Input/output Coupler Patents (Class 385/31)
  • Patent number: 11520236
    Abstract: The present disclosure relates to systems and methods relating to the fabrication of light guide elements. An example system includes an optical component configured to direct light emitted by a light source to illuminate a photoresist material at one or more desired angles so as to expose an angled structure in the photoresist material. The photoresist material overlays at least a portion of a first surface of a substrate. The optical component includes a container containing a light-coupling material that is selected based in part on the one or more desired angles. The system also includes a reflective surface arranged to reflect at least a first portion of the emitted light to illuminate the photoresist material at the one or more desired angles.
    Type: Grant
    Filed: September 14, 2021
    Date of Patent: December 6, 2022
    Assignee: Waymo LLC
    Inventors: James Dunphy, David Hutchison
  • Patent number: 11520096
    Abstract: A light source with a linear appearance is provided. The light source has a flexible light guide that has a homogeneous light emission with high luminance and a emitting light guide. The light emitting guide has a core, in which at least one soul extends, and a transparent cladding that surrounds the core. The core and the cladding are formed from transparent plastic. The core has a higher index of refraction than the cladding. The soul is light-deflecting, light-reflecting, or light-scattering so as to scatter light guided in the light guide and to emit the light through the cladding toward the outside. The soul has a scattering length that is at most twice as large as a maximum cross-sectional dimension of the soul.
    Type: Grant
    Filed: September 4, 2020
    Date of Patent: December 6, 2022
    Assignee: SCHOTT AG
    Inventors: Markus Kappel, Bernd Hoppe, Hubertus Russert, Lothar Willmes
  • Patent number: 11484189
    Abstract: A cart or man-portable system and method for performing endoscopic procedures is provided. A portable display device, such as a laptop computer, is coupled to a handle comprising a miniature camera and fiber optic illumination subsystem. A sterile disposable portion is fitted over the illumination subsystem and inserted into a target area on a patient. Images of the target area are conveyed from the camera to the display device while an endoscopic procedure is performed, thus facilitating real-time diagnosis during the procedure.
    Type: Grant
    Filed: August 30, 2007
    Date of Patent: November 1, 2022
    Assignee: VisionScope Technologies LLC
    Inventors: Thomas J. Gill, James E. McDonald
  • Patent number: 11480744
    Abstract: In one embodiment, the optoelectronic component comprises a first emission zone, which emits electromagnetic radiation during operation. Furthermore, the component comprises an optical waveguide with an entrance side facing the first emission zone, a distribution element and with output coupling structures on a side of the distribution element facing away from the first emission zone. The optical waveguide is a simply connected solid body. In a top view of the side of the optical waveguide facing away from the first emission zone, the distribution element completely covers the first emission zone. The output coupling structures are individual, spaced-apart elevations, each of which extends away from the distribution element and comprises an output coupling surface at an end facing away from the distribution element. A structure that is nontransmissive to the radiation of the first emission zone is arranged on the optical waveguide in the region between the output coupling structures.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: October 25, 2022
    Assignee: OSRAM OLED GmbH
    Inventors: Luca Haiberger, Daniel Richter
  • Patent number: 11453474
    Abstract: One piece, multifunctional window assemblies for use in vehicles, equipment, or structures and methods for making them is provided. The disclosed window assembly can include a protection panel and a structural panel each formed of a plurality of nanolaminated layers. The nanolaminated window assembly is self-supporting and does not need a frame. For particular applications, such as in an aircraft, the one piece, multifunctional, nanolaminated window can be directly attached to the fuselage to provide load bearing capability, a larger window area, impact protection, ice buildup prevention, and/or electromagnetic effect protection.
    Type: Grant
    Filed: May 2, 2019
    Date of Patent: September 27, 2022
    Inventors: Jiangtian Cheng, Paul S. Nordman
  • Patent number: 11456394
    Abstract: A photovoltaic (“PV”) module may comprise an array of freeform micro-optics and an array of PV cells. The PV module may be a flat panel with a nominal thickness smaller than the length and width of the flat panel. An array of lenses may be embedded in an array substrate. The lenses may be coupled to light pipes. The lenses may concentrate light through the light pipes to multi-junction cells. Diffuse light may be transferred through the array substrate to a silicon cell. The lenses and light pipes may be manufactured using a molding and drawing process.
    Type: Grant
    Filed: June 7, 2021
    Date of Patent: September 27, 2022
    Inventors: Stanley K. Pau, Linan Jiang, Richard J. Koshel
  • Patent number: 11426595
    Abstract: An adapter to add optical stimulation to a stimulation system includes an adapter body and a connector disposed on the distal end of the adapter body. The connector includes a connector body defining a port and a connector lumen; connector contacts disposed in the connector body and arranged along the connector lumen; and a light source disposed in the connector body. The adapter also includes terminals disposed along the proximal end of the adapter body and conductors extending along the adapter body and electrically coupling the connector contacts and the light source to the terminals. The adapter may be used with an optical stylet that fits into a stimulation lead which is, in turn, coupled to the connector of the adapter. Alternatively, the adapter can include a fiber optic coupled to the light source and configured to extend into the stimulation lead.
