FR2471595A1 - - Google Patents

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Publication number
FR2471595A1
FR2471595A1 FR7930722A FR7930722A FR2471595A1 FR 2471595 A1 FR2471595 A1 FR 2471595A1 FR 7930722 A FR7930722 A FR 7930722A FR 7930722 A FR7930722 A FR 7930722A FR 2471595 A1 FR2471595 A1 FR 2471595A1
Authority
FR
France
Prior art keywords
mode
filter
loop
optical
interferometer
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
FR7930722A
Other languages
English (en)
French (fr)
Other versions
FR2471595B1 (OSRAM
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 SA
Original Assignee
Thomson CSF 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9232794&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FR2471595(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR7930722A priority Critical patent/FR2471595B1/fr
Priority to US06/212,435 priority patent/US4480915A/en
Priority to EP80401762A priority patent/EP0031274B1/fr
Priority to DE8080401762T priority patent/DE3070260D1/de
Priority to CA000366419A priority patent/CA1158431A/en
Publication of FR2471595A1 publication Critical patent/FR2471595A1/fr
Application granted granted Critical
Publication of FR2471595B1 publication Critical patent/FR2471595B1/fr
Expired 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
    • G01C19/72—Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams with counter-rotating light beams in a passive ring, e.g. fibre laser gyrometers
    • G01C19/721—Details, e.g. optical or electronical 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)
  • Instruments For Measurement Of Length By Optical Means (AREA)
FR7930722A 1979-12-14 1979-12-14 Expired FR2471595B1 (OSRAM)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR7930722A FR2471595B1 (OSRAM) 1979-12-14 1979-12-14
US06/212,435 US4480915A (en) 1979-12-14 1980-12-03 Ring interferometer device and its application to the detection of non-reciprocal effects
EP80401762A EP0031274B1 (fr) 1979-12-14 1980-12-09 Dispositif interférométrique en anneau et son application à la détection d'effets non réciproques
DE8080401762T DE3070260D1 (en) 1979-12-14 1980-12-09 Ring-interferometric device and its use in the detection of non reciprocal effects
CA000366419A CA1158431A (en) 1979-12-14 1980-12-09 Ring interferometer device and its application to the detection of non-reciprocal effects

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7930722A FR2471595B1 (OSRAM) 1979-12-14 1979-12-14

Publications (2)

Publication Number Publication Date
FR2471595A1 true FR2471595A1 (OSRAM) 1981-06-19
FR2471595B1 FR2471595B1 (OSRAM) 1982-12-31

Family

ID=9232794

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7930722A Expired FR2471595B1 (OSRAM) 1979-12-14 1979-12-14

Country Status (5)

