Patents by Inventor Wang Long Zhou

Wang Long Zhou 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).

  • Laser system with staircased slow-axis collimators
    Patent number: 11682882
    Abstract: In various embodiments, pointing errors in a non-wavelength-beam-combining dimension of a laser system are at least partially alleviated via staircased collimation lenses.
    Type: Grant
    Filed: October 22, 2021
    Date of Patent: June 20, 2023
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD
    Inventors: Wang-Long Zhou, Bryan Lochman, Bien Chann, Matthew Sauter
  • OPTICAL FIBER STRUCTURES AND METHODS FOR VARYING LASER BEAM PROFILE
    Publication number: 20230161108
    Abstract: In various embodiments, the beam parameter product and/or numerical aperture of a laser beam is adjusted utilizing a step-clad optical fiber having a central core, a first cladding, an annular core, and a second cladding.
    Type: Application
    Filed: December 28, 2022
    Publication date: May 25, 2023
    Inventors: Wang-Long ZHOU, Francisco VILLARREAL-SAUCEDO, Parviz TAYEBATI, Bien CHANN
  • LASER SYSTEMS UTILIZING FIBER BUNDLES FOR POWER DELIVERY AND BEAM SWITCHING
    Publication number: 20230119937
    Abstract: In various embodiments, the beam parameter product and/or beam shape of a laser beam is adjusted by coupling the laser beam into an optical fiber of a fiber bundle and directing the laser beam onto one or more in-coupling locations on the input end of the optical fiber. The beam emitted at the output end of the optical fiber may be utilized to process a workpiece.
    Type: Application
    Filed: December 20, 2022
    Publication date: April 20, 2023
    Inventors: Wang-Long ZHOU, Bien CHANN, Francisco VILLARREAL-SAUCEDO, Parviz TAYEBATI
  • Optical fiber structures and methods for varying laser beam profile
    Patent number: 11567265
    Abstract: In various embodiments, the beam parameter product and/or numerical aperture of a laser beam is adjusted utilizing a step-clad optical fiber having a central core, a first cladding, an annular core, and a second cladding.
    Type: Grant
    Filed: October 22, 2020
    Date of Patent: January 31, 2023
    Assignee: TERADIODE, INC.
    Inventors: Wang-Long Zhou, Francisco Villarreal-Saucedo, Parviz Tayebati, Bien Chann
  • Laser systems utilizing fiber bundles for power delivery and beam switching
    Patent number: 11563301
    Abstract: In various embodiments, the beam parameter product and/or beam shape of a laser beam is adjusted by coupling the laser beam into an optical fiber of a fiber bundle and directing the laser beam onto one or more in-coupling locations on the input end of the optical fiber. The beam emitted at the output end of the optical fiber may be utilized to process a workpiece.
    Type: Grant
    Filed: January 4, 2021
    Date of Patent: January 24, 2023
    Assignee: TERADIODE, INC.
    Inventors: Wang-Long Zhou, Bien Chann, Francisco Villarreal-Saucedo, Parviz Tayebati
  • SINGLE EMITTER STACKING FOR WAVELENGTH-BEAM-COMBINING LASER SYSTEMS
    Publication number: 20230012623
    Abstract: In various embodiments, multiple laser emitters are arranged in one or more linear stacks and emit beams to one or more linear stacks of interleaving mirrors. The interleaving mirrors direct the beams to a shared exit point, thereby forming an output beam stack. The optical distances traversed by each beam from its emitter to the shared exit point are all equal to each other.
    Type: Application
    Filed: July 14, 2022
    Publication date: January 19, 2023
    Inventors: Wang-Long ZHOU, Michael DEUTSCH, Francisco VILLARREAL-SAUCEDO, Bien CHANN
  • SYSTEMS AND METHODS FOR ALIGNMENT OF WAVELENGTH BEAM COMBINING RESONATORS
    Publication number: 20220390759
    Abstract: In various embodiments, alignment systems for laser resonators generate near-field and/or far-field images of input beams produced by the laser resonators to enable the alignment of the input beams.
    Type: Application
    Filed: August 18, 2022
    Publication date: December 8, 2022
    Inventors: Wang-Long ZHOU, Bien CHANN, Krzysztof Michal NOWAK, Francisco VILLARREAL-SAUCEDO
  • OPTICAL FIBER STRUCTURES AND METHODS FOR BEAM SHAPING
    Publication number: 20220365298
    Abstract: In various embodiments, optical fibers have arrangements of core, annular core, and cladding regions enabling variation of beam shape and/or beam parameter product and may be utilized for the processing (e.g., welding, cutting, drilling, etc.) of various workpieces.
    Type: Application
    Filed: July 26, 2022
    Publication date: November 17, 2022
    Inventors: Wang-Long ZHOU, Francisco VILLARREAL-SAUCEDO
  • Wavelength beam combining laser systems utilizing prisms for beam quality improvement and bandwidth reduction
    Patent number: 11500139
    Abstract: In various embodiments, one or more prisms are utilized in a wavelength beam combining laser system to regulate beam size and/or to provide narrower wavelength bandwidth.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: November 15, 2022
    Assignee: TERADIODE, INC.
    Inventors: Wang-Long Zhou, Bien Chann, Daniel Gary Dugmore, Mike Cruz
  • SILOXANE MITIGATION FOR LASER SYSTEMS
    Publication number: 20220352689
    Abstract: In various embodiments, the concentration and deposition of siloxane materials within components of laser systems, such as laser resonators, is reduced or minimized utilizing mitigation systems that may also supply gas having low siloxane levels into multiple different components in series or in parallel.