    Type: Grant
    Filed: November 8, 2019
    Date of Patent: August 30, 2022
    Assignee: Boston Scientific Neuromodulation Corporation
    Inventors: Jacob B. Leven, Michael X. Govea, Matthew Lee McDonald
  • Patent number: 11417698
    Abstract: A semiconductor package includes electric integrated circuit dies, photoelectric integrated circuit dies, and an inter-chip waveguide. The electric integrated circuit dies are laterally encapsulated by a first insulating encapsulant. The photoelectric integrated circuit dies are laterally encapsulated by a second insulating encapsulant. Each one of photoelectric integrated circuit dies includes an optical input/output terminal. The inter-chip waveguide is disposed over the second insulating encapsulant, wherein the photoelectric integrated circuit dies are optically communicated with each other through the inter-chip waveguide.
    Type: Grant
    Filed: June 8, 2020
    Date of Patent: August 16, 2022
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chia-Lun Chang, Ching-Hua Hsieh, Chung-Hao Tsai, Chung-Shi Liu, Chuei-Tang Wang, Hsiu-Jen Lin
  • Patent number: 11409238
    Abstract: The apertures typically used for hologram recording create unwanted secondary holograms by diffracting light. Aperture-free hologram recording eliminates these unwanted secondary holograms. Aperture-free hologram recording includes applying a mask to the holographic recording medium. The mask controls the size of the recorded hologram like an aperture but does not create unwanted secondary holograms. Hologram fringes are only present in the desired recording area and a thin boundary region. The mask may be present during recording, or the mask may be used to pre-bleach the holographic recording medium. Pre-bleaching the holographic recording medium renders a portion of the holographic recording medium insensitive to light, the hologram is recorded in the light-sensitive portions of the holographic recording medium.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: August 9, 2022
    Assignee: Google LLC
    Inventor: John Cormier
  • Patent number: 11409062
    Abstract: Provided is an optical transceiver module, comprising a housing, a substrate, an optical receiving device and a plurality of optical transmitting devices. The substrate is disposed in the housing. The optical receiving device is disposed on the substrate. The plurality of optical transmitting devices are connected to the substrate, and the optical transmitting devices are arranged in an alternating manner. The optical transceiver module effectively utilizes the internal space thereof for a compact design and can have a simple structure for manufacturing.
    Type: Grant
    Filed: February 9, 2021
    Date of Patent: August 9, 2022
    Inventors: Chun-Yang Chang, Yun-Cheng Huang, Wen-Hsien Li, Cheng-Hung Lu, Ming-Ju Chen, Chang-Cherng Wu
  • Patent number: 11402584
    Abstract: A light coupling unit for use in an optical connector includes a waveguide alignment member that receives and aligns at least one optical waveguide. The light coupling unit includes a light redirecting member that has an input surface configured to receive input light from the end face of the optical waveguide. A curved reflective surface of the light redirecting member receives light from the input surface propagating along an input axis and redirects the light such that the redirected light propagates along a different redirected axis. An output surface of the light redirecting member receives the redirected light and transmits the redirected light as output light propagating along an output axis and exiting the light redirecting member. A curved intersection of the curved reflective surface and a first plane formed by the input and redirected axes has a radius of curvature. The curved reflective surface has an axis of revolution disposed in the first plane.
    Type: Grant
    Filed: March 1, 2019
    Date of Patent: August 2, 2022
    Assignee: 3M Innovative Properties Company
    Inventors: Michael A. Haase, Bing Hao
  • Patent number: 11378747
    Abstract: The present disclosure relates to semiconductor structures and, more particularly, to waveguide attenuators and methods of manufacture. The structure includes: a main bus waveguide structure; a first hybrid waveguide structure evanescently coupled to the main bus waveguide structure and comprising a first geometry of material; and a second hybrid waveguide structure evanescently coupled to the main bus waveguide structure and comprising a second geometry of the material.
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: July 5, 2022
    Inventors: Yusheng Bian, Won Suk Lee, Abdelsalam A. Aboketaf
  • Patent number: 11378763
    Abstract: An optical waveguide is formed on a support member. A second cladding layer is formed on a surface of a first cladding layer so as to cover a core layer. An opening is opened at the second cladding layer-side, penetrates the second cladding layer and the core layer, and closed at the first cladding layer-side. The opening has a first surface and a second surface ranging from the opened side to the closed side. In a vertical section taken along a longitudinal direction of the core layer, a first angle between a perpendicular line drawn from an opening end of the first surface to the surface of the first cladding layer and the first surface, and a second angle between a perpendicular line drawn from an opening end of the second surface to the surface of the first cladding layer and the second surface are all acute angles.
