FR2421375B3 - - Google Patents

Info

Publication number
FR2421375B3
FR2421375B3 FR7809225A FR7809225A FR2421375B3 FR 2421375 B3 FR2421375 B3 FR 2421375B3 FR 7809225 A FR7809225 A FR 7809225A FR 7809225 A FR7809225 A FR 7809225A FR 2421375 B3 FR2421375 B3 FR 2421375B3
Authority
FR
France
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
FR7809225A
Other languages
French (fr)
Other versions
FR2421375A1 (fr
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.)
Alcatel Lucent SAS
Original Assignee
Compagnie Generale dElectricite SA
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 Compagnie Generale dElectricite SA filed Critical Compagnie Generale dElectricite SA
Priority to FR7809225A priority Critical patent/FR2421375A1/fr
Publication of FR2421375A1 publication Critical patent/FR2421375A1/fr
Application granted granted Critical
Publication of FR2421375B3 publication Critical patent/FR2421375B3/fr
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)
  • Length Measuring Devices By Optical Means (AREA)
FR7809225A 1978-03-30 1978-03-30 Sonde pour fibres optiques Granted FR2421375A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7809225A FR2421375A1 (fr) 1978-03-30 1978-03-30 Sonde pour fibres optiques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7809225A FR2421375A1 (fr) 1978-03-30 1978-03-30 Sonde pour fibres optiques

Publications (2)

Publication Number Publication Date
FR2421375A1 FR2421375A1 (fr) 1979-10-26
FR2421375B3 true FR2421375B3 (zh) 1980-10-17

Family

ID=9206438

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7809225A Granted FR2421375A1 (fr) 1978-03-30 1978-03-30 Sonde pour fibres optiques

Country Status (1)

Country Link
FR (1) FR2421375A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102854581A (zh) * 2011-08-17 2013-01-02 索尔思光电（成都）有限公司 具有更小型腔尺寸的光模块及其制造和使用方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0661566B1 (en) * 1993-12-27 1999-05-19 Nec Corporation Two-way line monitor
US8664585B2 (en) * 2010-11-15 2014-03-04 Siemens Energy, Inc. Sensor apparatus for detecting and monitoring a crack propagating through a structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102854581A (zh) * 2011-08-17 2013-01-02 索尔思光电（成都）有限公司 具有更小型腔尺寸的光模块及其制造和使用方法
CN102854581B (zh) * 2011-08-17 2015-03-11 索尔思光电（成都）有限公司 具有更小型腔尺寸的光模块及其制造和使用方法

Also Published As

Publication number Publication date
FR2421375A1 (fr) 1979-10-26

Similar Documents

Publication Publication Date Title
DE2940973T1 (zh)
DE2915883C2 (zh)
AU3898778A (zh)
AU3803078A (zh)
AU73950S (zh)
AU3892778A (zh)
BG25854A1 (zh)
BG26120A1 (zh)
BG26014A1 (zh)
BE871570A (zh)
BG26012A1 (zh)
BG26009A1 (zh)
BG26006A1 (zh)
BG26007A1 (zh)
BG25814A2 (zh)
BG26015A1 (zh)
BG26017A1 (zh)
BG25816A1 (zh)
BG26022A1 (zh)
BG25835A1 (zh)
BG25836A1 (zh)
BG25842A1 (zh)
BG25843A1 (zh)
BG25849A1 (zh)
BG26008A1 (zh)