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).

  • POLARIZATION-ADJUSTED AND SHAPE-ADJUSTED BEAM OPERATION FOR MATERIALS PROCESSING
    Publication number: 20220137421
    Abstract: In various embodiments, laser delivery systems feature variable polarizers and beam shapers for altering the polarization and/or shape of the output beam for processing of various materials. The polarization and/or shape of the beam may be varied based on one or more characteristics of the workpiece.
    Type: Application
    Filed: November 12, 2021
    Publication date: May 5, 2022
    Inventors: Parviz TAYEBATI, Bien CHANN, Wang-Long ZHOU, Francisco VILLARREAL-SAUCEDO, Robin HUANG
  • Optical element arrangements for varying beam parameter product in laser delivery systems
    Patent number: 11294191
    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: Grant
    Filed: July 18, 2019
    Date of Patent: April 5, 2022
    Assignee: TERADIODE, INC.
    Inventors: Wang-Long Zhou, Parviz Tayebati, Bien Chann, Francisco Villarreal-Saucedo
  • Laser systems utilizing cellular-core optical fibers for beam shaping
    Patent number: 11262497
    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: Grant
    Filed: October 28, 2020
    Date of Patent: March 1, 2022
    Assignee: TeraDiode, Inc.
    Inventors: Francisco Villarreal-Saucedo, Wang-Long Zhou, Parviz Tayebati
  • WAVELENGTH BEAM COMBINING LASER SYSTEMS WITH HIGH BEAM QUALITY FACTOR
    Publication number: 20220050302
    Abstract: In various embodiments, optical repositioners and/or angled dispersive elements are utilized to manipulate portions of an input laser beam emitted by a group of laser emitters in order to form a multi-wavelength output beam having a high beam quality factor.
    Type: Application
    Filed: September 22, 2021
    Publication date: February 17, 2022
    Inventors: Parviz TAYEBATI, Wang-Long ZHOU, Bien CHANN, Robin HUANG, Michael CRUZ
  • LASER SYSTEM WITH STAIRCASED SLOW-AXIS COLLIMATORS
    Publication number: 20220045483
    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: Application
    Filed: October 22, 2021
    Publication date: February 10, 2022
    Inventors: Wang-Long ZHOU, Bryan LOCHMAN, Bien CHANN, Matthew SAUTER
  • STEP-CORE FIBER STRUCTURES AND METHODS FOR ALTERING BEAM SHAPE AND INTENSITY
    Publication number: 20220009027
    Abstract: In various embodiments, a workpiece is processed utilizing one or more output beams emitted from a step-core optical fiber and formed from one or more input beams that may have non-circular beam shapes. In various embodiments, an input beam may be a variable-power laser beam having a laser-beam numerical aperture (NA) that varies as a function of the power of the laser beam. The step-core optical fiber may have an outer core NA that is greater than or equal to the laser-beam NA at a laser power of approximately 100%, an inner core NA that is less than or equal to the outer core NA, and an inner core NA that is greater than or equal to the laser-beam NA at a power of 50%.
    Type: Application
    Filed: June 30, 2021
    Publication date: January 13, 2022
    Inventors: Wang-Long ZHOU, Francisco VILLARREAL-SAUCEDO, Bien CHANN
  • LASER SYSTEMS AND TECHNIQUES FOR WORKPIECE PROCESSING UTILIZING OPTICAL FIBERS AND MULTIPLE BEAMS
    Publication number: 20220009036
    Abstract: In various embodiments, a workpiece is processed utilizing primary and secondary laser beams having different wavelengths and which are coupled into specialized optical fibers. The primary and secondary beams may be utilized during different stages of workpiece processing.
    Type: Application
    Filed: June 30, 2021
    Publication date: January 13, 2022
    Inventors: Wang-Long ZHOU, Francisco VILLARREAL-SAUCEDO, Bien CHANN
  • Polarization-adjusted and shape-adjusted beam operation for materials processing
    Patent number: 11204506
    Abstract: In various embodiments, laser delivery systems feature variable polarizers and beam shapers for altering the polarization and/or shape of the output beam for processing of various materials. The polarization and/or shape of the beam may be varied based on one or more characteristics of the workpiece.
    Type: Grant
    Filed: September 9, 2016
    Date of Patent: December 21, 2021
    Assignee: TERADIODE, INC.
    Inventors: Parviz Tayebati, Bien Chann, Wang-Long Zhou, Francisco Villarreal-Saucedo, Robin Huang
  • EXCHANGEABLE LASER RESONATOR MODULES WITH ANGULAR ADJUSTMENT
    Publication number: 20210367408
    Abstract: In various embodiments, emitter modules include a laser source and (a) a refractive optic, (b) an output coupler, or (c) both a refractive optic and an output coupler. Either or both of these may be situated on mounts that facilitate two-axis rotation. The mount may be, for example, a conventional, rotatively adjustable “tip/tilt” mount or gimbal arrangement. In the case of the refractive optic, either the optic itself or the beam path may be adjusted; that is, the optic may be on a tip/tilt mount or the optic may be replaced with two or more mirrors each on tip/tilt mount.
