SE8206389L - Ringlasergyro med fasdetektor - Google Patents
Ringlasergyro med fasdetektorInfo
- Publication number
- SE8206389L SE8206389L SE8206389A SE8206389A SE8206389L SE 8206389 L SE8206389 L SE 8206389L SE 8206389 A SE8206389 A SE 8206389A SE 8206389 A SE8206389 A SE 8206389A SE 8206389 L SE8206389 L SE 8206389L
- Authority
- SE
- Sweden
- Prior art keywords
- ring laser
- phase detector
- laser gyro
- signal components
- mirrors
- Prior art date
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
- G01C19/665—Ring laser gyrometers details control of the cavity
-
- 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)
- Plasma & Fusion (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Gyroscopes (AREA)
- Lasers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/320,647 US4473297A (en) | 1981-11-12 | 1981-11-12 | Ring laser gyroscope utilizing phase detector for minimizing beam lock-in |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8206389D0 SE8206389D0 (sv) | 1982-11-10 |
SE8206389L true SE8206389L (sv) | 1983-05-13 |
SE456186B SE456186B (sv) | 1988-09-12 |
Family
ID=23247330
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8206389A SE456186B (sv) | 1981-11-12 | 1982-11-10 | Forfarande for nedbringande av stralfastlasning till minimum i ett ringlasergyro samt ringlasergyro |
Country Status (10)
Country | Link |
---|---|
US (1) | US4473297A (sv) |
JP (1) | JPS5887886A (sv) |
AU (1) | AU548989B2 (sv) |
CA (1) | CA1183591A (sv) |
DE (1) | DE3241824A1 (sv) |
FR (1) | FR2516233B1 (sv) |
GB (1) | GB2109623B (sv) |
IT (1) | IT1153021B (sv) |
NO (1) | NO158118C (sv) |
SE (1) | SE456186B (sv) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4653919A (en) * | 1982-02-08 | 1987-03-31 | Sundstrand Optical Technologies, Inc. | Laser gyro with dithered mirrors and current dither |
US4657392A (en) * | 1982-08-05 | 1987-04-14 | Honeywell Inc. | Lock-in rate discriminate apparatus for ring laser angular rate sensors |
GB2127211B (en) * | 1982-08-26 | 1986-10-01 | British Aerospace | Ring laser gyroscope |
US4582429A (en) * | 1983-04-06 | 1986-04-15 | Honeywell | Readout for a ring laser |
US4712917A (en) * | 1984-10-26 | 1987-12-15 | Honeywell Inc. | Readout for a ring laser gyro |
US4783169A (en) * | 1985-08-09 | 1988-11-08 | Litton Systems, Inc. | Control of a ring laser gyro cavity according to a preselected model |
US4672624A (en) * | 1985-08-09 | 1987-06-09 | Honeywell Inc. | Cathode-block construction for long life lasers |
US4825260A (en) * | 1987-02-20 | 1989-04-25 | Litton Systems, Inc. | Apparatus and method using amplification cells for ring laser gyroscope cavity length control |
US4836675A (en) * | 1987-06-29 | 1989-06-06 | Litton Systems, Inc. | Apparatus and method for detecting rotation rate and direction of rotation and providing cavity length control in multioscillator ring laser gyroscopes |
US5463652A (en) * | 1987-10-01 | 1995-10-31 | Litton Systems, Inc. | Combining optics for ring laser gyro |
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 |
US5386288A (en) * | 1987-10-28 | 1995-01-31 | Litton Systems, Inc. | Split gain multimode ring laser gyroscope and method |
US4863271A (en) * | 1988-02-02 | 1989-09-05 | Litton Systems, Inc. | Optical combiner for a ring laser gyro |
GB2301932B (en) * | 1988-10-27 | 1997-10-08 | Litton Systems Inc | Apparatus and method for correcting ring laser gyroscope phase angle errors induced by lock-in |
FR2645261B1 (fr) * | 1989-03-30 | 1991-07-26 | Salaberry Bernard De | Dispositif de melange et de lecture pour gyrometre a laser |
US4981359A (en) * | 1989-06-19 | 1991-01-01 | Litton Systems, Inc. | Ring laser gyroscope dither drive system and method |
US4973162A (en) * | 1990-03-22 | 1990-11-27 | Kennedy Thomas W | Ring laser gyroscope readout |
US5450197A (en) * | 1993-08-31 | 1995-09-12 | Honeywell Inc. | Device and method for reducing angular random walk in a ring laser gyroscope |
FR2869105B1 (fr) * | 2004-04-14 | 2006-06-30 | Sagem | Procede de commande en push-pull d'un gyrometre a laser |
CN103959013A (zh) | 2011-09-29 | 2014-07-30 | 斯维尔系统 | 锁定减少的基于mems的环形激光陀螺仪 |
Family Cites Families (4)
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 |
US4152071A (en) * | 1976-08-02 | 1979-05-01 | Honeywell Inc. | Control apparatus |
IL61156A (en) * | 1979-11-05 | 1983-07-31 | Litton Systems Inc | Dithered ring laser with minimized mirror backscattering |
DE3009796C2 (de) * | 1980-03-14 | 1984-04-12 | Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5000 Köln | Drehgeschwindigkeitssensor auf der Basis eines Ringlasers |
-
1981
- 1981-11-12 US US06/320,647 patent/US4473297A/en not_active Expired - Lifetime
-
1982
- 1982-09-14 CA CA000411394A patent/CA1183591A/en not_active Expired
- 1982-09-29 AU AU88827/82A patent/AU548989B2/en not_active Ceased
- 1982-10-01 NO NO823310A patent/NO158118C/no unknown
- 1982-10-08 JP JP57176445A patent/JPS5887886A/ja active Pending
- 1982-10-29 GB GB08231066A patent/GB2109623B/en not_active Expired
- 1982-11-08 FR FR8218695A patent/FR2516233B1/fr not_active Expired
- 1982-11-10 SE SE8206389A patent/SE456186B/sv not_active IP Right Cessation
- 1982-11-11 DE DE19823241824 patent/DE3241824A1/de not_active Withdrawn
- 1982-11-12 IT IT24236/82A patent/IT1153021B/it active
Also Published As
Publication number | Publication date |
---|---|
GB2109623B (en) | 1985-10-16 |
NO158118C (no) | 1988-07-13 |
JPS5887886A (ja) | 1983-05-25 |
GB2109623A (en) | 1983-06-02 |
IT1153021B (it) | 1987-01-14 |
CA1183591A (en) | 1985-03-05 |
NO158118B (no) | 1988-04-05 |
AU548989B2 (en) | 1986-01-09 |
US4473297A (en) | 1984-09-25 |
FR2516233B1 (fr) | 1986-08-29 |
FR2516233A1 (fr) | 1983-05-13 |
SE456186B (sv) | 1988-09-12 |
NO823310L (no) | 1983-05-13 |
AU8882782A (en) | 1983-05-19 |
SE8206389D0 (sv) | 1982-11-10 |
IT8224236A0 (it) | 1982-11-12 |
DE3241824A1 (de) | 1983-05-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
Ref document number: 8206389-2 Effective date: 19900706 Format of ref document f/p: F |