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. 22, 1992
Filed:
Dec. 18, 1990
Applicant:
Inventors:
Shigeru Ohmori, Osaka, JP;
Yoichi Sasai, Hirakata, JP;
Assignee:
Matsushita Electric Indutrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S / ;
U.S. Cl.
CPC ...
372107 ; 372 21 ; 372 22 ; 372 29 ; 372 33 ;
Abstract
A laser source with small output fluctuations due to variations in ambient temperature. The frequency doubler, which has an optical waveguide formed on the substrate of its nonlinear optical crystal, and the laser generator are fixed on the same optical axis within the lens barrel. Moreover, the material used for the lens barrel has a thermal expansion coefficient which is substantially similar to that of the nonlinear optical crystal.