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:
Jan. 07, 2020
Filed:
Aug. 31, 2017
Applicant:
United States of America As Represented BY the Administrator of Nasa, Washington, DC (US);
Inventors:
Mark A. Stephen, Catonsville, MD (US);
Anthony W. Yu, Spencerville, MD (US);
Jeffrey W. Nicholson, Warren, NJ (US);
Assignee:
United States of America as represented by the Administrator of NASA, Washington, DC (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01S 3/067 (2006.01); G02B 6/024 (2006.01); H01S 3/16 (2006.01); G02B 6/02 (2006.01); H01S 3/0941 (2006.01); H01S 3/094 (2006.01); H01S 3/23 (2006.01);
U.S. Cl.
CPC ...
H01S 3/0677 (2013.01); G02B 6/024 (2013.01); G02B 6/02009 (2013.01); G02B 6/02052 (2013.01); H01S 3/06712 (2013.01); H01S 3/0941 (2013.01); H01S 3/094046 (2013.01); H01S 3/1608 (2013.01); H01S 3/2391 (2013.01); H01S 3/06729 (2013.01); H01S 3/094003 (2013.01);
Abstract
The disclosed subject matter relates to a polarization-maintaining very large mode area (PM VLMA) Erbium-doped fiber and a polarization maintaining, Er-doped VLMA amplifier.