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FR2730307B1 - METHOD AND DEVICE FOR PRESERVING THE LENGTH OF THE CAVITY OF A LASER GYROMETER SUBJECT TO IONIZING RADIATION - Google Patents

METHOD AND DEVICE FOR PRESERVING THE LENGTH OF THE CAVITY OF A LASER GYROMETER SUBJECT TO IONIZING RADIATION

Info

Publication number
FR2730307B1
FR2730307B1 FR9501484A FR9501484A FR2730307B1 FR 2730307 B1 FR2730307 B1 FR 2730307B1 FR 9501484 A FR9501484 A FR 9501484A FR 9501484 A FR9501484 A FR 9501484A FR 2730307 B1 FR2730307 B1 FR 2730307B1
Authority
FR
France
Prior art keywords
preserving
cavity
subject
length
ionizing radiation
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 - Fee Related
Application number
FR9501484A
Other languages
French (fr)
Other versions
FR2730307A1 (en
Inventor
Bernard Bernier
Etienne Bonnaudet
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.)
Thales Avionics SAS
Original Assignee
Thales Avionics SAS
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 Thales Avionics SAS filed Critical Thales Avionics SAS
Priority to FR9501484A priority Critical patent/FR2730307B1/en
Publication of FR2730307A1 publication Critical patent/FR2730307A1/en
Application granted granted Critical
Publication of FR2730307B1 publication Critical patent/FR2730307B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
    • G01C19/58—Turn-sensitive devices without moving masses
    • G01C19/64—Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams
    • G01C19/66—Ring laser gyrometers
    • G01C19/661—Ring laser gyrometers details

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Gyroscopes (AREA)
FR9501484A 1995-02-07 1995-02-07 METHOD AND DEVICE FOR PRESERVING THE LENGTH OF THE CAVITY OF A LASER GYROMETER SUBJECT TO IONIZING RADIATION Expired - Fee Related FR2730307B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9501484A FR2730307B1 (en) 1995-02-07 1995-02-07 METHOD AND DEVICE FOR PRESERVING THE LENGTH OF THE CAVITY OF A LASER GYROMETER SUBJECT TO IONIZING RADIATION

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9501484A FR2730307B1 (en) 1995-02-07 1995-02-07 METHOD AND DEVICE FOR PRESERVING THE LENGTH OF THE CAVITY OF A LASER GYROMETER SUBJECT TO IONIZING RADIATION

Publications (2)

Publication Number Publication Date
FR2730307A1 FR2730307A1 (en) 1996-08-09
FR2730307B1 true FR2730307B1 (en) 1997-04-04

Family

ID=9475974

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9501484A Expired - Fee Related FR2730307B1 (en) 1995-02-07 1995-02-07 METHOD AND DEVICE FOR PRESERVING THE LENGTH OF THE CAVITY OF A LASER GYROMETER SUBJECT TO IONIZING RADIATION

Country Status (1)

Country Link
FR (1) FR2730307B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7286236B2 (en) 2004-10-15 2007-10-23 Honeywell International Inc. Detecting radiation events in a ring laser gyroscope
CN111141268B (en) * 2019-12-24 2022-03-18 中国船舶重工集团公司第七一七研究所 Laser gyroscope integral digital frequency stabilization method and device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5309459A (en) * 1992-10-20 1994-05-03 Honeywell, Inc. Laser gyro smart digital PLC acquisition control

Also Published As

Publication number Publication date
FR2730307A1 (en) 1996-08-09

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Legal Events

Date Code Title Description
CL Concession to grant licenses
ST Notification of lapse

Effective date: 20141031