    Type: Grant
    Filed: January 22, 2021
    Date of Patent: July 5, 2022
    Inventor: Kenji Yanagisawa
  • Patent number: 11360272
    Abstract: A large-scale single-photonics-based optical switching system that occupies an area larger than the maximum area of a standard step-and-repeat lithography reticle is disclosed. The system includes a plurality of identical switch blocks, each of is formed in a different reticle field that no larger than the maximum reticle size. Bus waveguides of laterally adjacent switch blocks are stitched together at lateral interfaces that include a second arrangement of waveguide ports that is common to all lateral interfaces. Bus waveguides of vertically adjacent switch blocks are stitched together at vertical interfaces that include a first arrangement of waveguide ports that is common to all vertical interfaces. In some embodiments, the lateral and vertical interfaces include waveguide ports having waveguide coupling regions that are configured to mitigate optical loss due to stitching error.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: June 14, 2022
    Assignee: The Regents of the University of California
    Inventors: Tae Joon Seok, Ming Chiang A Wu
  • Patent number: 11327236
    Abstract: A grating-coupled light guide concentrates light and diffractively redirects the concentrated light at a non-zero propagation angle as guided light having a predetermined spread angle. The grating-coupled light guide includes a light guide, an optical concentrator, and a grating coupler. The optical concentrator is configured to concentrate light from a light source as concentrated light and the grating coupler is configured to diffractively redirect the concentrated light into the light guide as the guided light. Characteristics of the optical concentrator and grating coupler are configured in combination to determine the non-zero propagation angle and predetermined spread angle. A grating-coupled display system further includes an array of light valves configured to modulate emitted light as a displayed image.
    Type: Grant
    Filed: March 18, 2020
    Date of Patent: May 10, 2022
    Assignee: LEIA INC.
    Inventors: Xuejian Li, David A. Fattal, Francesco Aieta
  • Patent number: 11320588
    Abstract: A Super System on Chip (SSoC) coupled with a photonic neural learning processor (PNLP), one or more quantum bits (qubits) and a machine learning algorithm for ultrafast data processing, image processing/recognition, deep learning/meta-learning and self-learning is disclosed. The Super System on Chip (SSoC) is interconnected/coupled electrically and/or optically in two-dimension (2-D) or in three-dimension (3-D).
    Type: Grant
    Filed: September 28, 2019
    Date of Patent: May 3, 2022
    Inventor: Mohammad A. Mazed
  • Patent number: 11287652
    Abstract: A device for generating a virtual image with stray light suppression comprises at least one light source for producing light with a specified wavelength, a display element for producing an image, and an optical waveguide for expanding an exit pupil. An aperture mask that has holes and non-transparent regions is arranged above an upper boundary surface of the optical waveguide.
    Type: Grant
    Filed: December 15, 2020
    Date of Patent: March 29, 2022
    Assignee: Continental Automotive GmbH
    Inventors: Kai Habermehl, Markus Schöpper
  • Patent number: 11262504
    Abstract: An optical connection apparatus comprising a prism that extracts N×M beams of outgoing light from an optical circuit, a two-dimensional GRIN lens array of N×M GRIN lenses, a spacer, having a thickness according to the optical path length in the prism, that transmits N×M outgoing beams from the two-dimensional GRIN lens array, and a two-dimensional fiber array that causes the N×M beams to be incident on optical fibers, the ends of optical fibers being disposed at the focal point of each of the beams transmitted through the spacer.
    Type: Grant
    Filed: October 1, 2020
    Date of Patent: March 1, 2022
    Inventors: Motohiro Nakahara, Koichi Arishima
  • Patent number: 11249222
    Abstract: An optical film, a manufacturing method thereof and a display device are provided. The optical film includes a photonic crystal film substrate and a plurality of linear defective portions penetrating the photonic crystal film substrate in a thickness direction in the photonic crystal film substrate. A lattice period of each of the linear defective portions is different from a lattice period of the photonic crystal film substrate, and the photonic crystal film substrate includes a plurality of first regions and a plurality of second regions. The first regions and the second regions are alternately distributed along at least one direction in a plane where the photonic crystal thin film is located. The linear defective portion located in each of the first regions has a first light exiting direction. The linear defective portion in each of the second regions has a second light exiting direction.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: February 15, 2022
    Inventor: Pengming Chen
  • Patent number: 11244639
    Abstract: A display panel includes a plurality of sub-pixels. At least one sub-pixel of the plurality of sub-pixels includes a first electrode, a light modulation structure disposed on a side of the first electrode, and a second electrode disposed at a side of the light modulation structure away from the first electrode. The light modulation structure includes a refractive index adjustment layer, and a light modulation layer disposed between the refractive index adjustment layer and the first electrode. A refractive index of the refractive index adjustment layer is changed under action of an electric field between the first electrode and the second electrode. The light modulation layer is in contact with the refractive index adjustment layer, and at least a part of a surface of the light modulation layer that is in contact with the refractive index adjustment layer is a curved face.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: February 8, 2022
    Inventors: Changhong Shi, Jin Wang, Wenchang Tao, Zongxiang Li, Jiamin Liao, Min Zhou, Yao Liu, Hongjiang Wu, Zuwen Liu
  • Patent number: 11229400
    Abstract: Systems and methods for the detection of calculi in the biliary system are disclosed. The systems include an illumination source, one or more filters that filter a first set of illumination photons and a second set of illumination photons, as well as associated processors and detectors. The system is also designed to generates image data sets and generated information related to the location of the calculi.
