JPS5726807A - Optical fiber core comparator - Google Patents

Optical fiber core comparator

Info

Publication number
JPS5726807A
JPS5726807A JP10047880A JP10047880A JPS5726807A JP S5726807 A JPS5726807 A JP S5726807A JP 10047880 A JP10047880 A JP 10047880A JP 10047880 A JP10047880 A JP 10047880A JP S5726807 A JPS5726807 A JP S5726807A
Authority
JP
Japan
Prior art keywords
core
optical fiber
light beam
fiber core
detecting
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.)
Granted
Application number
JP10047880A
Other languages
Japanese (ja)
Other versions
JPS5949561B2 (en
Inventor
Masamitsu Tokuda
Mizuho Nakahira
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP55100478A priority Critical patent/JPS5949561B2/en
Publication of JPS5726807A publication Critical patent/JPS5726807A/en
Publication of JPS5949561B2 publication Critical patent/JPS5949561B2/en
Expired 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
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • G02B6/2852—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using tapping light guides arranged sidewardly, e.g. in a non-parallel relationship with respect to the bus light guides (light extraction or launching through cladding, with or without surface discontinuities, bent structures)
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4287—Optical modules with tapping or launching means through the surface of the waveguide
    • G02B6/4289—Optical modules with tapping or launching means through the surface of the waveguide by inducing bending, microbending or macrobending, to the light guide

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Light Guides In General And Applications Therefor (AREA)

Abstract

PURPOSE:To exactly execute changeover and maintenance of an optical cable without breaking an optical fiber core, by detecting a scattered light beam from the optical fiber core or a connecting part, and detecting a light beam from a transmission part. CONSTITUTION:For instance, a modulated light beam of a semiconductor laser of a transmission part 8 is propagated through a core 10 in an optical cable 9, passes through a core connecting part 11, and is connected to the nixt cable. A sensor 14 of a receiving part 12 is placed in the proximity of the core connecting part 11, and comparison of cores is executed, for instance, by bending cores (10)14 , and detecting a scattered light beam 15 from said bent core. In this way, changeover and maintenance of the optical cable 9 are executed exactly without breaking the core 10.
JP55100478A 1980-07-24 1980-07-24 Optical fiber core detector Expired JPS5949561B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55100478A JPS5949561B2 (en) 1980-07-24 1980-07-24 Optical fiber core detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55100478A JPS5949561B2 (en) 1980-07-24 1980-07-24 Optical fiber core detector

Publications (2)

Publication Number Publication Date
JPS5726807A true JPS5726807A (en) 1982-02-13
JPS5949561B2 JPS5949561B2 (en) 1984-12-04

Family

ID=14275019

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55100478A Expired JPS5949561B2 (en) 1980-07-24 1980-07-24 Optical fiber core detector

Country Status (1)

Country Link
JP (1) JPS5949561B2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4671653A (en) * 1985-09-23 1987-06-09 Northern Telecom Limited Test instrument for an optical fiber
US5009479A (en) * 1989-09-27 1991-04-23 Northern Telecom Limited Optical fiber coupling device and method for its use
JP2007248707A (en) * 2006-03-15 2007-09-27 Toyokuni Electric Cable Co Ltd Method for specifying coated optical fiber
JP2016053514A (en) * 2014-09-03 2016-04-14 日本電信電話株式会社 Core wire identification system and core wire identification method
JP2016053515A (en) * 2014-09-03 2016-04-14 日本電信電話株式会社 Core wire identification system and core wire identification method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4671653A (en) * 1985-09-23 1987-06-09 Northern Telecom Limited Test instrument for an optical fiber
US5009479A (en) * 1989-09-27 1991-04-23 Northern Telecom Limited Optical fiber coupling device and method for its use
JP2007248707A (en) * 2006-03-15 2007-09-27 Toyokuni Electric Cable Co Ltd Method for specifying coated optical fiber
JP2016053514A (en) * 2014-09-03 2016-04-14 日本電信電話株式会社 Core wire identification system and core wire identification method
JP2016053515A (en) * 2014-09-03 2016-04-14 日本電信電話株式会社 Core wire identification system and core wire identification method

Also Published As

Publication number Publication date
JPS5949561B2 (en) 1984-12-04

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