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:
Aug. 16, 2022
Filed:
Dec. 17, 2020
Applicants:
Mitutoyo Corporation, Kanagawa, JP;
3d Innovation Co., Ltd, Sendai Miyagi, JP;
Inventors:
Assignees:
Mitutoyo Corporation, Kanagawa, JP;
3D Innovation Co., Ltd, Sendai Miyagi, JP;
Primary Examiner:
Int. Cl.
CPC ...
G01B 9/02002 (2022.01); G01B 11/14 (2006.01); G01B 11/24 (2006.01); H01S 3/106 (2006.01); H01S 3/067 (2006.01); G01B 9/02015 (2022.01);
U.S. Cl.
CPC ...
G01B 9/02002 (2013.01); G01B 9/02027 (2013.01); G01B 11/14 (2013.01); G01B 11/2441 (2013.01); H01S 3/06791 (2013.01); H01S 3/1062 (2013.01); H01S 3/1068 (2013.01);
Abstract
A laser apparatus, a measurement apparatus, and a measurement method are provided in which the laser apparatus outputs a frequency-modulated laser beam with a plurality of modes and includes: an optical cavity that has a gain medium for amplifying a light to be input, and an optical SSB modulator for shifting a frequency of the light amplified by the gain medium: and a control part that controls the optical SSB modulator to shift a frequency of a light to be input to the optical SSB modulator.