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. 04, 2016
Filed:
Mar. 12, 2014
Applicant:
Ofs Fitel, Llc, Norcross, GA (US);
Inventor:
William R Holland, Upper Black Eddy, PA (US);
Assignee:
OFS FITEL, LLC, Norcross, GA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/14 (2006.01); H01S 3/094 (2006.01); G02B 27/09 (2006.01); G02B 6/42 (2006.01); G02B 27/14 (2006.01); G02B 6/10 (2006.01); H01S 3/067 (2006.01);
U.S. Cl.
CPC ...
G02B 6/14 (2013.01); G02B 27/0994 (2013.01); H01S 3/094057 (2013.01); G02B 6/10 (2013.01); G02B 6/4206 (2013.01); G02B 27/14 (2013.01); H01S 3/06733 (2013.01); H01S 3/094053 (2013.01);
Abstract
A waveguide comprises an annular cross-section and a first numerical aperture (NA) at one end. The waveguide further comprises either an annular or circular cross-section at the other end, which has a second NA. The waveguide has a progressively-varying NA, which varies from the first NA (at one end) to the second NA (at the other end).