Country Link
US (1) US4480915A (OSRAM)
EP (1) EP0031274B1 (OSRAM)
CA (1) CA1158431A (OSRAM)
DE (1) DE3070260D1 (OSRAM)
FR (1) FR2471595B1 (OSRAM)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4671658A (en) * 1981-09-30 1987-06-09 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic rotation sensor utilizing a magnetic shield and an optical isolator
US4634282A (en) * 1981-11-06 1987-01-06 The Board Of Trustees Of The Leland Stanford Junior University Multimode fiber optic rotation sensor
US4735506A (en) * 1985-04-01 1988-04-05 Litton Systems, Inc. Phase nulling optical gyroscope
US4610543A (en) * 1985-04-03 1986-09-09 The Singer Company Electronic dither compensator for a ring laser gyro
FR2582800B1 (fr) * 1985-05-30 1987-07-17 Thomson Csf Dispositif interferometrique en anneau a fibre optique monomode
FR2590015B1 (fr) * 1985-11-08 1988-12-09 Thomson Csf Dispositif interferometrique en anneau reciproque a fibre optique monomode
DE3615727A1 (de) * 1986-05-09 1987-11-12 Zeiss Carl Fa Koppelstelle fuer monomode-faser
US4997282A (en) * 1986-09-19 1991-03-05 Litton Systems, Inc. Dual fiber optic gyroscope
US4744658A (en) * 1987-01-16 1988-05-17 Rockwell International Corporation Wavefront sensor
US4842358A (en) * 1987-02-20 1989-06-27 Litton Systems, Inc. Apparatus and method for optical signal source stabilization
US4915503A (en) * 1987-09-01 1990-04-10 Litton Systems, Inc. Fiber optic gyroscope with improved bias stability and repeatability and method
US5106193A (en) * 1990-08-09 1992-04-21 The Board Of Trustees Of The Leland Stanford Junior University Optical waveguide amplifier source gyroscope
FR2680570B1 (fr) * 1991-08-22 1995-10-13 Sagem Gyrometre en anneau a fibre optique multimode.
US5325174A (en) * 1992-06-23 1994-06-28 Northrop Corporation Integrated optic gyro with one Bragg transducer
US5513003A (en) * 1994-06-06 1996-04-30 Honeywell Inc. Fiber optic gyro digital control with rate extension
US5647032A (en) * 1995-08-24 1997-07-08 Kowa Company, Ltd. Interferometers for measuring coherence length and high-speed switching of laser light
DE19803223C1 (de) * 1998-01-28 1999-07-29 Litef Gmbh Faseroptisches Sagnac-Interferometer
FR2784185B1 (fr) 1998-10-06 2001-02-02 Thomson Csf Dispositif pour l'harmonisation entre une voie d'emission laser et une voie passive d'observation
EP1407252A2 (en) * 2000-11-20 2004-04-14 Koninklijke Philips Electronics N.V. Inspection of surfaces
US7522284B2 (en) * 2006-09-29 2009-04-21 Honeywell International Inc. Optical resonator gyro and method for reducing resonance asymmetry errors
US9212911B1 (en) * 2013-09-24 2015-12-15 Nir Tal Sagnac effect based radio frequency electronic gyroscope incorporated in CMOS integrated circuit
US12050106B2 (en) 2021-01-20 2024-07-30 Daryl W. Barry Sagnac effect RF based electromagnetic gyroscope using pulsed excitation

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1439416A1 (de) * 1964-07-21 1968-11-28 Siemens Ag Molekularverstaerker mit Modenselektion
FR2409518A1 (fr) * 1977-11-22 1979-06-15 Thomson Csf Gyrometre interferometrique a laser
FR2416450A1 (fr) * 1978-01-31 1979-08-31 Siemens Ag Interferometre comportant une bobine formee d'un guide d'ondes monomode

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2752688C3 (de) * 1977-11-25 1988-07-28 Siemens AG, 1000 Berlin und 8000 München Optischer Sender einer Vorrichtung zum Messen der Dämpfung optischer Wellen auf optischen Übertragungsstrecken
DE2814476A1 (de) * 1978-04-04 1979-10-18 Siemens Ag Interferometer mit einer spule aus einem einmode-wellenleiter
DE2906870A1 (de) * 1979-02-22 1980-09-04 Max Planck Gesellschaft Verfahren und anordnung zur messung von drehungen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1439416A1 (de) * 1964-07-21 1968-11-28 Siemens Ag Molekularverstaerker mit Modenselektion
FR2409518A1 (fr) * 1977-11-22 1979-06-15 Thomson Csf Gyrometre interferometrique a laser
FR2416450A1 (fr) * 1978-01-31 1979-08-31 Siemens Ag Interferometre comportant une bobine formee d'un guide d'ondes monomode

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/79 *

Also Published As

Publication number Publication date
EP0031274A1 (fr) 1981-07-01
EP0031274B1 (fr) 1985-03-06
CA1158431A (en) 1983-12-13
US4480915A (en) 1984-11-06
DE3070260D1 (en) 1985-04-11
FR2471595B1 (OSRAM) 1982-12-31

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