposed between a photoelectric conversion device and an optical fiber includes a light separating section for separating incident light into monitor light and fiber coupled light, which section includes a segmented reflective surface and a segmented transmitting surface. The reflective surface for reflecting light as monitor light is disposed in a segmented manner with spaces in a segmentation direction. The transmitting surface is disposed in a segmented manner in areas where the reflective surface is not disposed, so as to transmit a portion of light other than the reflected light in a direction directly oppose to the direction of the reflected light and to advance the other portion of light towards the side of an end face of the optical fiber.Type: ApplicationFiled: November 12, 2012Publication date: November 6, 2014Applicant: ENPLAS CORPORATIONInventors: Shimpei Morioka, Tadanobu Niimi, Shinya Kanke, Masahiro Tanazawa
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Patent number: 8873057Abstract: A probe having a probe head in which is formed an opening for receiving a sample to be analyzed, the head comprising a pair of optical interfaces disposed at an opposing inner surface of the opening to delimit a path for optical radiation through the opening, wherein one of the pair of optical interfaces comprises a transparent element adapted to permit optical radiation in one or more wavelength regions of interest to travel between the probe head and the opening, the optical probe comprising a movable diaphragm in which one of the pair of optical interfaces is located for movement therewith and an actuator operably connected to the diaphragm to control its movement so as to vary the path length wherein the probe head comprises a hinge system cooperable with the actuator to move the optical interface in the movable diaphragm in an arc to vary the path length.Type: GrantFiled: December 10, 2009Date of Patent: October 28, 2014Assignee: Foss Analytical A/SInventor: Christian Born
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Patent number: 8870472Abstract: A computer program product for fabricating an optical assembly, having a computer readable storage medium having computer readable program code embodied therewith, the computer readable program code includes a first computer readable program code configured to horizontally position a flexible portion of a substrate including a waveguide, the waveguide exposed at one end edge of the substrate; a second computer readable program code configured to bend the flexible portion of the substrate to place the waveguide exposed end in approximately a vertical position; a third computer readable program code configured to vertically position a flip-chip bonder bond head containing an optical component upon the waveguide exposed substrate edge to optically mate the optical component with the exposed waveguide; and a fourth computer readable program code configured to fixably mount the optical component to the substrate edge.Type: GrantFiled: November 14, 2012Date of Patent: October 28, 2014Assignee: International Business Machines CorporationInventors: Stefano Sergio Oggioni, Jonas R. Weiss, Bert Jan Offrein
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Patent number: 8873909Abstract: Micro-optic filtering devices and the method of making the same are described. In one aspect, the invention is related to techniques of obtaining low-loss coupling optics, packaging structure and process to secure components constituting a micro-optic fiber device. To support and fix various components in a fiber optic device, tubes are used to facilitate the manufacturability of these optical devices. These tubes may be metal tubes or glass tubes.Type: GrantFiled: April 23, 2012Date of Patent: October 28, 2014Assignee: Alliance Fiber Optic Products, Inc.Inventors: Daoyi Wang, Shiping Zhang, Yao Li
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Patent number: 8873908Abstract: Method and apparatus for forming an optical-fiber-array assembly, which include providing a plurality of optical fibers including a first optical fiber and a second optical fiber, providing a fiber-array plate that includes a first surface and a second surface, connecting the plurality of optical fibers to the first surface of the fiber-array plate, transmitting a plurality of optical signals through the optical fibers into the fiber-array plate at the first surface of the fiber-array plate, and emitting from the second surface of the fiber-array plate a composite output beam having light from the plurality of optical signals. Optionally, the first surface of the fiber-array plate includes indicia configured to assist in the alignment of the plurality of optical fibers on the first surface of the fiber-array plate. In some embodiments, the second surface of the fiber-array plate includes a plurality of beam-shaping optics configured to shape the composite output beam.Type: GrantFiled: August 6, 2013Date of Patent: October 28, 2014Assignee: Lockheed Martin CorporationInventors: Yongdan Hu, Charles A. Lemaire
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Patent number: 8873907Abstract: An optical-electric converting element includes a lower surface and a side surface. The lower surface defines a cavity. A bottom portion of the cavity forms at least one first light-gathering coupling lens and at least one first light-emitting coupling lens. A diameter of the at least one first light-receiving coupling lens is equal to d1, and a diameter of the at least one first light-emitting coupling lenses is equal to d2. The side surface perpendicularly connects to the lower surface. The side surface forms at least one second light-receiving coupling lens and at least one second light-emitting coupling lens. A diameter of the at least one second light-emitting coupling lens is equal to d3, a diameter of the at least one second light-receiving coupling lens is equal to d4; wherein d1>d3 and d4>d2.Type: GrantFiled: January 14, 2013Date of Patent: October 28, 2014Assignee: Hon Hai Precision Industry Co., Ltd.Inventor: Chang-Wei Kuo
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Publication number: 20140314374Abstract: Grating couplers that enable efficient coupling between waveguides and optical fibers are disclosed. In one aspect, a grating coupler includes a transition region that includes a wide edge and tapers away from the edge toward a waveguide disposed on a substrate. The coupler also includes a sub-wavelength grating disposed on the substrate adjacent to the edge. The grating is composed of a series of non-uniformly distributed, approximately parallel lines and separated by grooves with a depth to output light from the grating with TM polarization.Type: ApplicationFiled: October 21, 2011Publication date: October 23, 2014Inventors: David A. Fattal, Marco Fiorentino, Zhen Peng
