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. 08, 2017
Filed:
Apr. 09, 2015
Applicant:
Raytheon Company, Waltham, MA (US);
Inventors:
David M. Filgas, Newbury Park, CA (US);
Robert D. Stultz, Cypress, CA (US);
Assignee:
RAYTHEON COMPANY, Waltham, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 6/26 (2006.01); G02B 6/42 (2006.01); G02B 6/10 (2006.01); G02B 6/122 (2006.01); G02B 6/12 (2006.01); H01S 3/063 (2006.01); H01S 3/06 (2006.01); H01S 3/08 (2006.01); H01S 3/0941 (2006.01); H01S 3/042 (2006.01); H01S 3/16 (2006.01);
U.S. Cl.
CPC ...
G02B 6/1228 (2013.01); G02B 6/12007 (2013.01); G02B 6/4296 (2013.01); G02B 6/4298 (2013.01); H01S 3/0617 (2013.01); H01S 3/0632 (2013.01); H01S 3/0637 (2013.01); G02B 2006/12159 (2013.01); H01S 3/042 (2013.01); H01S 3/0625 (2013.01); H01S 3/08072 (2013.01); H01S 3/09415 (2013.01); H01S 3/1643 (2013.01);
Abstract
A planar wave guide (PWG) having a first end for coupling to a light pump and a second end opposite to the first end and including a first cladding layer; a second cladding layer; and a uniformly doped core layer between the first cladding layer and the second cladding layer, wherein the core layer is tapered having a smaller thickness at the first end and a larger thickness at the second end, and wherein a ratio of the core thickness to thickness of the cladding layers is smaller at the first end and larger at the second end.