    Type: Grant
    Filed: August 19, 2019
    Date of Patent: January 25, 2022
    Inventors: Jeffrey Cohen, Patrick Treado, Shona Stewart, Heather Gomer, Arash Samiei, Alyssa Zrimsek, Jihang Wang
  • Patent number: 11209292
    Abstract: A system 1 for remote sensing of information to be transmitted, said system 1 comprising; an optical time-domain reflectometer, OTDR, 2 adapted to transmit an optical probe signal OPS into an optical fiber 3 and to measure a backscattered signal power; and at least one electro-optical signaling unit 4 connected to said optical fiber 3, wherein the electro-optical signaling unit 4 is configured to change an attenuation and/or a reflection of the optical probe signal OPS depending on at least one signal provided by one or more signal sources 5 in response to the information to be transmitted.
    Type: Grant
    Filed: October 16, 2018
    Date of Patent: December 28, 2021
    Inventors: Sander Jansen, Uwe Gröschner, Gunter Schubert, Hendrik Beil
  • Patent number: 11187618
    Abstract: The invention concerns a method for characterizing mode group properties of multimodal light traveling through an optical component, comprising: launching a reference pulse of light with a wavelength ?t from a light source into said optical component, collecting light signal output by said optical component into a Mode Group Separating optical fiber; detecting light signal output by said Mode Group Separating optical fiber. The Mode Group Separating optical fiber is a multimode fiber with an ?-profile graded index core with an ?-value chosen such that said fiber satisfies the following criterion at the wavelength ?t: ? ?? ? . L ? ? ? T REF > 4 where: ?? is a time delay difference between consecutive mode groups; L is a length of said fiber; ?TREF is a Full Width at Quarter Maximum of said reference pulse.
    Type: Grant
    Filed: June 4, 2019
    Date of Patent: November 30, 2021
    Assignee: Draka Comteq B.V.
    Inventors: Franciscus Johannes Achten, Denis Molin, Pierre Sillard, Marianne Bigot-Astruc
  • Patent number: 11184185
    Abstract: Systems and methods for providing multicast group (MCG) membership relative to partition membership in a high performance computing environment. In accordance with an embodiment, by allowing a subnet manager of a local subnet to be instructed that all ports that are members of the relevant partition should be set up as members for a specific multicast group, the SM can perform a more efficient multicast-routing process. It is also possible to limit the IB client interaction with subnet administration conventionally required to handle join and leave operations. Additionally, subnet manager overhead can be reduced by creating a spanning tree for the routing of multicast packets that includes each of the partition members added to the multicast group, instead of creating a spanning tree after each multicast group join request is received, as conventionally required.
    Type: Grant
    Filed: September 3, 2019
    Date of Patent: November 23, 2021
    Inventors: Bjørn Dag Johnsen, Bartosz Bogdanski, Line Holen
  • Patent number: 11128377
    Abstract: The method of transmitting data includes encoding, at an optical line terminal, data to be transmitted over a plurality of wavelength channels; providing the encoded data to corresponding lasers as modulation inputs, to enable the lasers to generate optical signals representing the data; multiplexing the optical signals; and equalizing the multiplexed optical signals for transmission via an optical transmission link. The method of receiving data includes de-multiplexing, at an optical network unit, optical signals received from an optical transmission link; selecting, from the de-multiplexed optical signals, an optical signal corresponding to a particular wavelength channel; converting the selected optical signal into electric signals; and decoding the electric signal to determine the data.
