JP7525053B2 - 多心無反射終端部および光線路試験方法 - Google Patents

多心無反射終端部および光線路試験方法 Download PDF

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Publication number
JP7525053B2
JP7525053B2 JP2023508354A JP2023508354A JP7525053B2 JP 7525053 B2 JP7525053 B2 JP 7525053B2 JP 2023508354 A JP2023508354 A JP 2023508354A JP 2023508354 A JP2023508354 A JP 2023508354A JP 7525053 B2 JP7525053 B2 JP 7525053B2
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Prior art keywords
core
connector
fiber
optical
input
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Japanese (ja)
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JPWO2022201474A1 (https=
Inventor
圭高 榎本
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NTT Inc
NTT Inc USA
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Nippon Telegraph and Telephone Corp
NTT Inc USA
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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/36Mechanical coupling means
    • G02B6/38Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807Dismountable connectors, i.e. comprising plugs
    • G02B6/381Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
    • G02B6/3818Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type
    • G02B6/3822Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type with beveled fibre ends
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/42Coupling light guides with opto-electronic elements
    • G02B6/43Arrangements comprising a plurality of opto-electronic elements and associated optical interconnections
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/30Testing of optical devices, constituted by fibre optics or optical waveguides
    • G01M11/31Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter and a light receiver being disposed at the same side of a fibre or waveguide end-face, e.g. reflectometers
    • G01M11/3109Reflectometers detecting the back-scattered light in the time-domain, e.g. OTDR
    • G01M11/3154Details of the opto-mechanical connection, e.g. connector or repeater
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/07Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/071Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using a reflected signal, e.g. using optical time domain reflectometers [OTDR]
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/28Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/36Mechanical coupling means
    • G02B6/38Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807Dismountable connectors, i.e. comprising plugs
    • G02B6/3873Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
    • G02B6/3885Multicore or multichannel optical connectors, i.e. one single ferrule containing more than one fibre, e.g. ribbon type
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439Auxiliary devices
    • G02B6/4471Terminating devices ; Cable clamps
    • G02B6/44715Fan-out devices

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Signal Processing (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Optical Communication System (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Optical Couplings Of Light Guides (AREA)
JP2023508354A 2021-03-25 2021-03-25 多心無反射終端部および光線路試験方法 Active JP7525053B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/012731 WO2022201474A1 (ja) 2021-03-25 2021-03-25 多心無反射終端部および光線路試験方法

Publications (2)

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JPWO2022201474A1 JPWO2022201474A1 (https=) 2022-09-29
JP7525053B2 true JP7525053B2 (ja) 2024-07-30

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JP2023508354A Active JP7525053B2 (ja) 2021-03-25 2021-03-25 多心無反射終端部および光線路試験方法

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US (1) US20240126030A1 (https=)
JP (1) JP7525053B2 (https=)
WO (1) WO2022201474A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN120677365A (zh) * 2023-02-15 2025-09-19 住友电气工业株式会社 空间信道间串扰测定方法、多芯光纤的芯间串扰测定方法、空间信道间串扰测定装置及多芯光纤的芯间串扰测定装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002139631A (ja) 2000-11-02 2002-05-17 Sumitomo Electric Ind Ltd 多心/単心コネクタ変換装置
WO2009153930A1 (ja) 2008-06-18 2009-12-23 株式会社巴川製紙所 光伝送媒体、フェルール、光終端コネクタ、光学構造及び光学機器
US20110103803A1 (en) 2009-10-29 2011-05-05 Paul Kolesar Optical Fiber Array Connectivity System for Multiple Transceivers and/or Multiple Trunk Cables
JP2012530936A (ja) 2009-06-17 2012-12-06 コーニング ケーブル システムズ リミテッド ライアビリティ カンパニー 高速データレート伝送システム用光相互接続
US20160091674A1 (en) 2014-09-29 2016-03-31 Virtual Instruments Corporation Angled-polished connector terminations in multimode applications
US20190339458A1 (en) 2018-05-03 2019-11-07 Panduit Corp. Angle polished multi-fiber connector

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0540210A (ja) * 1991-08-06 1993-02-19 Furukawa Electric Co Ltd:The 光分岐線路の終端装置
JP2714733B2 (ja) * 1992-01-20 1998-02-16 日本電信電話株式会社 光線路試験方式
JPH0618744A (ja) * 1992-04-27 1994-01-28 Nippon Telegr & Teleph Corp <Ntt> 光分岐ユニット及びこのユニットに用いる導波路型光カプラモジュール
JP3253472B2 (ja) * 1994-12-09 2002-02-04 株式会社フジクラ 光ファイバの無反射終端部
JPH08327830A (ja) * 1995-06-02 1996-12-13 Sumitomo Electric Ind Ltd 光部品収納トレイ
JP3042595B2 (ja) * 1995-11-20 2000-05-15 古河電気工業株式会社 光線路保守システム
US8009959B2 (en) * 2009-06-17 2011-08-30 Corning Cable Systems Llc Optical interconnection methods for high-speed data-rate optical transport systems

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002139631A (ja) 2000-11-02 2002-05-17 Sumitomo Electric Ind Ltd 多心/単心コネクタ変換装置
WO2009153930A1 (ja) 2008-06-18 2009-12-23 株式会社巴川製紙所 光伝送媒体、フェルール、光終端コネクタ、光学構造及び光学機器
JP2012530936A (ja) 2009-06-17 2012-12-06 コーニング ケーブル システムズ リミテッド ライアビリティ カンパニー 高速データレート伝送システム用光相互接続
US20110103803A1 (en) 2009-10-29 2011-05-05 Paul Kolesar Optical Fiber Array Connectivity System for Multiple Transceivers and/or Multiple Trunk Cables
US20160091674A1 (en) 2014-09-29 2016-03-31 Virtual Instruments Corporation Angled-polished connector terminations in multimode applications
US20190339458A1 (en) 2018-05-03 2019-11-07 Panduit Corp. Angle polished multi-fiber connector

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Publication number Publication date
WO2022201474A1 (ja) 2022-09-29
US20240126030A1 (en) 2024-04-18
JPWO2022201474A1 (https=) 2022-09-29

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