JPS5793228A - Trouble detecting device for optical transmission fiber - Google Patents

Trouble detecting device for optical transmission fiber

Info

Publication number
JPS5793228A
JPS5793228A JP16976180A JP16976180A JPS5793228A JP S5793228 A JPS5793228 A JP S5793228A JP 16976180 A JP16976180 A JP 16976180A JP 16976180 A JP16976180 A JP 16976180A JP S5793228 A JPS5793228 A JP S5793228A
Authority
JP
Japan
Prior art keywords
shutter
amplifier
light
laser light
mirror
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
JP16976180A
Other languages
English (en)
Japanese (ja)
Other versions
JPH033173B2 (enrdf_load_stackoverflow
Inventor
Yuzuru Doi
Shinichi Harada
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.)
Medos Kenkyusho KK
Original Assignee
Medos Kenkyusho KK
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 Medos Kenkyusho KK filed Critical Medos Kenkyusho KK
Priority to JP16976180A priority Critical patent/JPS5793228A/ja
Publication of JPS5793228A publication Critical patent/JPS5793228A/ja
Publication of JPH033173B2 publication Critical patent/JPH033173B2/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
    • G01M11/31—Testing 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
    • G01M11/3109—Reflectometers detecting the back-scattered light in the time-domain, e.g. OTDR

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)
  • Light Guides In General And Applications Therefor (AREA)
JP16976180A 1980-12-02 1980-12-02 Trouble detecting device for optical transmission fiber Granted JPS5793228A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16976180A JPS5793228A (en) 1980-12-02 1980-12-02 Trouble detecting device for optical transmission fiber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16976180A JPS5793228A (en) 1980-12-02 1980-12-02 Trouble detecting device for optical transmission fiber

Publications (2)

Publication Number Publication Date
JPS5793228A true JPS5793228A (en) 1982-06-10
JPH033173B2 JPH033173B2 (enrdf_load_stackoverflow) 1991-01-17

Family

ID=15892356

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16976180A Granted JPS5793228A (en) 1980-12-02 1980-12-02 Trouble detecting device for optical transmission fiber

Country Status (1)

Country Link
JP (1) JPS5793228A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0212786A1 (en) * 1985-08-02 1987-03-04 C.R. Bard, Inc. Laser/optical fiber safety apparatus and method
FR2649803A1 (fr) * 1989-07-14 1991-01-18 Tektronix Inc Reflectometre temporel optique et declencheur automatique de masque pour un tel reflectometre
US4994059A (en) * 1986-05-09 1991-02-19 Gv Medical, Inc. Laser catheter feedback system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0212786A1 (en) * 1985-08-02 1987-03-04 C.R. Bard, Inc. Laser/optical fiber safety apparatus and method
US4994059A (en) * 1986-05-09 1991-02-19 Gv Medical, Inc. Laser catheter feedback system
FR2649803A1 (fr) * 1989-07-14 1991-01-18 Tektronix Inc Reflectometre temporel optique et declencheur automatique de masque pour un tel reflectometre

Also Published As

Publication number Publication date
JPH033173B2 (enrdf_load_stackoverflow) 1991-01-17

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