    Type: Grant
    Filed: March 13, 2017
    Date of Patent: September 21, 2021
    Assignee: ALCATEL LUCENT
    Inventor: Zhensen Gao
  • Patent number: 11126925
    Abstract: This disclosure relates to quantum electronic devices for storing qubits. In particular, this disclosure relates to a quantum electronic device comprising a carbon nanosphere adapted to store a qubit represented by an electron spin and a control and readout device to set the qubit and read the qubit stored on the carbon nanosphere. Qubits stored on carbon nanospheres have a long electron spin lifetime at room temperature. This disclosure further relates to a method for quantum computing. The method comprises storing a qubit represented by an electron spin on a carbon nanosphere, performing a quantum operation on the qubit to generate a resulting qubit and reading the resulting qubit from the nanosphere. There is further provided a spintronic device comprising multiple carbon nanospheres adapted to provide a qubit represented by an electron spin in that carbon nanosphere and a control device to facilitate interaction between the qubits to perform a quantum operation.
    Type: Grant
    Filed: December 3, 2016
    Date of Patent: September 21, 2021
    Assignee: The University of Sydney
    Inventors: Balint Nafradi, Mohammad Choucair
  • Patent number: 11112610
    Abstract: An image display device projecting an image to a user includes: an image generation unit that generates image light; a projection optical unit that projects the image light generated by the image generation unit; an image light duplication unit that duplicates and emits the image light projected by the projection optical unit; and a light-guiding unit that projects the image light duplicated by the image light duplication unit to a user, in which the projection optical unit includes at least one projection lens, and in which an interval at which the image light duplication unit duplicates the image light is smaller than an outer diameter of the projection lens.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: September 7, 2021
    Inventors: Takuma Kuno, Ryuji Ukai, Toshiteru Nakamura, Masahito Uchiyama, Takahiro Mouri
  • Patent number: 11105981
    Abstract: Detachable optical connectors for optical chips and methods of their fabrication are disclosed. In one embodiment, an optical connector includes a ferrule that supports ferrule waveguides. The optical connector further includes a waveguide support coupled to the ferrule and that supports transition waveguides that are optically coupled to the ferrule waveguides. Ends of the ferrule waveguides are exposed at one end of the ferrule to define a first pitch while ends of the second waveguides are exposed at a chip coupling surface of the waveguide support. The transition waveguides provide at least one type of transition for the guided light traveling within the ferrule waveguides to enable either edge coupling, surface coupling or evanescent coupling to chip waveguides of an optical chip. The transition can include a change in mode-field diameter, direction of the guided light, and/or pitch.
    Type: Grant
    Filed: June 7, 2019
    Date of Patent: August 31, 2021
    Assignee: Alliance Fiber Optic Products, Inc.
    Inventors: Lars Martin Otfried Brusberg, Ximao Feng, Wen-Lung Kuang
  • Patent number: 11073648
    Abstract: A light guide element is adapted to be used in an electronic device including a light emitting unit that has at least one light emitting element. The light guide element includes a base portion and a plurality of light guide bodies. The base portion includes a light entry surface for incidence of light emitted by the light emitting unit and at least one side surface connected to the light entry surface. The light guide bodies are disposed on the at least one side surface. Each of the light guide bodies is formed with at least three light exit surfaces. Each of the light exit surfaces has an extension direction. The extension direction and the at least one side surface of the base portion form therebetween an angle being between 10° and 85°.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: July 27, 2021
    Inventor: Chiung-Huang Huang
  • Patent number: 11067737
    Abstract: A one-way see-through illumination device includes a light guide, a light source at an edge of the light guide and a pattern of pixels on a surface of the light guide. The light guide has an illumination surface and a non-illumination surface opposite to the illumination surface. The light source is configured to inject light into the edge of the light guide. The pattern of pixels and the light guide are arranged to generate transparent illumination by the frustration of total internal reflection of light injected into the light guide such that light from the light source is emitted through the illumination surface. The pixels are arranged to prevent the generation of a diffraction grating in the light guide.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: July 20, 2021
    Assignee: NANOPATH, INC.
    Inventor: Kevin Donahue
  • Patent number: 11054571
    Abstract: [Problem] To propose a head-mounted display capable of restraining deformation or breakage of a connection member caused by concentration of an external force on the connection member. [Solution] A head-mounted display includes a frame worn on the head of a viewer and having a front part disposed in front of the viewer, and an image display device connected to a central part of the front part. The image display device includes two right and left optical modules each including an image generation device and a light guide member that is connected to the image generation device and is disposed closer as a whole to a center of the face of the viewer than the image generation device, and includes a connection member connecting the image display device to the front part. A part of the image display device is disposed so as to face a part of the front part in a front-rear direction with a predetermined gap interposed therebetween.
    Type: Grant
    Filed: May 11, 2018
    Date of Patent: July 6, 2021
    Inventor: Toshimi Kobayashi
  • Patent number: 11035985
    Abstract: A dual-lenslet array photonic integrated circuit (PIC) imager includes a PIC and top and bottom substrate spacers. A first optical prism couples a first lenslet array to a first-side edge of the PIC. A second optical prism couples a second lenslet array to a second-side edge of the PIC. Lenslets of the first lenslet array and respective lenslets of the second lenslet array are coupled to respective waveguides embedded in the in the PIC.
