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:
May. 26, 2020
Filed:
Oct. 30, 2018
Fujikura Ltd., Tokyo, JP;
National University Corporation Hokkaido University, Sapporo-shi, Hokkaido, JP;
Katsuhiro Takenaga, Sakura, JP;
Shoichiro Matsuo, Sakura, JP;
Yusuke Sasaki, Sakura, JP;
Kunimasa Saitoh, Sapporo, JP;
FUJIKURA LTD., Tokyo, JP;
NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY, Sapporo-shi, Hokkaido, JP;
Abstract
A multicore fiber for communicationwhich allows propagation of an optical signal includes: a clad; a corewhich is arranged in a center of the clad; and seven to ten coreswhich are arranged at equal intervals surrounding the core, and the cladding diameter is 230 μm, distances between centers of the mutually neighboring coresandare 30 μm or more, distances between the centers of the coresand an outer peripheral surface of the cladare 35 μm or more and a mode field diameter of light propagating in the coresandis 9 μm to 13 μm.