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Publication number: 20140308002Abstract: Optical couplings for making and optical connection between one or more devices are disclosed. In one embodiment, an optical coupling includes a coupling face, an optical interface within the coupling face, an optical component positioned within the optical interface, and at least one coded magnetic array. The at least one coded magnetic array may include a plurality of magnetic regions configured aid in mating the optical component with a corresponding optical component of a complementary mated optical coupling to a predetermined tolerance for optical communication. Optical cable assemblies and electronics devices having optical couplings with optical interfaces using coded magnetic arrays are also disclosed.Type: ApplicationFiled: June 26, 2014Publication date: October 16, 2014Inventors: Seldon David Benjamin, Jeffery Alan DeMeritt, Micah Colen Isenhour, Dennis Michael Knecht, James Philip Luther
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Publication number: 20140308001Abstract: The present invention discloses an optical fibre (20) for coupling to an optical source (18) which includes a core (22) and a tip portion (36). The core (22) is for receiving light directed from the optical source along an optical axis; wherein the core is expanded near one end of the optical fibre, and the expanded core (24) having a diameter larger than other portions of the core that are not expanded. The tip portion (36) is on the end of the optical fibre, wherein the tip portion further includes an endmost face (26), the endmost face being non-perpendicular to the optical axis. A coupling system including such an optical fibre and a method of fabricating a coupling device for the optical fibre are also disclosed. The optical fibre as provided by the present invention not only enables high coupling efficiency with different laser mode sizes, but also reduces the back reflected laser from the optical fibre which may otherwise damage the laser semiconductor chip.Type: ApplicationFiled: July 24, 2012Publication date: October 16, 2014Applicant: OCLARO TECHNOLOGY LIMITEDInventors: Yeqi Lao, Xiefu Lei, Adrian Perrin Janssen, Nadhum Kadhum Zayer
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Publication number: 20140308000Abstract: An optical connector includes a circuit board. The circuit board includes a substrate and a circuit unit. A photoelectric element and a driver chip are located on the substrate. The photoelectric element includes a conductive pin and a metallic layer. The conductive pin is formed on a surface of the photoelectric element away from the circuit board, and the metallic layer is formed on another surface of the photoelectric element facing the circuit board. The conductive pin and the metallic layer serve as terminals of the photoelectric element. The driver chip is electrically connected to the photoelectric element by the circuit unit.Type: ApplicationFiled: October 10, 2013Publication date: October 16, 2014Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: KUO-FONG TSENG
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Publication number: 20140308003Abstract: Ferrule assemblies having at least one coded magnetic array are disclosed. In one embodiment, a ferrule assembly includes a ferrule body having a coupling surface and a coded magnetic array having a plurality of magnetic regions. The coded magnetic array may be located within the coupling surface. The ferrule assembly further includes a lens component located within the ferrule body. The lens component may have a facet at the coupling surface of the ferrule body at a predetermined angle. In another embodiment, a translating ferrule assembly includes an optical interface and a coded magnetic array, and is configured to translate within a connector housing of an optical connector when coupled to an electronics device. Optical couplings having a coded magnetic array and sockets for receiving a connector are also disclosed.Type: ApplicationFiled: June 26, 2014Publication date: October 16, 2014Inventors: Seldon David Benjamin, Jeffery Alan DeMeritt, Micah Colen Isenhour, Dennis Michael Knecht, James Phillip Luther
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Patent number: 8858093Abstract: An optical connector includes a jumper, optical fibers and an optical-electric coupling element. The jumper includes a first side surface and a second side surface. A locating flange extends from the first side surface. The locating flange includes a first vertical surface. The jumper defines receiving holes through the first and second side surfaces and the first vertical surface. Each of the optical fibers is received in a respective receiving hole. The optical-electric coupling element includes a third side surface defining a locating cavity. The locating cavity includes a second vertical surface forming coupling lenses. The locating cavity also includes a lower sidewall and an upper sidewall defining an opening. The second vertical surface is substantially perpendicular to the upper sidewall. The locating flange is inserted into the locating cavity, with each coupling lenses aligned with a respective optical fiber.Type: GrantFiled: January 18, 2013Date of Patent: October 14, 2014Assignee: Hon Hai Precision Industry Co., Ltd.Inventor: Chang-Wei Kuo
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Patent number: 8861900Abstract: Probes optical assemblies and probes for optical coherence tomography (OCT) applications are disclosed. The probe assembly includes an optical fiber, a stub lens and a light-deflecting member arranged in a cooperative optical relationship to define an optical path between the optical fiber end and an image plane that is folded by the light-deflecting member. The optical probe includes a transparent jacket that contains the optical probe assembly.Type: GrantFiled: February 23, 2012Date of Patent: October 14, 2014Assignee: Corning IncorporatedInventors: Venkata Adiseshaiah Bhagavatula, John Himmelreich
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Patent number: 8861907Abstract: In one embodiment, an apparatus may include an optical fiber that may have a surface non-normal to a longitudinal axis of a distal end portion of the optical fiber. The surface may define a portion of an interface configured to redirect electromagnetic radiation propagated from within the optical fiber and incident on the interface to a direction offset from the longitudinal axis. The apparatus may also include a doped silica cap that may be fused to the optical fiber such that the surface of the optical fiber may be disposed within a cavity defined by the doped silica cap.Type: GrantFiled: December 18, 2012Date of Patent: October 14, 2014Assignee: Boston Scientific Scimed, Inc.Inventors: Jeffrey W. Zerfas, Richard P. Tumminelli