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:
Jul. 24, 2018
Filed:
Dec. 06, 2016
Applicant:
Nanjing Institute of Advanced Laser Technology, Nanjing, CN;
Inventors:
Assignee:
NANJING INSTITUTE OF ADVANCED LASER TECHNOLOGY, Nanjing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/28 (2006.01); G02B 5/00 (2006.01); G02B 5/30 (2006.01);
U.S. Cl.
CPC ...
G02B 27/281 (2013.01); G02B 5/003 (2013.01); G02B 5/3066 (2013.01); G02B 27/283 (2013.01);
Abstract
It relates to a high-power laser attenuator wherein laser is incident into an attenuator housing through a lens barrel; a ½ wave plate, a first lens and a second lens are arranged in sequence on an incident light path along a laser incident direction; the ½ wave plate can rotate around the incident light path, and normal lines of incident planes of the two lenses and the incident light axis are set to form a Brewster angle; a laser absorber assembly is arranged in a reflected light path of the first lens.