The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 8828624 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 09, 2014

Filed:

Aug. 03, 2009
Applicants:

Valentin P Gapontsev, Worcester, MA (US);

Alex Ovtchinnikov, Worcester, MA (US);

Dmitry Starodubov, Dudley, MA (US);

Alexey Komissarov, Charlton, MA (US);

Inventors:

Valentin P Gapontsev, Worcester, MA (US);

Alex Ovtchinnikov, Worcester, MA (US);

Dmitry Starodubov, Dudley, MA (US);

Alexey Komissarov, Charlton, MA (US);

Assignee:

IPG Photonics Corporation, Oxford, MA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G03H 1/30 (2006.01); G03H 1/02 (2006.01); G03F 7/00 (2006.01); G02B 5/18 (2006.01); G03H 1/20 (2006.01);
U.S. Cl.
CPC ...
G03F 7/001 (2013.01); G03H 2222/36 (2013.01); G03H 1/0248 (2013.01); G03H 2227/03 (2013.01); G02B 5/1857 (2013.01); G03H 1/30 (2013.01); G03H 2001/205 (2013.01); G03H 2001/0268 (2013.01);
Abstract

A system for recording multiple volume Bragg gratings (VBGs) in a photo thermo-refractive material is configured to implement a method which provides for irradiating the material by a coherent light through a phase mask. The system has a plurality of actuators operative to displace the light source, phase mask and material relative to one another so as to mass produce multiple units of the material each having one or more uniformly configured VBGs.


Find Patent Forward Citations

Gapontsev, Valentin. (2014). Method and device for fabricating volume bragg gratings (U.S. Patent No. 8828624). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8828624

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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