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. 26, 2023
Filed:
Feb. 18, 2021
Applicants:
Tomoya Okazaki, Nagakute, JP;
Kazuya Saito, Nagoya, JP;
Edson Haruhico Sekiya, Nagoya, JP;
Inventors:
Assignees:
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
TOYOTA SCHOOL FOUNDATION, Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 3/00 (2006.01); H01S 3/067 (2006.01);
U.S. Cl.
CPC ...
H01S 3/06783 (2013.01); H01S 3/06716 (2013.01); H01S 3/06779 (2013.01);
Abstract
An amplification fiber which can generate a laser beam in a visible region even when a silica glass is used as a base material of a core of the amplification fiber is realized. An amplification fiber according to an embodiment of the present disclosure includes a core configured to generate a laser beam from an excitation beam in a visible region, and a cladding surrounding the core. The core is composed of a core material including Dy, one or more elements selected from Al, Ge, and P, and a silica glass.