    Type: Grant
    Filed: February 27, 2019
    Date of Patent: June 15, 2021
    Inventors: Guy Chriqui, Chad E. Ogden, Richard L. Kendrick, Katherine Emily Badham
  • Patent number: 11035548
    Abstract: A structured light generator includes a light source configured to emit light, and a first meta optical device including a first metasurface including nanostructures having sub-wavelength dimensions that are less than a wavelength of the light emitted from the light source, the first metasurface being configured to form a distribution of light rays from the light emitted from the light source to thereby radiate structured light.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: June 15, 2021
    Inventors: Seunghoon Han, Ali Naqavi, Harry Atwater
  • Patent number: 11025030
    Abstract: An optical module includes a circuit board, an optical fiber, an optical fiber monitoring chip, a laser chip, a laser driving chip and a lens assembly. A bottom surface of the lens assembly is covered above the laser chip and the optical monitoring chip. A groove is on a top surface of the lens assembly. A bottom of the groove protrudes to form a first interface and a second interface. The laser chip is configured to emit light. The first interface is configured to reflect the emitted light to obtain first reflected light. The second interface is configured to reflect a portion of the first reflected light to obtain a second reflected light and refract another portion of the first reflected light to obtain a first refracted light. The second reflected light is transmitted to the optical monitoring chip. The first refracted light is transmitted to the optical fiber.
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: June 1, 2021
    Inventors: Xuxia Liu, Yan Zhong
  • Patent number: 11009206
    Abstract: An optical system includes optical fibers, a decoupling surface, an intersecting surface and a connecting portion. The optical fibers are arranged in at least one row. Each of the optical fibers includes a coupling surface onto which light from a light source is received. Light is directed through the optical fibers along an optical main axis. Light emitted from the optical fibers is directed onto a decoupling surface. The connecting portion is planar and is disposed between the decoupling surface and the optical fibers. The intersecting surface bounds the decoupling surface and is parallel to the optical main axis. Each of the optical fibers has an intersecting face oriented parallel to the optical main axis and parallel to the intersecting surface. The intersecting surface and the intersecting faces of the optical fibers generate a sharp outer edge of a light pattern formed by light emitted from the optical system.
    Type: Grant
    Filed: November 28, 2019
    Date of Patent: May 18, 2021
    Assignee: Osram GmbH
    Inventors: Andreas Hartmann, Thomas Feil
  • Patent number: 11002914
    Abstract: Devices and systems to perform optical alignment by using one or more liquid crystal layers to actively steer a light beam from an optical fiber to an optical waveguide integrated on a chip. An on-chip feedback mechanism can steer the beam between the fiber and a grating based waveguide to minimize the insertion loss of the system.
    Type: Grant
    Filed: September 11, 2017
    Date of Patent: May 11, 2021
    Assignee: Micron Technology, Inc.
    Inventors: Roy Meade, Gurtej Sandhu
  • Patent number: 10996403
    Abstract: An optical fiber mounting method that mounts a plurality of optical fibers on a substrate includes: bundling the optical fibers together with a bundling member; adjusting a height of the bundling member from a surface of the substrate or an angle of inclination of the bundling member relative to the surface of the substrate; bringing end faces of the optical fibers bundled with the bundling member into contact with end faces of optical waveguides on the substrate, the optical waveguides respectively corresponding to the optical fibers; and bonding the optical fibers to the substrate, in a state where the end faces of the optical fibers are in contact with the end faces of the optical waveguides.
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: May 4, 2021
    Inventors: Takayoshi Matsumura, Naoaki Nakamura
  • Patent number: 10996396
    Abstract: The present invention, disclose an endcap comprising: a. a first part being at least partially symmetrical about a main axis, said first part being fused to an optical fiber at a proximal end thereof such that said main axis is alignable with an optical axis of the optical fiber beam; and, b. a second part connecting to said first part at a distal end of said first part, wherein said second part protrudes from said first part, such that said second part forms a protruding bonding area, which is perpendicular to said main axis, for attaching said endcap to a fixture attachment area of a fixture apparatus, said fixture attachment area is perpendicular to said main axis, wherein said endcap is inserted at least partially inside said fixture apparatus, whereby, said endcap keeps said optical fiber beam aligned and minimizes angular diversion from an original alignment.
