公开(公告)号：US06584126B2

公开(公告)日：2003-06-24

申请号：US09750434

申请日：2000-12-28

Applicant: Peidong Wang ,  Daryoosh Vakhshoori ,  Parviz Tayebati

Inventor： Peidong Wang ,  Daryoosh Vakhshoori ,  Parviz Tayebati

IPC: H01S310

CPC classification number: G02B26/001 ,  G01J3/26 ,  G02B6/4203 ,  G02B26/02 ,  G02B26/0816 ,  G02B2006/12104 ,  G02B2006/12121 ,  H01S5/02284 ,  H01S5/041 ,  H01S5/0425 ,  H01S5/0614 ,  H01S5/18316 ,  H01S5/18366 ,  H01S5/18369 ,  H01S5/18388 ,  H01S5/3201

Abstract: A tunable Fabry-Perot filter and a tunable vertical cavity surface emitting laser (VCSEL) are disclosed, where both devices utilize an improved dome structure for creating an internal air gap.

Abstract translation: 公开了可调谐法布里 - 珀罗滤波器和可调谐垂直腔表面发射激光器（VCSEL），其中两个装置利用改进的圆顶结构来产生内部气隙。

公开(公告)号：US06041071A

公开(公告)日：2000-03-21

申请号：US726049

申请日：1996-09-27

Applicant: Parviz Tayebati

Inventor： Parviz Tayebati

IPC: G02F1/035 ,  G02F1/05 ,  G02F1/055 ,  H01S5/022 ,  H01S5/0625 ,  H01S5/14 ,  H01S3/03

CPC classification number: G02F1/0508 ,  G02F1/035 ,  H01S5/141 ,  G02F1/055 ,  G02F2201/346 ,  H01S3/1053 ,  H01S3/1055 ,  H01S3/1067 ,  H01S5/02252 ,  H01S5/02284 ,  H01S5/0683

Abstract: An external cavity mirror for use in a semiconductor laser, the external cavity mirror comprising a waveguide formed on a substrate of highly electro-optic material, and including electrically-operated means for determining the reflectance attributes of the external cavity mirror.

公开(公告)号：US11933990B2

公开(公告)日：2024-03-19

申请号：US17481408

申请日：2021-09-22

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

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

IPC: G02B27/10 ,  F21V13/04 ,  G02B5/08 ,  G02B7/00 ,  G02B27/14 ,  H01S3/10 ,  H01S5/14 ,  H01S5/40 ,  H01S3/094 ,  H01S5/02251

CPC classification number: G02B27/1006 ,  F21V13/04 ,  G02B5/08 ,  G02B7/003 ,  G02B27/106 ,  G02B27/14 ,  H01S3/10 ,  H01S5/143 ,  H01S5/4062 ,  H01S3/094076 ,  H01S5/02251 ,  H01S5/4031 ,  H01S5/405 ,  H01S5/4056

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.

公开(公告)号：US11852838B2

公开(公告)日：2023-12-26

申请号：US17525106

申请日：2021-11-12

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

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

IPC: G02B27/09 ,  B23K26/073 ,  G02B5/00 ,  G02B27/28 ,  G02B5/30

CPC classification number: G02B27/0955 ,  B23K26/073 ,  G02B5/001 ,  G02B27/0927 ,  G02B27/286 ,  G02B5/3083

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.

公开(公告)号：US10916911B2

公开(公告)日：2021-02-09

申请号：US16816564

申请日：2020-03-12

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

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

IPC: H01S5/00 ,  G02B6/42 ,  G02B6/35 ,  B23K26/06 ,  G02B6/036 ,  G02B6/04 ,  H01S5/40

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.

公开(公告)号：US10914902B2

公开(公告)日：2021-02-09

申请号：US16292622

申请日：2019-03-05

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

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

IPC: G02B6/42 ,  G02B6/32 ,  H01S3/23 ,  B23K26/06 ,  G02F1/33 ,  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：US20200335929A1

公开(公告)日：2020-10-22

申请号：US16869729

申请日：2020-05-08

Applicant: Bien Chann ,  Robin Huang ,  Parviz Tayebati

Inventor： Bien Chann ,  Robin Huang ,  Parviz Tayebati

IPC: H01S3/105

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.

公开(公告)号：US10649222B2

公开(公告)日：2020-05-12

申请号：US15789092

申请日：2017-10-20

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

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

IPC: G02B27/10 ,  G02B5/18 ,  G02B19/00 ,  H01S5/40 ,  G02B27/42 ,  G02B26/02 ,  H01S5/14

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.

公开(公告)号：US20200142205A1

公开(公告)日：2020-05-07

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 ,  H01S5/40 ,  G02B27/14

Abstract: A system and method for combining multiple emitters into a multi-wavelength ouput 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：US10541515B2

公开(公告)日：2020-01-21

申请号：US16237824

申请日：2019-01-02

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

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

IPC: H01S5/40 ,  H01S5/02 ,  H01S5/022 ,  H01S5/024 ,  H01S5/00 ,  H01S5/14

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.