CA1085031A - Gyoscope au laser avec miroirs oscillant en phase - Google Patents

Gyoscope au laser avec miroirs oscillant en phase

Info

Publication number
CA1085031A
CA1085031A CA285,902A CA285902A CA1085031A CA 1085031 A CA1085031 A CA 1085031A CA 285902 A CA285902 A CA 285902A CA 1085031 A CA1085031 A CA 1085031A
Authority
CA
Canada
Prior art keywords
mirrors
mirror
laser
gyroscope
vibratory motion
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
Application number
CA285,902A
Other languages
English (en)
Inventor
Thomas J. Hutchings
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.)
Northrop Grumman Guidance and Electronics Co Inc
Original Assignee
Litton Systems Inc
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 Litton Systems Inc filed Critical Litton Systems Inc
Application granted granted Critical
Publication of CA1085031A publication Critical patent/CA1085031A/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
    • G01C19/66—Ring laser gyrometers
    • G01C19/68—Lock-in prevention
    • G01C19/70—Lock-in prevention by mechanical means
CA285,902A 1976-11-08 1977-08-31 Gyoscope au laser avec miroirs oscillant en phase Expired CA1085031A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US73976776A 1976-11-08 1976-11-08
US739,767 1996-10-30

Publications (1)

Publication Number Publication Date
CA1085031A true CA1085031A (fr) 1980-09-02

Family

ID=24973708

Family Applications (2)

Application Number Title Priority Date Filing Date
CA285,902A Expired CA1085031A (fr) 1976-11-08 1977-08-31 Gyoscope au laser avec miroirs oscillant en phase
CA000457634A Expired CA1180795B (fr) 1976-11-08 1984-06-27 Gyroscope a laser avec miroirs oscillants a commande de phase

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA000457634A Expired CA1180795B (fr) 1976-11-08 1984-06-27 Gyroscope a laser avec miroirs oscillants a commande de phase

Country Status (6)

Country Link
JP (1) JPS5357793A (fr)
CA (2) CA1085031A (fr)
DE (1) DE2749157C3 (fr)
FR (1) FR2370262A1 (fr)
GB (1) GB1536077A (fr)
IL (1) IL52920A (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1125895A (fr) * 1978-05-26 1982-06-15 Virgil E. Sanders Methode pour reduire le blocage de modes dans un gyroscope a laser
IL57936A (en) * 1978-10-02 1982-07-30 Litton Systems Inc Ring laser with adjustable mirrors
US4243324A (en) * 1979-03-21 1981-01-06 The Singer Company Feedback system for controlling lock-in in spring suspended ring laser gyroscope
US4383763A (en) * 1979-09-12 1983-05-17 Litton Systems, Inc. Controllable mirrors
CA1154851A (fr) * 1980-03-24 1983-10-04 Litton Systems, Inc. Gyroscope a laser en anneau a agitation acoustique
US4410276A (en) * 1981-06-15 1983-10-18 The Singer Company Ring laser gyroscope with doppler mirrors
US4653919A (en) * 1982-02-08 1987-03-31 Sundstrand Optical Technologies, Inc. Laser gyro with dithered mirrors and current dither
US4526469A (en) * 1982-03-01 1985-07-02 Honeywell Inc. Discriminant apparatus for laser gyros
US4551021A (en) * 1982-03-01 1985-11-05 Honeywell Inc. Discriminant apparatus for laser gyros
IL70499A (en) * 1982-12-27 1988-06-30 Litton Systems Inc Laser cathode
DE3320345A1 (de) * 1983-06-04 1984-12-06 Litton Systems, Inc., Beverly Hills, Calif. Ringlaser-gyroskop
US4755057A (en) * 1984-10-02 1988-07-05 Litton Systems, Inc. Path length control method for ring laser gyroscope
US4801206A (en) * 1986-06-04 1989-01-31 Litton Systems, Inc. Simplified ring laser gyroscope dither control and method
US4779985A (en) * 1986-12-22 1988-10-25 Litton Systems, Inc. Dither suspension for ring laser gyroscope and method
US5442442A (en) * 1987-10-28 1995-08-15 Litton Systems, Inc. Ring laser gyroscope scale factor error control apparatus and method control apparatus and method
CN115406468B (zh) * 2022-11-01 2023-01-17 天津集智航宇科技有限公司 基于机械纳米步进调节激光陀螺的背向散射的装置和方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3581227A (en) * 1968-04-18 1971-05-25 Honeywell Inc Adjustable, thin membrane mirror for use in the stabilization of ring lasers
US3533014A (en) * 1968-06-04 1970-10-06 Massachusetts Inst Technology Gas ring laser using oscillating radiation scattering sources within the laser cavity

Also Published As

Publication number Publication date
DE2749157C3 (de) 1980-10-16
FR2370262A1 (fr) 1978-06-02
DE2749157A1 (de) 1978-05-11
DE2749157B2 (de) 1980-02-28
FR2370262B1 (fr) 1980-05-16
JPS5357793A (en) 1978-05-25
GB1536077A (en) 1978-12-20
IL52920A (en) 1979-09-30
CA1180795B (fr) 1985-01-08
JPS5738194B2 (fr) 1982-08-13

Similar Documents

Publication Publication Date Title
CA1085031A (fr) Gyoscope au laser avec miroirs oscillant en phase
US4281930A (en) Laser gyro with phased dithered mirrors
US4326803A (en) Thin film laser gyro
US5359413A (en) System for substantially eleminating lock-in in a ring laser gyroscope
US4213705A (en) Four mode Zeeman laser gyroscope with minimum hole burning competition
US4632555A (en) Ring laser gyroscopes
US4473297A (en) Ring laser gyroscope utilizing phase detector for minimizing beam lock-in
JPS6145399B2 (fr)
US4410276A (en) Ring laser gyroscope with doppler mirrors
US3533014A (en) Gas ring laser using oscillating radiation scattering sources within the laser cavity
US4779985A (en) Dither suspension for ring laser gyroscope and method
US4686683A (en) Laser angular rate sensor with dithered mirrors
US4653919A (en) Laser gyro with dithered mirrors and current dither
US4790657A (en) Ring laser gyroscope curved blade flexure and support ring assembly and method
US4801206A (en) Simplified ring laser gyroscope dither control and method
US4325033A (en) Pneumatically dithered laser gyro
US5412475A (en) Diagonal pathlength control
JPH057876B2 (fr)
CA1288849C (fr) Gyrolaser a polarisations choisies geometriquement
WO1985003568A1 (fr) Vibreur de miroir basculant pour gyroscope a laser en anneau
CA1252551A (fr) Capteur de vitesse angulaire a laser dote de miroirs vibrants
KR100186906B1 (ko) 고체 비평면 레이저 자이로스코프
GB2141868A (en) Downhole ring laser gyro
JPH02220483A (ja) リングレーザジャイロの光路長制御機構
JPH038593B2 (fr)

Legal Events

Date Code Title Description
MZSU Surrender
MKEX Expiry