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:
Oct. 09, 2012
Filed:
Jul. 07, 2011
Erjun Zang, Beijing, CN;
Yang Zhao, Beijing, CN;
Jianping Cao, Beijing, CN;
YE LI, Beijing, CN;
Zhanjun Fang, Beijing, CN;
Erjun Zang, Beijing, CN;
Yang Zhao, Beijing, CN;
Jianping Cao, Beijing, CN;
Ye Li, Beijing, CN;
Zhanjun Fang, Beijing, CN;
National Istitute of Metrology P.R. China, Beijing, CN;
Abstract
The disclosure discloses a Fabry-Perot (F-P) cavity, which is a folded confocal cavity integrally formed by a monolithic optical element, the folded confocal cavity having three reflection surfaces, wherein a first reflection surface is a plane and at the same time serves as an input/output coupling surface, a second reflection surface is a plane, and a third surface is a spherical surface, curvature radius of which is equal to half of a round trip geometric length of light in the folded confocal cavity. The invention further discloses a laser based on the F-P cavity. The solution of the disclosure solves the problems in existing folded F-P cavity, such as unsatisfactory stability, sensitive to outside inferences, bulky and complicated construction.