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:
Dec. 05, 2023
Filed:
Jan. 10, 2022
Applicant:
Gigaphoton Inc., Tochigi, JP;
Inventor:
Hirotaka Miyamoto, Oyama, JP;
Assignee:
Gigaphoton Inc., Tochigi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01S 3/00 (2006.01); G02B 17/02 (2006.01); G02B 17/06 (2006.01); G03F 7/00 (2006.01); H01S 3/23 (2006.01);
U.S. Cl.
CPC ...
H01S 3/0057 (2013.01); G02B 17/023 (2013.01); G02B 17/0657 (2013.01); G03F 7/70191 (2013.01); H01S 3/0014 (2013.01); H01S 3/2308 (2013.01);
Abstract
An optical pulse stretcher includes a first delay optical system including a plurality of concave toroidal mirrors; and a beam splitter including a first surface and a second surface, causing a part of pulse laser light incident on the first surface to be transmitted in a first direction and output as a first beam and another part thereof to be reflected in a second direction and enter the first delay optical system, and causing a part of pulse laser light incident on the second surface from the first delay optical system to be reflected in the first direction and output as a second beam.