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:
Feb. 25, 2020
Filed:
Nov. 16, 2018
Applicant:
Corning Incorporated, Corning, NY (US);
Inventors:
Dana Craig Bookbinder, Corning, NY (US);
Steven Bruce Dawes, Corning, NY (US);
Ming-Jun Li, Horseheads, NY (US);
Pushkar Tandon, Painted Post, NY (US);
Assignee:
Corning Incorporated, Corning, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/028 (2006.01); G02B 6/036 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0281 (2013.01); G02B 6/03627 (2013.01);
Abstract
A co-doped optical fiber is provided having an attenuation of less than about 0.17 dB/km at a wavelength of 1550 nm. The fiber includes a core in the fiber having a graded refractive index profile with an alpha of greater than 5. The fiber also includes a cladding in the fiber that surrounds the core addition, the core includes silica that is co-doped with two or more halogens.