    Type: Application
    Filed: July 19, 2022
    Publication date: November 3, 2022
    Inventors: Bryan LOCHMAN, Wang-Long ZHOU, Francisco VILLARREAL-SAUCEDO, Bien CHANN
  • Systems and methods for laser systems with variable beam parameter product
    Patent number: 11480846
    Abstract: In various embodiments, a beam-parameter adjustment system and focusing system alters a spatial power distribution of a radiation beams before the beam is coupled into an optical fiber or delivered to a workpiece.
    Type: Grant
    Filed: January 5, 2021
    Date of Patent: October 25, 2022
    Assignee: TeraDiode, Inc.
    Inventors: Parviz Tayebati, Wang-Long Zhou, Bien Chann, Bryan Lochman
  • Systems and methods for alignment of wavelength beam combining resonators
    Patent number: 11454821
    Abstract: In various embodiments, alignment systems for laser resonators generate near-field and/or far-field images of input beams produced by the laser resonators to enable the alignment of the input beams.
    Type: Grant
    Filed: January 24, 2020
    Date of Patent: September 27, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Wang-Long Zhou, Bien Chann, Krzysztof Michal Nowak, Francisco Villarreal-Saucedo
  • Optical fiber structures and methods for beam shaping
    Patent number: 11435538
    Abstract: In various embodiments, optical fibers have arrangements of core, annular core, and cladding regions enabling variation of beam shape and/or beam parameter product and may be utilized for the processing (e.g., welding, cutting, drilling, etc.) of various workpieces.
    Type: Grant
    Filed: November 6, 2019
    Date of Patent: September 6, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Wang-Long Zhou, Francisco Villarreal-Saucedo
  • Polarization-adjusted beam operation for materials processing
    Patent number: 11433479
    Abstract: Systems and techniques for optimizing the operation of a beam emitter during material processing maintain an optimal polarization of the beam with respect to the material throughout processing—e.g., even as the beam path varies or the nature or thickness of the material changes.
    Type: Grant
    Filed: October 21, 2019
    Date of Patent: September 6, 2022
    Assignee: TeraDiode, Inc.
    Inventors: Parviz Tayebati, Wang-Long Zhou, Bien Chann, Robin Huang
  • Siloxane mitigation for laser systems
    Patent number: 11424592
    Abstract: In various embodiments, the concentration and deposition of siloxane materials within components of laser systems, such as laser resonators, is reduced or minimized utilizing mitigation systems that may also supply gas having low siloxane levels into multiple different components in series or in parallel.
    Type: Grant
    Filed: October 15, 2020
    Date of Patent: August 23, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Bryan Lochman, Wang-Long Zhou, Francisco Villarreal-Saucedo, Bien Chann
  • Wavelength beam combining laser systems with micro-optics
    Patent number: 11391958
    Abstract: In various embodiments, wavelength beam combining systems feature multiple beam emitters each emitting an individual beam, as well as multiple micro-optics arrangements each disposed optically downstream from a beam emitter to intercept the beam emitted thereby and direct the beam toward a dispersive element for combination into a multi-wavelength output beam.
    Type: Grant
    Filed: April 6, 2020
    Date of Patent: July 19, 2022
    Assignee: TERADIODE, INC.
    Inventors: Parviz Tayebati, Bien Chann, Robin Huang, Wang-Long Zhou
  • LASER SYSTEMS UTILIZING CELLULAR-CORE OPTICAL FIBERS FOR BEAM SHAPING
    Publication number: 20220214495
    Abstract: In various embodiments, the beam parameter product and/or beam shape of a laser beam is adjusted by directing the laser beam across a path along the input end of a cellular-core optical fiber. The beam emitted at the output end of the cellular-core optical fiber may be utilized to process a workpiece.
    Type: Application
    Filed: January 19, 2022
    Publication date: July 7, 2022
    Inventors: Francisco VILLARREAL-SAUCEDO, Wang-Long ZHOU, Parviz TAYEBATI
  • OPTICAL ELEMENT ARRANGEMENTS FOR VARYING BEAM PARAMETER PRODUCT IN LASER DELIVERY SYSTEMS
    Publication number: 20220187611
    Abstract: In various embodiments, laser delivery systems feature one or more optical elements for receiving a radiation beam and altering the spatial power distribution thereof, a lens manipulation system for changing a position of at least one optical element within the path of the radiation beam, and a controller for controlling the lens manipulation system to achieve a target altered spatial power distribution on a workpiece.
    Type: Application
    Filed: March 1, 2022
    Publication date: June 16, 2022
    Inventors: Wang-Long ZHOU, Parviz TAYEBATI, Bien CHANN, Francisco VILLARREAL-SAUCEDO
  • Methods of producing radiation beams with altered properties
    Patent number: 11327235
    Abstract: In various embodiments, a beam-parameter adjustment system and focusing system alters a spatial power distribution of a plurality of radiation beams before the beams are coupled into an optical fiber.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: May 10, 2022
    Assignee: TERADIODE, INC.
    Inventors: Bien Chann, Parviz Tayebati, Robin Huang, Bryan Lochman, Wang-Long Zhou, Francisco J. Villarreal-Saucedo, James Zambuto
  • HELICAL EMITTER STACKING FOR WAVELENGTH-BEAM-COMBINING LASER SYSTEMS
    Publication number: 20220140574
    Abstract: In various embodiments, multiple laser emitters are helically arranged around a central axis and emit their individual beams toward the central axis. A collection of mirrors is disposed at the central axis, and each mirror is angled so that the reflected beams all exit the helical stack, in parallel and vertically stacked, in the same direction toward a shared exit point.
    Type: Application
    Filed: October 29, 2021
    Publication date: May 5, 2022
    Inventors: Wang-Long ZHOU, Michael DEUTSCH, Francisco VILLARREAL-SAUCEDO, Bien CHANN, Krzysztof Michal NOWAK, Jesus Fernando MONJARDIN LOPEZ