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).

  • Power and spectral monitoring in wavelength beam combining laser systems
    Patent number: 10985534
    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: Grant
    Filed: May 21, 2019
    Date of Patent: April 20, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Wang-Long Zhou, Bryan Lochman, Bien Chann
  • DUAL-WAVELENGTH LASER SYSTEMS AND MATERIAL PROCESSING UTILIZING SUCH SYSTEMS
    Publication number: 20210039200
    Abstract: In various embodiments, laser beams of two different wavelengths are utilized, sequentially and/or simultaneously, to process workpieces in various processing stages such as melting, piercing, cutting, and welding.
    Type: Application
    Filed: August 4, 2020
    Publication date: February 11, 2021
    Inventors: Wang-Long ZHOU, Francisco VILLARREAL-SAUCEDO, Bien CHANN, Mark MORDARSKI, Bryan LOCHMAN
  • Laser systems utilizing fiber bundles for power delivery and beam switching
    Patent number: 10916911
    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: March 12, 2020
    Date of Patent: February 9, 2021
    Assignee: TERADIODE, INC.
    Inventors: Wang-Long Zhou, Bien Chann, Francisco Villarreal-Saucedo, Parviz Tayebati
  • Methods for altering properties of a radiation beam
    Patent number: 10914902
    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: March 5, 2019
    Date of Patent: February 9, 2021
    Assignee: TERADIODE, INC.
    Inventors: Parviz Tayebati, Wang-Long Zhou, Bien Chann, Bryan Lochman
  • Laser systems utilizing cellular-core optical fibers for beam shaping
    Patent number: 10852471
    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: July 26, 2019
    Date of Patent: December 1, 2020
    Assignee: TERADIODE, INC.
    Inventors: Francisco Villarreal-Saucedo, Wang-Long Zhou, Parviz Tayebati
  • Optical fiber structures and methods for varying laser beam profile
    Patent number: 10845545
    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: August 30, 2018
    Date of Patent: November 24, 2020
    Assignee: TERADIODE, INC.
    Inventors: Wang-Long Zhou, Francisco Villarreal-Saucedo, Parviz Tayebati, Bien Chann
  • WAVELENGTH BEAM COMBINING LASER SYSTEMS WITH MICRO-OPTICS
    Publication number: 20200355931
    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: Application
    Filed: April 6, 2020
    Publication date: November 12, 2020
    Inventors: Parviz Tayebati, Bien Chann, Robin Huang, Wang-Long Zhou
  • WAVELENGTH BEAM COMBINING LASER SYSTEMS UTILIZING PRISMS FOR BEAM QUALITY IMPROVEMENT AND BANDWIDTH REDUCTION
    Publication number: 20200310010
    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: Application
    Filed: April 16, 2020
    Publication date: October 1, 2020
    Inventors: Wang-Long ZHOU, Bien CHANN, Daniel Gary DUGMORE, Mike CRUZ
  • Optical fiber structures and methods for varying laser beam profile
    Patent number: 10768373
    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: November 27, 2018
    Date of Patent: September 8, 2020
    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
    Publication number: 20200280165
    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: March 12, 2020
    Publication date: September 3, 2020
    Inventors: Wang-Long ZHOU, Bien CHANN, Francisco VILLARREAL-SAUCEDO, Parviz TAYEBATI
  • SYSTEMS AND METHODS FOR ALIGNMENT OF WAVELENGTH BEAM COMBINING RESONATORS
    Publication number: 20200241313
    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: January 24, 2020
    Publication date: July 30, 2020
    Inventors: Wang-Long ZHOU, Bien CHANN
  • HIGH-POWER LASER SYSTEMS WITH MODULAR DIODE SOURCES
    Publication number: 20200185886
    Abstract: In various embodiments, a modular laser system features an enclosure having interfaces for accepting input laser beam modules, optical elements for combining beams from the modules into a combined output beam, and a heat-exchange manifold for interfacing with and cooling the modules during operation.
    Type: Application
    Filed: December 11, 2019
    Publication date: June 11, 2020
    Inventors: Parviz TAYEBATI, Bien CHANN, Bryan LOCHMAN, Matthew SAUTER, Wang-Long ZHOU
  • WAVELENGTH BEAM COMBINING LASER SYSTEMS WITH HIGH BEAM QUALITY FACTOR
    Publication number: 20200174264
    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: November 12, 2019
    Publication date: June 4, 2020
    Inventors: Parviz Tayebati, Wang-Long Zhou, Bien Chann, Robin Huang, Michael Cruz
  • Wavelength beam combining laser systems utilizing prisms for beam quality improvement and bandwidth reduction
    Patent number: 10656429
    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: March 7, 2019
    Date of Patent: May 19, 2020
    Assignee: TERADIODE, INC.
    Inventors: Wang-Long Zhou, Bien Chann, Daniel Gary Dugmore, Mike Cruz
  • OPTICAL FIBER STRUCTURES AND METHODS FOR BEAM SHAPING
    Publication number: 20200147720
    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: November 6, 2019
    Publication date: May 14, 2020
    Inventors: Wang-Long ZHOU, Francisco VILLARREAL-SAUCEDO
  • Wavelength beam combining laser systems with micro-optics
    Patent number: 10649222
    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: October 20, 2017
    Date of Patent: May 12, 2020
    Assignee: TERADIODE, INC.
    Inventors: Parviz Tayebati, Bien Chann, Robin Huang, Wang-Long Zhou
  • Laser systems utilizing fiber bundles for power delivery and beam switching
    Patent number: 10630047
    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 11, 2019
    Date of Patent: April 21, 2020
    Assignee: TERADIODE, INC.
    Inventors: Wang-Long Zhou, Bien Chann, Francisco Villarreal-Saucedo, Parviz Tayebati
  • POLARIZATION-ADJUSTED BEAM OPERATION FOR MATERIALS PROCESSING
    Publication number: 20200114466
    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: Application
    Filed: October 21, 2019
    Publication date: April 16, 2020
    Inventors: Parviz Tayebati, Wang-Long Zhou, Bien Chann, Robin Huang
  • LASER SYSTEM WITH STAIRCASED SLOW-AXIS COLLIMATORS
    Publication number: 20200119525
    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 10, 2019
    Publication date: April 16, 2020
    Inventors: Wang-Long Zhou, Bryan Lochman, Bien Chann, Matthew Sauter
  • Wavelength beam combining laser systems with micro-optics
    Patent number: 10606089
    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: May 30, 2018
    Date of Patent: March 31, 2020
    Assignee: TERADIODE, INC.
    Inventors: Parviz Tayebati, Bien Chann, Robin Huang, Wang-Long Zhou