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WO2008105173A1 - 光ファイバ - Google Patents

光ファイバ Download PDF

Info

Publication number
WO2008105173A1
WO2008105173A1 PCT/JP2008/000350 JP2008000350W WO2008105173A1 WO 2008105173 A1 WO2008105173 A1 WO 2008105173A1 JP 2008000350 W JP2008000350 W JP 2008000350W WO 2008105173 A1 WO2008105173 A1 WO 2008105173A1
Authority
WO
WIPO (PCT)
Prior art keywords
optical fiber
core
cover
outer diameter
disclosed
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.)
Ceased
Application number
PCT/JP2008/000350
Other languages
English (en)
French (fr)
Inventor
Haruo Ooizumi
Masatoshi Tanaka
Hiromasa Tanobe
Yoshihisa Sakai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Cable Industries Ltd
NTT Inc
Original Assignee
Mitsubishi Cable Industries Ltd
Nippon Telegraph and Telephone Corp
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 Mitsubishi Cable Industries Ltd, Nippon Telegraph and Telephone Corp filed Critical Mitsubishi Cable Industries Ltd
Publication of WO2008105173A1 publication Critical patent/WO2008105173A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
    • G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
    • G02B6/03661—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 4 layers only
    • G02B6/03683—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 4 layers only arranged - - + +
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
    • G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
    • G02B6/03622—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only
    • G02B6/03627—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only arranged - +

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)

Abstract

　光ファイバの曲げ損失特性を、空孔を設けることなく改善できるようにすべく、外径Ｄ１が、Ｄ１＝７～９μｍである第１コア１０と、この第１コア１０を覆うように設けられていて、外径Ｄ２が、Ｄ２＝４５～６５μｍである第２コア２０と、この第２コア２０を覆うように設けられたクラッド３０とを備えるようにする。
PCT/JP2008/000350 2007-02-26 2008-02-26 光ファイバ Ceased WO2008105173A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007045364A JP2008209603A (ja) 2007-02-26 2007-02-26 光ファイバ
JP2007-045364 2007-02-26

Publications (1)

Publication Number Publication Date
WO2008105173A1 true WO2008105173A1 (ja) 2008-09-04

Family

ID=39721015

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/000350 Ceased WO2008105173A1 (ja) 2007-02-26 2008-02-26 光ファイバ

Country Status (2)

Country Link
JP (1) JP2008209603A (ja)
WO (1) WO2008105173A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2007119509A1 (ja) * 2006-04-05 2009-08-27 日本電信電話株式会社 ダブルコア光ファイバ
CN105334568A (zh) * 2015-11-30 2016-02-17 中天科技精密材料有限公司 一种低损耗大有效面积单模光纤及其光纤预制棒制造方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101861537A (zh) 2007-11-19 2010-10-13 三菱电线工业株式会社 光纤及其制造方法
JP2018055043A (ja) * 2016-09-30 2018-04-05 株式会社アマダホールディングス 光ファイバコンバイナ及びレーザ装置

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5619008A (en) * 1979-07-25 1981-02-23 Nippon Telegr & Teleph Corp <Ntt> Optical fiber and its manufacture
JPS61122612A (ja) * 1984-11-20 1986-06-10 Hitachi Cable Ltd 光フアイバ
JPH0273203A (ja) * 1988-09-08 1990-03-13 Nippon Telegr & Teleph Corp <Ntt> 光ファイバ
JPH02273728A (ja) * 1989-04-17 1990-11-08 Nippon Telegr & Teleph Corp <Ntt> 機能性光導波媒体
JPH03211505A (ja) * 1990-01-17 1991-09-17 Sumitomo Electric Ind Ltd 光ファイバ
JPH03238883A (ja) * 1990-02-15 1991-10-24 Shin Etsu Chem Co Ltd 光増幅用ファイバ
JPH03251825A (ja) * 1990-03-01 1991-11-11 Mitsubishi Electric Corp 光増幅器
JPH07211980A (ja) * 1994-01-26 1995-08-11 Nippon Telegr & Teleph Corp <Ntt> 光ファイバ増幅器
JPH10503885A (ja) * 1994-07-29 1998-04-07 ポラロイド コーポレイション ポンプパワーを有効に使用するための光ファイバ構造
JPH11112070A (ja) * 1997-08-07 1999-04-23 Lucent Technol Inc ファイバレーザ
JPH11142672A (ja) * 1997-09-11 1999-05-28 Lucent Technol Inc シリカベースの光ファイバを有する物品
WO1999054765A1 (en) * 1998-04-22 1999-10-28 Sumitomo Electric Industries, Ltd. Optical fiber, light-emitting module, and optical fiber amplifier
JP2001135878A (ja) * 1999-09-24 2001-05-18 Alcatel 光ファイバ光増幅器
JP2005250068A (ja) * 2004-03-03 2005-09-15 Nippon Telegr & Teleph Corp <Ntt> 単一モード／マルチモード共用光ファイバ
WO2007119509A1 (ja) * 2006-04-05 2007-10-25 Nippon Telegraph And Telephone Corporation ダブルコア光ファイバ

