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.:
Date of Patent:
Sep. 20, 2022
Filed:
Mar. 27, 2019
Applicant:
Fujikura Ltd., Tokyo, JP;
Inventor:
Shinichi Sakamoto, Chiba, JP;
Assignee:
Fujikura Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 3/30 (2006.01); H01S 3/067 (2006.01); H01S 3/23 (2006.01); H01S 3/094 (2006.01); B23K 26/00 (2014.01);
U.S. Cl.
CPC ...
H01S 3/302 (2013.01); H01S 3/0675 (2013.01); H01S 3/2383 (2013.01); B23K 26/009 (2013.01); H01S 3/094003 (2013.01); H01S 3/094053 (2013.01); H01S 2301/03 (2013.01);
Abstract
A fiber laser device includes: an amplifying fiber; a delivery fiber in which laser light that has been outputted from the amplifying fiber is guided; and a Raman filter that reflects part of Raman scattered light that is generated by stimulated Raman scattering caused to the laser light.