Patents by Inventor Michael LOVELADY

Michael LOVELADY has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • In-fiber retroreflector
    Patent number: 11502477
    Abstract: An optical fiber may include a core in which core-guided light generated by one or more light sources propagates along a length of the at least one optical fiber, one or more claddings, surrounding the core, to guide cladding-guided light generated by the one or more light sources along the length of the at least one optical fiber, and a reflector structure machined into the at least one optical fiber. The reflector structure may include multiple angled facets arranged at one or more respective angles relative to an axis of the optical fiber to reflect at least a portion of the core-guided light and/or the cladding-guided light passing through the optical fiber.
    Type: Grant
    Filed: May 18, 2020
    Date of Patent: November 15, 2022
    Assignee: Lumentum Operations LLC
    Inventors: Martin H. Muendel, Richard D. Faulhaber, Michael Lovelady, James J. Morehead, Andreas Oehler
  • Optical element holder with a protruding feature to hold a chamfered optical element
    Patent number: 11237338
    Abstract: An optical device may comprise an optical element holder that holds an optical element in an internal portion of the optical element holder, wherein the optical element holder includes a protruding feature with a contact portion that holds the optical element in the internal portion of the optical element holder. The optical device may additionally comprise the optical element, wherein an edge of the optical element includes a chamfered portion that contacts the contact portion of the protruding feature of the optical element holder to allow the protruding feature of the optical element holder to hold the optical element in the internal portion of the optical element holder.
    Type: Grant
    Filed: May 27, 2020
    Date of Patent: February 1, 2022
    Assignee: Lumentum Operations LLC
    Inventors: Yiduo Zhang, Bryan Paolini, Michael Lovelady, Titus Whitehead, Gilberto Madrid
  • Retroreflective fiber endcap
    Patent number: 11209595
    Abstract: An optical fiber endcap device may include an input facet spliced onto an input fiber and an output end through which counterpropagating light enters the optical fiber endcap device. The optical fiber endcap device further includes a plurality of angled facets that are arranged at respective angles relative to an axis of the optical fiber endcap device to reflect at least a portion of the counterpropagating light back through the output end of the optical fiber endcap device.
    Type: Grant
    Filed: April 3, 2020
    Date of Patent: December 28, 2021
    Assignee: Lumentum Operations LLC
    Inventors: Martin H. Muendel, Richard D. Faulhaber, Michael Lovelady
  • IN-FIBER RETROREFLECTOR
    Publication number: 20210265801
    Abstract: An optical fiber may include a core in which core-guided light generated by one or more light sources propagates along a length of the at least one optical fiber, one or more claddings, surrounding the core, to guide cladding-guided light generated by the one or more light sources along the length of the at least one optical fiber, and a reflector structure machined into the at least one optical fiber. The reflector structure may include multiple angled facets arranged at one or more respective angles relative to an axis of the optical fiber to reflect at least a portion of the core-guided light and/or the cladding-guided light passing through the optical fiber.
    Type: Application
    Filed: May 18, 2020
    Publication date: August 26, 2021
    Inventors: Martin H. MUENDEL, Richard D. FAULHABER, Michael LOVELADY, James J. MOREHEAD, Andreas OEHLER
  • RETROREFLECTIVE FIBER ENDCAP
    Publication number: 20210231872
    Abstract: An optical fiber endcap device may include an input facet spliced onto an input fiber and an output end through which counterpropagating light enters the optical fiber endcap device. The optical fiber endcap device further includes a plurality of angled facets that are arranged at respective angles relative to an axis of the optical fiber endcap device to reflect at least a portion of the counterpropagating light back through the output end of the optical fiber endcap device.
    Type: Application
    Filed: April 3, 2020
    Publication date: July 29, 2021
    Inventors: Martin H. MUENDEL, Richard D. FAULHABER, Michael LOVELADY
  • OPTICAL ELEMENT HOLDER WITH A PROTRUDING FEATURE TO HOLD A CHAMFERED OPTICAL ELEMENT
    Publication number: 20210199896
    Abstract: An optical device may comprise an optical element holder that holds an optical element in an internal portion of the optical element holder, wherein the optical element holder includes a protruding feature with a contact portion that holds the optical element in the internal portion of the optical element holder. The optical device may additionally comprise the optical element, wherein an edge of the optical element includes a chamfered portion that contacts the contact portion of the protruding feature of the optical element holder to allow the protruding feature of the optical element holder to hold the optical element in the internal portion of the optical element holder.
    Type: Application
    Filed: May 27, 2020
    Publication date: July 1, 2021
    Inventors: Yiduo ZHANG, Bryan PAOLINI, Michael LOVELADY, Titus WHITEHEAD, Gilberto MADRID