    Type: Application
    Filed: August 10, 2021
    Publication date: November 25, 2021
    Inventors: Bryan LOCHMAN, Matthew SAUTER, Bien CHANN, Wang-Long ZHOU
  • Laser system with staircased slow-axis collimators
    Patent number: 11183816
    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 10, 2019
    Date of Patent: November 23, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD
    Inventors: Wang-Long Zhou, Bryan Lochman, Bien Chann, Matthew Sauter
  • Wavelength beam combining laser systems with high beam quality factor
    Patent number: 11156848
    Abstract: In various embodiments, optical repositioners and/or angled dispersive elements are utilized to manipulate portions of an input laser beam emitted by a group of laser emitters in order to form a multi-wavelength output beam having a high beam quality factor.
    Type: Grant
    Filed: November 12, 2019
    Date of Patent: October 26, 2021
    Assignee: TERADIODE, INC.
    Inventors: Parviz Tayebati, Wang-Long Zhou, Bien Chann, Robin Huang, Michael Cruz
  • Exchangeable laser resonator modules with angular adjustment
    Patent number: 11121526
    Abstract: In various embodiments, emitter modules include a laser source and (a) a refractive optic, (b) an output coupler, or (c) both a refractive optic and an output coupler. Either or both of these may be situated on mounts that facilitate two-axis rotation. The mount may be, for example, a conventional, rotatively adjustable “tip/tilt” mount or gimbal arrangement. In the case of the refractive optic, either the optic itself or the beam path may be adjusted; that is, the optic may be on a tip/tilt mount or the optic may be replaced with two or more mirrors each on tip/tilt mount.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: September 14, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Bryan Lochman, Matthew Sauter, Bien Chann, Wang-Long Zhou
  • POWER AND SPECTRAL MONITORING IN WAVELENGTH BEAM COMBINING LASER SYSTEMS
    Publication number: 20210265822
    Abstract: In various embodiments, monitoring of one or more secondary diffracted beams formed within a laser resonator provides information based at least in part on which a primary diffracted beam formed within the laser resonator is controlled.
    Type: Application
    Filed: March 11, 2021
    Publication date: August 26, 2021
    Inventors: Wang-Long ZHOU, Bryan LOCHMAN, Bien CHANN
  • LASER HEAD CONFIGURATIONS AND TECHNIQUES FOR MATERIALS PROCESSING
    Publication number: 20210197311
    Abstract: In various embodiments, a laser head receives a laser output beam from a laser system or resonator without the use of a delivery optical fiber, and any asymmetry of the laser output beam may be maintained. The laser head may be physically rotatable to control orientation of the laser beam along a processing path on a workpiece.
    Type: Application
    Filed: December 16, 2020
    Publication date: July 1, 2021
    Inventors: Wang-Long ZHOU, Francisco VILLARREAL-SAUCEDO, Bryan LOCHMAN, Bien CHANN
  • SYSTEMS AND METHODS FOR LASER SYSTEMS WITH VARIABLE BEAM PARAMETER PRODUCT
    Publication number: 20210199902
    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: Application
    Filed: January 5, 2021
    Publication date: July 1, 2021
    Inventors: Parviz TAYEBATI, Wang-Long ZHOU, Bien CHANN, Bryan LOCHMAN
  • LASER SYSTEMS UTILIZING FIBER BUNDLES FOR POWER DELIVERY AND BEAM SWITCHING
    Publication number: 20210203123
    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: January 4, 2021
    Publication date: July 1, 2021
    Inventors: Wang-Long ZHOU, Bien CHANN, Francisco VILLARREAL-SAUCEDO, Parviz TAYEBATI
  • OPTICAL FIBER STRUCTURES AND METHODS FOR VARYING LASER BEAM PROFILE
    Publication number: 20210141155
    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: October 22, 2020
    Publication date: May 13, 2021
    Inventors: Wang-Long ZHOU, Francisco VILLARREAL-SAUCEDO, Parviz TAYEBATI, Bien CHANN
  • LASER SYSTEMS UTILIZING CELLULAR-CORE OPTICAL FIBERS FOR BEAM SHAPING
    Publication number: 20210132288
    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: October 28, 2020
    Publication date: May 6, 2021
    Inventors: Francisco VILLARREAL-SAUCEDO, Wang-Long ZHOU, Parviz TAYEBATI
  • COLD-START ACCELERATION FOR WAVELENGTH-BEAM-COMBINING LASER RESONATORS
    Publication number: 20210119421
    Abstract: In various embodiments, cold-start times and performance of wavelength-beam-combining laser resonators are improved via adjustment of the operating wavelengths and/or temperature of beam emitters within the resonators.
    Type: Application
    Filed: October 13, 2020
    Publication date: April 22, 2021
    Inventors: Wang-Long ZHOU, Bien CHANN, Bryan LOCHMAN, Francisco VILLARREAL-SAUCEDO
  • SILOXANE MITIGATION FOR LASER SYSTEMS
    Publication number: 20210119411
    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: October 15, 2020
    Publication date: April 22, 2021
    Inventors: Bryan LOCHMAN, Wang-Long ZHOU, Francisco VILLARREAL-SAUCEDO, Bien CHANN