公开(公告)号：US11906752B2

公开(公告)日：2024-02-20

申请号：US17683542

申请日：2022-03-01

Applicant: Wang-Long Zhou ,  Parviz Tayebati ,  Bien Chann ,  Francisco Villarreal-Saucedo

Inventor： Wang-Long Zhou ,  Parviz Tayebati ,  Bien Chann ,  Francisco Villarreal-Saucedo

IPC: G02B27/09 ,  G02B7/00 ,  G02B27/10 ,  G02B27/30 ,  G02B19/00 ,  B23K26/064

CPC classification number: G02B27/0927 ,  G02B7/005 ,  G02B27/1086 ,  B23K26/064 ,  G02B19/0057 ,  G02B27/0944 ,  G02B27/0961 ,  G02B27/30

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.

公开(公告)号：US11635667B2

公开(公告)日：2023-04-25

申请号：US17474269

申请日：2021-09-14

Applicant: Parviz Tayebati ,  Francisco Villarreal-Saucedo ,  Bien Chann ,  Dat Nguyen ,  Michael Deutsch

Inventor： Parviz Tayebati ,  Francisco Villarreal-Saucedo ,  Bien Chann ,  Dat Nguyen ,  Michael Deutsch

IPC: G02F1/29 ,  B23K26/06 ,  G02B6/27 ,  G02B6/32 ,  G02B6/42 ,  G02B27/09 ,  G02B27/10 ,  G02B27/12 ,  G02B27/14 ,  G02F1/01 ,  G02F1/295 ,  G21K5/02

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.

公开(公告)号：US11480846B2

公开(公告)日：2022-10-25

申请号：US17141365

申请日：2021-01-05

Applicant: Parviz Tayebati ,  Wang-Long Zhou ,  Bien Chann ,  Bryan Lochman

Inventor： Parviz Tayebati ,  Wang-Long Zhou ,  Bien Chann ,  Bryan Lochman

IPC: G02B6/42 ,  G02F1/33 ,  B23K26/06 ,  G02B6/32 ,  H01S3/23 ,  G02B6/27 ,  H01S3/00 ,  H01S3/08

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.

公开(公告)号：US11433479B2

公开(公告)日：2022-09-06

申请号：US16658462

申请日：2019-10-21

Applicant: Parviz Tayebati ,  Wang-Long Zhou ,  Bien Chann ,  Robin Huang

Inventor： Parviz Tayebati ,  Wang-Long Zhou ,  Bien Chann ,  Robin Huang

IPC: B23K26/08 ,  B23K26/06 ,  B23K26/064 ,  B23K26/38 ,  G02B27/28 ,  B23K26/21

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.

公开(公告)号：US11327235B2

公开(公告)日：2022-05-10

申请号：US16201341

申请日：2018-11-27

Applicant: Bien Chann ,  Parviz Tayebati ,  Robin Huang ,  Bryan Lochman ,  Wang-Long Zhou ,  Francisco J. Villarreal-Saucedo ,  James Zambuto

Inventor： Bien Chann ,  Parviz Tayebati ,  Robin Huang ,  Bryan Lochman ,  Wang-Long Zhou ,  Francisco J. Villarreal-Saucedo ,  James Zambuto

IPC: G02B6/28 ,  G02B6/27 ,  G02B6/32 ,  G02B3/00 ,  G02B6/42 ,  G02B6/26

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.

公开(公告)号：US11294191B2

公开(公告)日：2022-04-05

申请号：US16515124

申请日：2019-07-18

Applicant: Wang-Long Zhou ,  Parviz Tayebati ,  Bien Chann ,  Francisco Villarreal-Saucedo

Inventor： Wang-Long Zhou ,  Parviz Tayebati ,  Bien Chann ,  Francisco Villarreal-Saucedo

IPC: G02B27/09 ,  G02B7/00 ,  G02B27/10 ,  G02B27/30 ,  G02B19/00 ,  B23K26/064

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.

公开(公告)号：US11143932B2

公开(公告)日：2021-10-12

申请号：US16532689

申请日：2019-08-06

Applicant: Parviz Tayebati ,  Francisco Villarreal-Saucedo ,  Bien Chann ,  Dat Nguyen ,  Michael Deutsch

Inventor： Parviz Tayebati ,  Francisco Villarreal-Saucedo ,  Bien Chann ,  Dat Nguyen ,  Michael Deutsch

IPC: G02F1/29 ,  G02B6/27 ,  G02F1/295 ,  B23K26/06 ,  G02B6/32 ,  G02B27/10 ,  G02B27/12 ,  G02B6/42 ,  G02F1/01 ,  G21K5/02 ,  G02B27/14 ,  G02B27/09

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.

公开(公告)号：US10775636B2

公开(公告)日：2020-09-15

申请号：US16561160

申请日：2019-09-05

Applicant: Robin Huang ,  Bien Chann ,  Parviz Tayebati ,  Mike Cruz

Inventor： Robin Huang ,  Bien Chann ,  Parviz Tayebati ,  Mike Cruz

IPC: G02B27/10 ,  G02B27/14 ,  G02B5/04 ,  G02B21/28 ,  H01S5/40 ,  H01S5/00

Abstract: A system and method for combining multiple emitters into a multi-wavelength output beam having a certain band and combining a plurality of these bands into a single output using non-free space combining modules.

公开(公告)号：US10768373B2

公开(公告)日：2020-09-08

申请号：US16201333

申请日：2018-11-27

Applicant: Wang-Long Zhou ,  Francisco Villarreal-Saucedo ,  Parviz Tayebati ,  Bien Chann

Inventor： Wang-Long Zhou ,  Francisco Villarreal-Saucedo ,  Parviz Tayebati ,  Bien Chann

IPC: G02B6/26 ,  G02B6/32 ,  G02B6/02 ,  G02B6/036 ,  G02B6/34 ,  H01S5/00 ,  G02B17/00 ,  H01S5/14 ,  H01S5/40 ,  G02B6/42 ,  G02B6/12

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.

公开(公告)号：US10256595B2

公开(公告)日：2019-04-09

申请号：US15800429

申请日：2017-11-01

Applicant: Bien Chann ,  Robin Huang ,  Parviz Tayebati

Inventor： Bien Chann ,  Robin Huang ,  Parviz Tayebati

IPC: H01S3/10 ,  H01S3/105 ,  G01N1/38 ,  B01L3/00 ,  G01N1/31 ,  H01S3/08 ,  H01S3/081 ,  H01S3/063 ,  H01S3/1055 ,  H01S5/14 ,  H01S5/022 ,  H01S5/40 ,  H01S5/0625 ,  H01S3/00 ,  H01S5/00 ,  H01S3/101

Abstract: A system and method for tuning and infrared source laser in the Mid-IR wavelength range. The system and method comprising, at least, a plurality of individually tunable emitters, each emitter emitting a beam having a unique wavelength, a grating, a mirror positioned after the grating to receive at least one refracted order of light of at least one beam and to redirect the beam back towards the grating, and a micro-electro-mechanical systems device containing a plurality of adjustable micro-mirrors.