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:
Feb. 06, 2018
Filed:
Jan. 09, 2017
Applicant:
Inter-university Research Institute Corporation National Institutes of Natural Sciences, Mitaka-shi, Tokyo, JP;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 3/11 (2006.01); H01S 3/0941 (2006.01); H01S 3/16 (2006.01);
U.S. Cl.
CPC ...
H01S 3/1115 (2013.01); H01S 3/0941 (2013.01); H01S 3/1611 (2013.01); H01S 3/1643 (2013.01);
Abstract
Provided is a passive Q-switch laser device possessing a power density controller () making power density of excitation light from an excitation light source () equal to or greater than power density so that delay time required for reaching oscillation after start of excitation of a laser gain medium () becomes equal to or shorter than a laser upper energy level lifetime of the laser gain medium ().