FR2422144A1 - Gyroscope a laser a boucle a verrouillage de phase - Google Patents

Gyroscope a laser a boucle a verrouillage de phase

Info

Publication number
FR2422144A1
FR2422144A1 FR7908302A FR7908302A FR2422144A1 FR 2422144 A1 FR2422144 A1 FR 2422144A1 FR 7908302 A FR7908302 A FR 7908302A FR 7908302 A FR7908302 A FR 7908302A FR 2422144 A1 FR2422144 A1 FR 2422144A1
Authority
FR
France
Prior art keywords
phase
output signal
locked loop
laser gyroscope
rotation
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
FR7908302A
Other languages
English (en)
Other versions
FR2422144B1 (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.)
Raytheon Co
Original Assignee
Raytheon Co
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 Raytheon Co filed Critical Raytheon Co
Publication of FR2422144A1 publication Critical patent/FR2422144A1/fr
Application granted granted Critical
Publication of FR2422144B1 publication Critical patent/FR2422144B1/fr
Granted 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
    • G01C19/667—Ring laser gyrometers using a multioscillator ring laser

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Lasers (AREA)
  • Gyroscopes (AREA)

Abstract

L'invention concerne un gyroscope à laser avec une boucle à verrouillage de phase couplée à la sortie d'une cavité. Un signal de différence de fréquence est produit entre deux faisceaux de sortie de la cavité. La phase de ce signal est comparée avec celle d'une horloge de référence pour produire un signal représentant le déphasage entre ces derniers signaux. Les signaux produits sont amplifiés et appliqués à une bobine qui produit un champ dans un rotateur de Faraday disposé dans le trajet des ondes du laser. L'invention s'applique à un gyroscope à laser de très grande précision et de très grande résolution.
FR7908302A 1978-04-07 1979-04-03 Gyroscope a laser a boucle a verrouillage de phase Granted FR2422144A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US89426778A 1978-04-07 1978-04-07

Publications (2)

Publication Number Publication Date
FR2422144A1 true FR2422144A1 (fr) 1979-11-02
FR2422144B1 FR2422144B1 (fr) 1985-05-10

Family

ID=25402832

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7908302A Granted FR2422144A1 (fr) 1978-04-07 1979-04-03 Gyroscope a laser a boucle a verrouillage de phase

Country Status (5)

Country Link
JP (1) JPS54139393A (fr)
CA (1) CA1132692A (fr)
DE (1) DE2911851C2 (fr)
FR (1) FR2422144A1 (fr)
IT (1) IT1116582B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2426886A1 (fr) * 1978-05-22 1979-12-21 Litton Systems Inc Gyroscope a laser

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5055904B2 (ja) * 2006-09-08 2012-10-24 セイコーエプソン株式会社 検出装置、センサ及び電子機器

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2128617A1 (fr) * 1971-03-03 1972-10-20 Raytheon Co
US3807866A (en) * 1972-04-21 1974-04-30 Rockwell International Corp Ring laser gyroscope having a constant output beat-frequency

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3697181A (en) * 1967-03-14 1972-10-10 Sperry Rand Corp Ring laser having amplitude and phase controlled crossed-beam anti-locking feedback
US3846025A (en) * 1973-04-02 1974-11-05 S Wilber Frequency sensitive laser rotary motion sensor
CA1077602A (fr) * 1976-01-02 1980-05-13 Raytheon Company Resonateur d'ondes electromagnetiques en anneau
CA1136249A (fr) * 1978-03-27 1982-11-23 James B. Matthews Systeme gyroscopique a laser a boucle a asservissement de phase

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2128617A1 (fr) * 1971-03-03 1972-10-20 Raytheon Co
US3807866A (en) * 1972-04-21 1974-04-30 Rockwell International Corp Ring laser gyroscope having a constant output beat-frequency

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2426886A1 (fr) * 1978-05-22 1979-12-21 Litton Systems Inc Gyroscope a laser

Also Published As

Publication number Publication date
CA1132692A (fr) 1982-09-28
JPS6410956B2 (fr) 1989-02-22
FR2422144B1 (fr) 1985-05-10
DE2911851A1 (de) 1979-10-11
IT1116582B (it) 1986-02-10
JPS54139393A (en) 1979-10-29
IT7948629A0 (it) 1979-04-05
DE2911851C2 (de) 1994-01-13

Similar Documents

Publication Publication Date Title
EP0197621A3 (en) Closed loop all fiber optic gyroscope with differential frequency propagation
US3741657A (en) Laser gyroscope
US3854819A (en) Laser gyroscope
CA2096229A1 (fr) Dispositif melangeur optique
CH644985GA3 (fr)
GB1449841A (en) Oscillators
GB1545922A (en) Method for controlling frequency of electrical oscillations and frequency standard for electronic timepiece
GB2017392A (en) Phase-locked loop laser gyroscope
GB1530665A (en) Acoustic wave devices
FR2422144A1 (fr) Gyroscope a laser a boucle a verrouillage de phase
GB1505188A (en) Microtron accelerator comprising a hyperfrequency resonant system
GB2017394A (en) Laser gyroscope
GB837192A (en) Improvements relating to electrical waveguide systems
JPS55112008A (en) Low frequency clock formation circuit
JPH0354920A (ja) 標準周波数信号生成装置
WALTERS Problems in coherent wave-wave interactions in a plasma[Ph. D. Thesis]
GB1072500A (en) Light modulator
Yazgan Magnetoelastic and magnetostatic wave propagation in non-ellipsoidal ferrimagnets
GB2007881A (en) Method for measruring the running or the deviation of frequency of a quartz timepiece and measuring apparatus for carrying out this method
KRZYWOBLOCKI Analytical aspects and controllability of instabilities of propagating medium in E. M. wave theory(Electromagnetic wave propagation in plasmas and plasma instabilities due to oscillations, deriving equations for frequency distributions in various plasma compositions)
PETRUNKIN et al. Frequency shifting in multimode fiber optic phase modulation devices[Abstract Only]
MALIUKOV et al. Equations for the propagation path of a short-wave signal
JPS55166082A (en) Method of compensating temperature for crystal watch
Pangonis et al. Wave mode analysis based on the radiation from waveguides with a slanted aperture(Waveguide with slanted aperture, determining propagation mode and wave amplitude from radiation level at Brillouin angle)
Coccoli Multi-Mode Fiber Optic Resonator Gyroscope