FR2672393B1 - Capteur de vitesse angulaire a laser en anneau et procede pour le faire fonctionner. - Google Patents
Capteur de vitesse angulaire a laser en anneau et procede pour le faire fonctionner.Info
- Publication number
- FR2672393B1 FR2672393B1 FR9201214A FR9201214A FR2672393B1 FR 2672393 B1 FR2672393 B1 FR 2672393B1 FR 9201214 A FR9201214 A FR 9201214A FR 9201214 A FR9201214 A FR 9201214A FR 2672393 B1 FR2672393 B1 FR 2672393B1
- Authority
- FR
- France
- Prior art keywords
- operating
- same
- speed sensor
- angular speed
- ring laser
- 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
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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/081—Construction or shape of optical resonators or components thereof comprising three or more reflectors
- H01S3/083—Ring lasers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Plasma & Fusion (AREA)
- Gyroscopes (AREA)
- Lasers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/651,717 US5137358A (en) | 1991-02-05 | 1991-02-05 | Ring laser gyro having two magnetic mirrors |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2672393A1 FR2672393A1 (fr) | 1992-08-07 |
FR2672393B1 true FR2672393B1 (fr) | 1993-11-19 |
Family
ID=24613932
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9201214A Expired - Fee Related FR2672393B1 (fr) | 1991-02-05 | 1992-02-04 | Capteur de vitesse angulaire a laser en anneau et procede pour le faire fonctionner. |
Country Status (5)
Country | Link |
---|---|
US (1) | US5137358A (fr) |
JP (1) | JPH0613683A (fr) |
DE (1) | DE4202616A1 (fr) |
FR (1) | FR2672393B1 (fr) |
GB (1) | GB2254481A (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3140146B2 (ja) * | 1992-03-12 | 2001-03-05 | キヤノン株式会社 | レンズ駆動装置 |
US5313488A (en) * | 1993-02-04 | 1994-05-17 | Honeywell Inc. | Ring laser discharge starting concept |
US5416583A (en) * | 1993-07-30 | 1995-05-16 | Kearfott Guidance & Navigation Corporation | Quantum well bias mirror for phase modulation in a ring laser gyroscope |
US5488622A (en) * | 1994-07-29 | 1996-01-30 | Litton Systems, Inc. | Simplified dispersion equalization field coil design for a multioscillator ring laser gyroscope |
US5960025A (en) * | 1997-10-06 | 1999-09-28 | Honeywell Inc. | Device and method for achieving beam path alignment of an optical cavity |
JP2006331605A (ja) * | 2005-05-30 | 2006-12-07 | Canon Inc | 光学的情報記録再生装置 |
US9574880B2 (en) * | 2011-09-29 | 2017-02-21 | King Abdulaziz City For Science And Technology | MEMS based ring laser gyroscope with reduced lock-in |
US9389080B2 (en) | 2014-01-08 | 2016-07-12 | Honeywell International Inc. | Ring laser gyroscope with integrated polarization |
RU2724242C1 (ru) * | 2020-01-17 | 2020-06-22 | Акционерное общество "Научно-исследовательский институт "Полюс" им. М.Ф. Стельмаха" | Система регулировки периметра зеемановского лазерного гироскопа |
Family Cites Families (19)
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 |
US3862803A (en) * | 1968-09-27 | 1975-01-28 | United Aircraft Corp | Differential laser gyro system |
US3649931A (en) * | 1969-11-03 | 1972-03-14 | Sperry Rand Corp | Compensated frequency biasing system for ring laser |
US3851973A (en) * | 1972-01-03 | 1974-12-03 | Sperry Rand Corp | Ring laser magnetic bias mirror compensated for non-reciprocal loss |
US3973851A (en) * | 1973-03-29 | 1976-08-10 | United Technologies Corporation | Dispersion compensated laser gyro (U) |
GB1406730A (en) * | 1973-12-20 | 1975-09-17 | Sperry Rand Corp | Ring lasers |
US4009933A (en) * | 1975-05-07 | 1977-03-01 | Rca Corporation | Polarization-selective laser mirror |
NL7802454A (nl) * | 1978-03-07 | 1979-09-11 | Philips Nv | Gasontladingslaser voor het opwekken van lineair gepolariseerde straling. |
US4195908A (en) * | 1978-05-15 | 1980-04-01 | Sperry Corporation | Magnetic mirror for imparting non-reciprocal phase shift |
US4522496A (en) * | 1978-05-26 | 1985-06-11 | Litton Systems, Inc. | Laser gyro mode locking reduction scheme |
US4268799A (en) * | 1979-01-08 | 1981-05-19 | Laser Products Corporation | Curved mirror lasers and methods of operating same |
US4225239A (en) * | 1979-07-05 | 1980-09-30 | The United States Of America As Represented By The Secretary Of The Navy | Magneto-optic bias of ring laser using reflective magneto-optic element at near-grazing incidence |
US4271397A (en) * | 1979-08-09 | 1981-06-02 | The Singer Company | Nonreciprocal phase shifter for a ring laser gyro |
GB2075210B (en) * | 1980-04-29 | 1983-11-23 | Sperry Ltd | Magneto-optical phase-modulating device |
US4410276A (en) * | 1981-06-15 | 1983-10-18 | The Singer Company | Ring laser gyroscope with doppler mirrors |
US4592656A (en) * | 1983-07-05 | 1986-06-03 | Honeywell, Inc. | Ring laser angular rate sensor with modulated scattered waves |
GB8621510D0 (en) * | 1986-09-06 | 1986-10-15 | British Aerospace | Ring laser gyroscopes |
US4899346A (en) * | 1988-01-21 | 1990-02-06 | Northrop Corporation | Path length control system for magnetic mirror dithered ring laser gyros |
US4968136A (en) * | 1988-09-02 | 1990-11-06 | Northrop Corporation | Ring laser gyro and magnetic mirror therefor |
-
1991
- 1991-02-05 US US07/651,717 patent/US5137358A/en not_active Expired - Lifetime
-
1992
- 1992-01-20 GB GB9201103A patent/GB2254481A/en not_active Withdrawn
- 1992-01-30 DE DE4202616A patent/DE4202616A1/de not_active Withdrawn
- 1992-01-31 JP JP4016551A patent/JPH0613683A/ja not_active Withdrawn
- 1992-02-04 FR FR9201214A patent/FR2672393B1/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE4202616A1 (de) | 1992-08-06 |
GB9201103D0 (en) | 1992-03-11 |
JPH0613683A (ja) | 1994-01-21 |
FR2672393A1 (fr) | 1992-08-07 |
GB2254481A (en) | 1992-10-07 |
US5137358A (en) | 1992-08-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |