JPS5813504U - Low crosstalk multi-core optical fiber - Google Patents

Low crosstalk multi-core optical fiber

Info

Publication number
JPS5813504U
JPS5813504U JP10686381U JP10686381U JPS5813504U JP S5813504 U JPS5813504 U JP S5813504U JP 10686381 U JP10686381 U JP 10686381U JP 10686381 U JP10686381 U JP 10686381U JP S5813504 U JPS5813504 U JP S5813504U
Authority
JP
Japan
Prior art keywords
optical fiber
core optical
low crosstalk
crosstalk multi
refractive index
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP10686381U
Other languages
Japanese (ja)
Inventor
松本 隆男
宮永 滋己
Original Assignee
日本電信電話株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日本電信電話株式会社 filed Critical 日本電信電話株式会社
Priority to JP10686381U priority Critical patent/JPS5813504U/en
Publication of JPS5813504U publication Critical patent/JPS5813504U/en
Pending legal-status Critical Current

Links

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第1図Aは通常の光ファイバを示す断面図、第1図Bは
その屈折率分布図、第2図はマルチコア光ファイバの例
を示す断面図、第3図は従来のマルチコア光ファイバで
発生していた漏話の現象を説明する図、第4図はこの考
案の実施例を示す断面図、第5図はこの考案の機能を説
明するための図、第6図及び第7図はそれぞれこの考案
の他の実施例を示す断面図である。 1:コア部、2:クラッド(ジャケット)部、3:高損
失特性をもつ損失層、4a、  4bHコア内を伝搬す
る光。
Figure 1A is a cross-sectional view of a normal optical fiber, Figure 1B is its refractive index distribution diagram, Figure 2 is a cross-sectional view of an example of a multi-core optical fiber, and Figure 3 is a cross-sectional view of a conventional multi-core optical fiber. Figure 4 is a cross-sectional view showing an embodiment of this invention, Figure 5 is a diagram explaining the function of this invention, and Figures 6 and 7 are each a diagram illustrating the phenomenon of crosstalk. FIG. 7 is a sectional view showing another embodiment of the invention. 1: core part, 2: cladding (jacket) part, 3: loss layer with high loss characteristics, 4a, 4bH Light propagating in the core.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 相対的に屈折率の大きい複数のコアを、相対的に屈折率
の小さいクラッドで覆うことによって実現されたマルチ
コア光ファイバにおいて、上記隣接スるコア間のクラッ
ド部に、光に対し−で高損失特性を持つ損失層が設けら
れている低漏話マルチコア光ファイバ。
In a multi-core optical fiber realized by covering multiple cores with a relatively high refractive index with a cladding with a relatively low refractive index, the cladding portion between the adjacent cores has a high loss of − for light. A low crosstalk multicore optical fiber that is provided with a loss layer with characteristics.
JP10686381U 1981-07-17 1981-07-17 Low crosstalk multi-core optical fiber Pending JPS5813504U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10686381U JPS5813504U (en) 1981-07-17 1981-07-17 Low crosstalk multi-core optical fiber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10686381U JPS5813504U (en) 1981-07-17 1981-07-17 Low crosstalk multi-core optical fiber

Publications (1)

Publication Number Publication Date
JPS5813504U true JPS5813504U (en) 1983-01-27

Family

ID=29901319

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10686381U Pending JPS5813504U (en) 1981-07-17 1981-07-17 Low crosstalk multi-core optical fiber

Country Status (1)

Country Link
JP (1) JPS5813504U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010082656A1 (en) * 2009-01-19 2010-07-22 住友電気工業株式会社 Multi-core optical fiber
JP2011170062A (en) * 2010-02-18 2011-09-01 Nippon Telegr & Teleph Corp <Ntt> Optical fiber and method of manufacturing the same, and optical fiber preform and method of manufacturing the same
JP2013003201A (en) * 2011-06-13 2013-01-07 Nippon Telegr & Teleph Corp <Ntt> Multi-core fiber and connection method thereof
CN103080797A (en) * 2010-08-30 2013-05-01 住友电气工业株式会社 Multicore optical fiber
JPWO2013141112A1 (en) * 2012-03-23 2015-08-03 住友電気工業株式会社 Interference measurement device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010082656A1 (en) * 2009-01-19 2010-07-22 住友電気工業株式会社 Multi-core optical fiber
CN102282488A (en) * 2009-01-19 2011-12-14 住友电气工业株式会社 Multi-core optical fiber
JPWO2010082656A1 (en) * 2009-01-19 2012-07-05 住友電気工業株式会社 Multi-core optical fiber
JP2011170062A (en) * 2010-02-18 2011-09-01 Nippon Telegr & Teleph Corp <Ntt> Optical fiber and method of manufacturing the same, and optical fiber preform and method of manufacturing the same
CN103080797A (en) * 2010-08-30 2013-05-01 住友电气工业株式会社 Multicore optical fiber
JP6032009B2 (en) * 2010-08-30 2016-11-24 住友電気工業株式会社 Multi-core optical fiber
JP2013003201A (en) * 2011-06-13 2013-01-07 Nippon Telegr & Teleph Corp <Ntt> Multi-core fiber and connection method thereof
JPWO2013141112A1 (en) * 2012-03-23 2015-08-03 住友電気工業株式会社 Interference measurement device

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