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. 20, 2018
Filed:
May. 12, 2016
Applicant:
Fujikura Ltd., Tokyo, JP;
Inventors:
Assignee:
FUJIKURA LTD., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/02 (2006.01); G02B 6/024 (2006.01);
U.S. Cl.
CPC ...
G02B 6/02042 (2013.01); G02B 6/024 (2013.01); G02B 6/02314 (2013.01);
Abstract
A multicore polarization-maintaining fiberincludes a plurality of cores, a claddingsurrounding the plurality of cores, and a plurality of stress applying partsprovided sandwiching the plurality of coresin a region surrounded by the outer circumferential surface of the cladding. The cross sectional area of the stress applying partis greater than the cross sectional area of the core. Stress applying partsof the plurality of stress applying partsare disposed in a first direction, and stress applying partsof the plurality of stress applying partsare disposed in a second direction different from the first direction.