Patents by Inventor Bien Chann

Bien Chann 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).

  • 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
  • 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
  • Wavelength beam combining laser systems utilizing lens roll for chief ray focusing
    Patent number: 11353715
    Abstract: In various embodiments, a wavelength beam combining laser system includes a fast-axis collimation lens that is rotated with respect to a plurality of emitters in order to converge the emitted beams onto a dispersive element and/or reduce the size of the multi-wavelength output beam of the system.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: June 7, 2022
    Assignee: TERADIODE, INC.
    Inventors: Michael Deutsch, Daqing Wang, James Zambuto, Bien Chann, Bryan Lochman
  • 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
  • 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
  • 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
  • TWO-DIMENSIONAL MULTI-BEAM STABILIZER AND COMBINING SYSTEMS AND METHODS
    Publication number: 20220131332
    Abstract: A system and method for stabilizing and combining multiple emitted beams into a single system using both WBC and WDM techniques.
    Type: Application
    Filed: November 5, 2021
    Publication date: April 28, 2022
    Inventors: Parviz TAYEBATI, Bien CHANN
  • 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
  • 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
  • SYSTEMS AND METHODS FOR LASER SYSTEMS WITH VARIABLE BEAM PARAMETER PRODUCT UTILIZING THERMO-OPTIC EFFECTS
    Publication number: 20220050353
    Abstract: In various embodiments, a beam-parameter adjustment system and focusing system alters a spatial power distribution of a radiation beam, via thermo-optic effects, before the beam is coupled into an optical fiber or delivered to a workpiece.
    Type: Application
    Filed: September 14, 2021
    Publication date: February 17, 2022
    Inventors: Parviz TAYEBATI, Francisco VILLARREAL-SAUCEDO, Bien CHANN, Dat NGUYEN, Michael DEUTSCH
  • 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
  • PACKAGES FOR HIGH-POWER LASER DEVICES
    Publication number: 20210408759
    Abstract: In various embodiments, a laser emitter such as a diode bar is cooled during operation via jets of cooling fluid formed by ports in a cooler on which the laser emitter is positioned. The jets strike an impingement surface of the cooler that is thermally coupled to the laser emitter but prevents direct contact between the cooling fluid and the laser emitter itself.
    Type: Application
    Filed: July 16, 2021
    Publication date: December 30, 2021
    Inventors: Bryan LOCHMAN, Matthew SAUTER, Bien CHANN, Michael DEUTSCH
  • 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
  • Solder-creep management in high-power laser devices
    Patent number: 11196234
    Abstract: In various embodiments, laser apparatuses include thermal bonding layers between various components and creep-mitigation systems for preventing or retarding movement of thermal bonding material out of the thermal bonding layers.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: December 7, 2021
    Assignee: TERADIODE, INC.
    Inventors: Parviz Tayebati, Bien Chann, Robin Huang, Michael Deutsch
  • Two-dimensional multi-beam stabilizer and combining systems and methods
    Patent number: 11189983
    Abstract: In accordance with various embodiments, a multi-wavelength beam output is formed by stabilizing beams each to a unique wavelength with a stabilizing dispersive element, which reflects a portion of the beam back to its emitter to stabilize the beam and transmits the stabilized beam. The stabilized beams are then transmitted to a combining dispersive element that combines the stabilized beams into the multi-wavelength beam output.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: November 30, 2021
    Assignee: TERADIODE, INC.
    Inventors: Parviz Tayebati, Bien Chann
  • 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