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:
May. 28, 2024
Filed:
Jun. 12, 2019
Applicant:
Fujikura Ltd., Tokyo, JP;
Inventor:
Shinichi Sakamoto, Chiba, JP;
Assignee:
Fujikura Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 3/067 (2006.01); H01S 3/094 (2006.01); H01S 3/0941 (2006.01); H01S 3/102 (2006.01); H01S 3/131 (2006.01); H01S 3/23 (2006.01);
U.S. Cl.
CPC ...
H01S 3/06704 (2013.01); H01S 3/06708 (2013.01); H01S 3/0675 (2013.01); H01S 3/0941 (2013.01); H01S 3/09415 (2013.01); H01S 3/1022 (2013.01); H01S 3/2383 (2013.01); H01S 3/094053 (2013.01); H01S 3/09408 (2013.01); H01S 3/1312 (2013.01);
Abstract
A fiber laser system including: fiber laser units each including an excitation light source; a combiner that combines laser beams generated by the respective fiber laser units; and a controller that controls strength of a driving current supplied to each of the excitation light sources and reduces a difference in power between the respective laser beams.