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60226422A (ja) * 1984-04-20 1985-11-11 Sumitomo Electric Ind Ltd シングルモ−ドフアイバ用中間体の製造方法
JPS60255639A (ja) * 1984-05-31 1985-12-17 Sumitomo Electric Ind Ltd 光フアイバ用ガラス母材の製造方法
CA1271316A (en) * 1984-12-21 1990-07-10 Koichi Abe Optical waveguide manufacture
JPS63189809A (ja) * 1987-02-02 1988-08-05 Nippon Telegr & Teleph Corp <Ntt> 単一モ−ド光フアイバ
JP2002277665A (ja) * 2001-03-22 2002-09-25 Mitsubishi Cable Ind Ltd 光ファイバモジュール

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5619008A (en) * 1979-07-25 1981-02-23 Nippon Telegr & Teleph Corp <Ntt> Optical fiber and its manufacture
JPS61122612A (ja) * 1984-11-20 1986-06-10 Hitachi Cable Ltd 光フアイバ
JPH0273203A (ja) * 1988-09-08 1990-03-13 Nippon Telegr & Teleph Corp <Ntt> 光ファイバ
JPH02273728A (ja) * 1989-04-17 1990-11-08 Nippon Telegr & Teleph Corp <Ntt> 機能性光導波媒体
JPH03211505A (ja) * 1990-01-17 1991-09-17 Sumitomo Electric Ind Ltd 光ファイバ
JPH03238883A (ja) * 1990-02-15 1991-10-24 Shin Etsu Chem Co Ltd 光増幅用ファイバ
JPH03251825A (ja) * 1990-03-01 1991-11-11 Mitsubishi Electric Corp 光増幅器
JPH07211980A (ja) * 1994-01-26 1995-08-11 Nippon Telegr & Teleph Corp <Ntt> 光ファイバ増幅器
JPH10503885A (ja) * 1994-07-29 1998-04-07 ポラロイド コーポレイション ポンプパワーを有効に使用するための光ファイバ構造
JPH11112070A (ja) * 1997-08-07 1999-04-23 Lucent Technol Inc ファイバレーザ
JPH11142672A (ja) * 1997-09-11 1999-05-28 Lucent Technol Inc シリカベースの光ファイバを有する物品
WO1999054765A1 (en) * 1998-04-22 1999-10-28 Sumitomo Electric Industries, Ltd. Optical fiber, light-emitting module, and optical fiber amplifier
JP2001135878A (ja) * 1999-09-24 2001-05-18 Alcatel 光ファイバ光増幅器
JP2005250068A (ja) * 2004-03-03 2005-09-15 Nippon Telegr & Teleph Corp <Ntt> 単一モード／マルチモード共用光ファイバ
WO2007119509A1 (ja) * 2006-04-05 2007-10-25 Nippon Telegraph And Telephone Corporation ダブルコア光ファイバ

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
MATSUI T. ET AL.: "Single/Multi Mode Kyoyo Hikari Fiber no Kento", 2004 NEN THE INSTITUTE OF ELECTRONIC, INFORMATION AND COMMUNICATION ENGINEERS SOGO TAIKAI KOEN RONBUNSHU ELECTRONICS 1, 8 March 2004 (2004-03-08), pages 301 + LECTURE NO. C-3-127 *
TANOBE H. ET AL.: "SM/MM Kyoyo Double Core Hikari Fiber", 2007 NEN THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS SOGO TAIKAI KOEN RONBUNSHU ELECTRONICS, 7 March 2007 (2007-03-07), pages 215 + LECTURE NO. C-3-59 *
TANOBE H. ET AL.: "SM/MM Kyoyo Dual Mode Hikari Fiber", IEICE TECHNICAL REPORT, vol. 107, no. 190, 16 August 2007 (2007-08-16), pages 27 - 32 + ABSTR. NO. OCS2007-37 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2007119509A1 (ja) * 2006-04-05 2009-08-27 日本電信電話株式会社 ダブルコア光ファイバ
CN105334568A (zh) * 2015-11-30 2016-02-17 中天科技精密材料有限公司 一种低损耗大有效面积单模光纤及其光纤预制棒制造方法

Also Published As

Publication number Publication date
JP2008209603A (ja) 2008-09-11

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