SE456186B - Forfarande for nedbringande av stralfastlasning till minimum i ett ringlasergyro samt ringlasergyro - Google Patents

Forfarande for nedbringande av stralfastlasning till minimum i ett ringlasergyro samt ringlasergyro

Info

Publication number
SE456186B
SE456186B SE8206389A SE8206389A SE456186B SE 456186 B SE456186 B SE 456186B SE 8206389 A SE8206389 A SE 8206389A SE 8206389 A SE8206389 A SE 8206389A SE 456186 B SE456186 B SE 456186B
Authority
SE
Sweden
Prior art keywords
mirrors
laser
laser beams
flashing
gyro
Prior art date
Application number
SE8206389A
Other languages
English (en)
Swedish (sv)
Other versions
SE8206389D0 (sv
SE8206389L (sv
Inventor
J H Simpson
J G Koper
Original Assignee
Singer 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 Singer Co filed Critical Singer Co
Publication of SE8206389D0 publication Critical patent/SE8206389D0/xx
Publication of SE8206389L publication Critical patent/SE8206389L/
Publication of SE456186B publication Critical patent/SE456186B/sv

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)
  • Radar, Positioning & Navigation (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Remote Sensing (AREA)
  • Plasma & Fusion (AREA)
  • Gyroscopes (AREA)
  • Lasers (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
  • Toys (AREA)
SE8206389A 1981-11-12 1982-11-10 Forfarande for nedbringande av stralfastlasning till minimum i ett ringlasergyro samt ringlasergyro SE456186B (sv)

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 SE8206389L (sv) 1983-05-13
SE456186B true 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 (it)
JP (1) JPS5887886A (it)
AU (1) AU548989B2 (it)
CA (1) CA1183591A (it)
DE (1) DE3241824A1 (it)
FR (1) FR2516233B1 (it)
GB (1) GB2109623B (it)
IT (1) IT1153021B (it)
NO (1) NO158118C (it)
SE (1) SE456186B (it)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
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
US4672624A (en) * 1985-08-09 1987-06-09 Honeywell Inc. Cathode-block construction for long life lasers
US4783169A (en) * 1985-08-09 1988-11-08 Litton Systems, Inc. Control of a ring laser gyro cavity according to a preselected model
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)

* 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
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

Also Published As

Publication number Publication date
FR2516233B1 (fr) 1986-08-29
IT8224236A1 (it) 1984-05-12
JPS5887886A (ja) 1983-05-25
NO158118C (no) 1988-07-13
IT8224236A0 (it) 1982-11-12
FR2516233A1 (fr) 1983-05-13
IT1153021B (it) 1987-01-14
SE8206389D0 (sv) 1982-11-10
NO823310L (no) 1983-05-13
US4473297A (en) 1984-09-25
SE8206389L (sv) 1983-05-13
AU548989B2 (en) 1986-01-09
NO158118B (no) 1988-04-05
AU8882782A (en) 1983-05-19
GB2109623A (en) 1983-06-02
CA1183591A (en) 1985-03-05
GB2109623B (en) 1985-10-16
DE3241824A1 (de) 1983-05-26

Similar Documents

Publication Publication Date Title
SE456186B (sv) Forfarande for nedbringande av stralfastlasning till minimum i ett ringlasergyro samt ringlasergyro
US4664524A (en) Optical self-alignment system
EP0760460B1 (en) Optical displacement measuring system using a triangulation
US4422762A (en) Ring laser
US5955724A (en) Laser along-body tracker comprising laser beam dithering
Isleif et al. Compact multifringe interferometry with subpicometer precision
SE448576B (sv) Forfarande och anordning for reducering av bakatspridning i vibrerande ringlasrar
US4813782A (en) Method and apparatus for measuring the floating amount of the magnetic head
US6064472A (en) Method for speed measurement according to the laser-doppler-principle
US4606637A (en) Dithered ring laser gyroscope with residual lock-in error compensation
NO840079L (no) Lasergyro
Suzuki et al. Real-time vibration measurement using a feedback type of laser diode interferometer with an optical fiber
US20040184037A1 (en) Heterodyne lateral grating interferometric encoder
EP0158505B1 (en) Active mirror wavefront sensor
US6088107A (en) High resolution positioner
US6066842A (en) Laser along-body tracker (SABOT III)
US4657392A (en) Lock-in rate discriminate apparatus for ring laser angular rate sensors
JP3037949B1 (ja) 外部共振器型リングレ―ザ―を用いた高精度リングレ―ザ―干渉計及び光センシング装置
JP2934066B2 (ja) レーザドップラ速度計
RU2175753C1 (ru) Способ определения отклонений от прямолинейности
US4432647A (en) Device for measuring rotation rates
JPH0648191B2 (ja) 光学式変位測定装置
JPH01287979A (ja) 安定化レーザ光源装置
SU781563A1 (ru) Оптический датчик перемещений объекта
JPH04103044A (ja) 光軸制御装置

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