JPH0118371B2 - - Google Patents

Info

Publication number
JPH0118371B2
JPH0118371B2 JP9933380A JP9933380A JPH0118371B2 JP H0118371 B2 JPH0118371 B2 JP H0118371B2 JP 9933380 A JP9933380 A JP 9933380A JP 9933380 A JP9933380 A JP 9933380A JP H0118371 B2 JPH0118371 B2 JP H0118371B2
Authority
JP
Japan
Prior art keywords
optical fiber
light
mode
measured
group
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.)
Expired
Application number
JP9933380A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5724836A (en
Inventor
Noburu Shibata
Mitsuhiro Tatsuta
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 JP9933380A priority Critical patent/JPS5724836A/ja
Publication of JPS5724836A publication Critical patent/JPS5724836A/ja
Publication of JPH0118371B2 publication Critical patent/JPH0118371B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
    • G01M11/33—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter being disposed at one fibre or waveguide end-face, and a light receiver at the other end-face
    • G01M11/331—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter being disposed at one fibre or waveguide end-face, and a light receiver at the other end-face by using interferometer

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
JP9933380A 1980-07-22 1980-07-22 Measurement of group delay time difference by mode groups for multimode optical fiber scope Granted JPS5724836A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9933380A JPS5724836A (en) 1980-07-22 1980-07-22 Measurement of group delay time difference by mode groups for multimode optical fiber scope

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9933380A JPS5724836A (en) 1980-07-22 1980-07-22 Measurement of group delay time difference by mode groups for multimode optical fiber scope

Publications (2)

Publication Number Publication Date
JPS5724836A JPS5724836A (en) 1982-02-09
JPH0118371B2 true JPH0118371B2 (de) 1989-04-05

Family

ID=14244695

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9933380A Granted JPS5724836A (en) 1980-07-22 1980-07-22 Measurement of group delay time difference by mode groups for multimode optical fiber scope

Country Status (1)

Country Link
JP (1) JPS5724836A (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0731096B2 (ja) * 1984-08-13 1995-04-10 日本電信電話株式会社 光フアイバの群遅延時間差測定方法および測定装置
KR100719892B1 (ko) 2005-03-23 2007-05-18 광주과학기술원 다중모드광섬유의 모드간 차등지연시간 측정장치
KR100803488B1 (ko) 2006-02-03 2008-02-14 광주과학기술원 간섭계를 이용한 다중모드 광섬유의 고차 모드에 대한색분산 측정 시스템
KR100803473B1 (ko) 2006-02-06 2008-02-14 광주과학기술원 가변된 광주파수를 가지는 모드 사이 간섭현상을 이용한다중모드 광섬유의 모드간 지연시간 측정 시스템
JP6619580B2 (ja) * 2015-08-07 2019-12-11 Kddi株式会社 伝搬遅延差の測定装置及び伝搬遅延の測定装置
PL237446B1 (pl) * 2015-09-18 2021-04-19 Polskie Centrum Fotoniki I Swiatlowodow Urządzenie do pomiarów parametrów elementów fazowych i dyspersji światłowodów oraz sposób pomiaru parametrów elementu fazowego i dyspersji światłowodów

Also Published As

Publication number Publication date
JPS5724836A (en) 1982-02-09

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