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1. US20220003921 - MANUFACTURING METHOD OF MULTICORE FIBER PREFORM, MULTICORE FIBER PREFORM, AND MULTICORE FIBER

官庁
アメリカ合衆国
出願番号 17448077
出願日 20.09.2021
公開番号 20220003921
公開日 06.01.2022
公報種別 A1
IPC
G02B 6/02
G物理学
02光学
B光学要素,光学系,または光学装置
6ライトガイド;ライトガイドおよびその他の光素子,例.カップリング,からなる装置の構造的細部
02クラッドを有する光ファイバ
CPC
G02B 6/02042
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
6Light guides
02Optical fibre with cladding ; with or without a coating
02042Multicore optical fibres
出願人 FURUKAWA ELECTRIC CO., LTD.
発明者 Masanori TAKAHASHI
Koichi MAEDA
Shinichi ARAI
Ryuichi SUGIZAKI
Masayoshi TSUKAMOTO
優先権情報 2019-059982 27.03.2019 JP
発明の名称
(EN) MANUFACTURING METHOD OF MULTICORE FIBER PREFORM, MULTICORE FIBER PREFORM, AND MULTICORE FIBER
要約
(EN)

A multicore fiber includes: n pieces of first core regions in a circular shape with a radius r1 that are arranged about points P11 to P1n, and that has a first core portion and a first cladding portion; a second core region in a circular shape with a radius R1 that is arranged about the point a1, and that has a second core portion and a second cladding portion; and a cladding region that is formed on an outer circumferences of the first core region and the second core region. Further, abutting surfaces that are flat surfaces abutting on each other are formed in portions on the outer circumferences of the first core region and the second core region.