    Type: Grant
    Filed: December 31, 2018
    Date of Patent: May 4, 2021
    Inventors: Semion Kizhner, Amir Hertzog, Rina Cohen, Daniel Wormser, Tal Regev
  • Patent number: 10996411
    Abstract: The invention relates to an optical assembly (100) comprising a first optical fiber (101) propagating coherent light in a predetermined direction (P) into an input end (110) of the optical assembly (100), said optical fiber having a core and a cladding; a heat sink (111) surrounding the optical fiber (101) at the input end (110); and a lens (120) arranged after the heat sink (111) in the propagating direction (P). The optical assembly (100) further comprises a filter (130) arranged after the lens (120), wherein the filter (130) has a reflective surface (131) arranged to transmit light having one or more desired wavelengths and to reflect one or more undesired wavelengths back through the lens (120). The invention further relates to a method for separating desired and undesired wavelengths.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: May 4, 2021
    Assignee: OPTOSKAND AB
    Inventors: Simon Aleryd, Stuart Campbell, Olof Sallhammar
  • Patent number: 10984735
    Abstract: Embodiments of a device and a method of tuning white point values of light distributed by a backlight unit of a display device are described. The device includes a backlight unit, an image generating unit, and a patterned layer. The backlight unit includes a light source unit and an optical processing unit having a quantum dot film coupled to the light source unit. The image generating unit includes a display screen. The backlight unit is configured to distribute light to the display screen and the patterned layer is configured to tune white point values of the distributed light to a desired white point value in order to achieve substantially uniform white point values across the display screen.
    Type: Grant
    Filed: April 14, 2016
    Date of Patent: April 20, 2021
    Assignee: Nanosys, Inc.
    Inventors: Jian Chen, Ernest Lee, Robert E. Wilson, Steven Gensler
  • Patent number: 10969590
    Abstract: A near-eye display has a light-guide optical element (LOE) with two major parallel external surfaces. An image projector introduces image illumination into the LOE so as to propagate by internal reflection. The image projector includes one or more light-generating laser diode operated by a controller. A coupling-out arrangement includes a set of mutually-parallel, partially-reflective surfaces associated with the LOE at an oblique angle to the major external surfaces for coupling the illumination out of the LOE towards the eye of the observer. The light-generating laser diode has a characteristic variation of coherence length of generated light as a function of diode actuation power. The controller actuates the laser diode at a level of diode actuation power that generates light with a coherence length that is less than twice a spacing between adjacent partially-reflective surfaces of the coupling-out arrangement.
    Type: Grant
    Filed: September 8, 2019
    Date of Patent: April 6, 2021
    Assignee: Lumus Ltd.
    Inventors: Yochay Danziger, Ronen Chriki, Nitzan Livneh
  • Patent number: 10942316
    Abstract: A fiber array unit (FAU) connector includes a support substrate having a rear-end section and an elevated front-end section. The front-end section has a top surface with fiber grooves that support bare glass sections of optical fibers, which have respective fiber end faces that reside at a front end face defined by the front-end section. Two alignment pins reside in parallel alignment pin channels on opposite sides of the fiber grooves. The alignment pin channels terminate at respective front-end recessed surfaces that are axially spaced from the front end face. The alignment pins extend from the alignment pin channels to be even with the front end face. A cover secured to the front-end section holds the bare glass sections of the optical fibers and the alignment pins in place. Alignment sleeves are used to establish pin-to-pin alignment of confronting FAU connectors.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: March 9, 2021
    Assignee: Alliance Fiber Optic Products, Inc.
    Inventors: Ximao Feng, Shudong Xiao, Andy Fenglei Zhou
  • Patent number: 10935497
    Abstract: A highly reflective light-guide system has a highly reflective light-guide surface for reflecting light that has been emitted from a sample and has entered from an entry port opposing a window material and propagating the same to an exit port opposing a light reception surface of a photodetector. An optical filter is provided in a space surrounded by the window material, the photodetector, and the highly reflective light-guide system and transmits the signal luminescence to be measured that is emitted from the sample between the window material and photodetector. The optical filter is fixed to the window material or photodetector by an adhesive, and the peripheral shape of the optical filter is smaller than the shape of the inside of a fitting part to which the optical filter is fitted and that is formed on the highly reflective light-guide system.
    Type: Grant
    Filed: July 13, 2016
    Date of Patent: March 2, 2021
    Inventors: Shunichiro Nobuki, Muneo Maeshima, Kenta Imai
  • Patent number: 10862584
    Abstract: A system for monitoring a signal on an optical fiber includes a fiber optic connector having a housing couplable to a receptacle. An optical fiber that transmits a first optical signal has first fiber core at least partially surrounded by a cladding and has a first end terminating proximate the housing. The first optical signal is transmitted along the first fiber core. An optical tap has a first tap waveguide arranged and is configured to receive at least part of the first optical signal as a first tap signal. The first tap waveguide comprises an output port for the first tap signal for directing the tap signal to a detector unit. In other embodiments, a detector unit detects light from the optical signal that is propagating along the fiber cladding.
    Type: Grant
    Filed: January 6, 2020
    Date of Patent: December 8, 2020
    Assignee: CommScope Connectivity Belgium BVBA
    Inventors: Koen Huybrechts, Jan Watté, Stefano Beri
  • Patent number: 10859748
    Abstract: An illumination fiber optics is provided that includes an optical fiber, configured to receive illumination light at a proximal end from a light source; and a light-scattering element, at a distal end of the optical fiber, configured to receive the illumination light from the optical fiber at a proximal end and to emit the illumination light at a distal end in a wide angle. The illumination fiber optics can be prepared by providing an optical fiber, configured to receive illumination light at a proximal end from a light source; and creating a light-scattering element at a distal end of the optical fiber, configured to receive the illumination light from the optical fiber at a proximal end and to emit the illumination light at a distal end in a wide angle.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: December 8, 2020
    Assignee: Alcon Inc.
    Inventors: Alireza Mirsepassi, Ronald T. Smith, Michael J. Papac, Chenguang Diao
  • Patent number: 10811839
    Abstract: The present disclosure is generally directed to a TO can laser package that includes an off-center focus lens integrated into a lens cap to compensate displacement of an associated laser diode. The TO can laser package includes a TO header with a mounting structure for directly electrically coupling an associated laser diode to electrical leads/pins without the use of an intermediate interconnect. The mounting structure displaces the laser diode such that an emission surface, and more particularly, an origin thereof, is displaced/offset relative to a center of the TO header. The integrated lens cap includes a focus lens with an optical center that is offset from a center of the TO header at a distance that is substantially equal to the displacement of the laser diode. Thus, the displacement of the laser diode is compensated for by the off-center focus lens to minimize or otherwise reduce optical misalignment.
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: October 20, 2020
    Assignee: Applied Optoelectronics, Inc.
    Inventors: I-Lung Ho, Chong Wang, Shih-Chia Liu
  • Patent number: 10791923
    Abstract: An optical probe includes first and second light guiding components, and a ball lens arranged along an optical axis and enclosed in a sheath having asymmetric optical power. The probe transmits at least two light beams including first and second beams each having a different wavelength. The ball lens has a curved surface and an angled surface arranged such that light is reflected off from the angled surface and focused by the curved surface at a working distance with a beam waist profile having lateral and longitudinal directions. Beam waist locations of the first and second beams are different from each other, and the beam waist profiles of the first and second beams in the lateral direction differs less than the beam waist profiles in the longitudinal direction. This ball lens design compensates for the sheath asymmetric optical power and provides balanced astigmatism and substantially achromatic performance.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: October 6, 2020
    Assignee: Canon U.S.A., Inc.
    Inventor: Tzu-Yu Wu
  • Patent number: 10768415
    Abstract: A display device and a light source are provided. The display device includes a display panel and a first photonic crystal layer arranged at a light-emitting side of the display panel. The first photonic crystal layer is configured to enable incident light to exit along a Z direction, the Z direction being a thickness direction of the first photonic crystal layer.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: September 8, 2020
    Inventors: Weipin Hu, Jun Wu, Lianjie Qu, Yinglong Huang
  • Patent number: 10734943
    Abstract: A system for transmitting power to a remote equipment, the system including a first laser source that generates a first laser beam; a first tracking device operatively connected to the first laser source, wherein the first tracking device controls a direction of the first laser beam; and a first photovoltaic device operatively connected to the remote equipment located remotely from the first laser source and the first tracking device, wherein the first photovoltaic device includes a semiconductor material that generates an electric current in response to absorbing the first laser beam, and wherein a first wavelength of the first laser beam is within an eye-safer range.
    Type: Grant
    Filed: September 10, 2015
    Date of Patent: August 4, 2020
    Assignee: The Government of the United States of America, as represented by the Secretary of the Navy
    Inventors: Jesse A. Frantz, Jason D. Myers, Steven R. Bowman, L. Brandon Shaw, Jasbinder S. Sanghera
  • Patent number: 10729498
    Abstract: The present disclosure relates to methods and systems for removing a vascular obstruction in a subject using a combination of thrombolytic and laser ablation therapy. Treatment methods include positioning a catheter adjacent to an obstruction within a vessel of a subject. A portion of the obstruction may be ablated by delivering laser energy through the optical fibers to the distal end of the catheter, where the optical fibers are exposed, and circulating a fluid containing one or more thrombolytic agents to a remaining portion of the obstruction for a predetermined amount time. Fluid containing one or more thrombolytic agents capable of dissolving a remaining portion of the obstruction may be circulated through the fluid delivery lumen and removed through the fluid removal lumen.
    Type: Grant
    Filed: September 2, 2014
    Date of Patent: August 4, 2020
    Inventor: Justus Gross