DE3581189D1 - System zur reduzierung der empfindlichkeit eines laser-kreisels gegenueber magnetfeld-veraenderungen. - Google Patents

System zur reduzierung der empfindlichkeit eines laser-kreisels gegenueber magnetfeld-veraenderungen.

Info

Publication number
DE3581189D1
DE3581189D1 DE8585905678T DE3581189T DE3581189D1 DE 3581189 D1 DE3581189 D1 DE 3581189D1 DE 8585905678 T DE8585905678 T DE 8585905678T DE 3581189 T DE3581189 T DE 3581189T DE 3581189 D1 DE3581189 D1 DE 3581189D1
Authority
DE
Germany
Prior art keywords
sensitivity
reducing
magnetic field
field changes
laser cycle
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
Application number
DE8585905678T
Other languages
English (en)
Inventor
G Cote
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 DE3581189D1 publication Critical patent/DE3581189D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01C19/661—Ring laser gyrometers details
    • 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)
DE8585905678T 1984-09-12 1985-09-09 System zur reduzierung der empfindlichkeit eines laser-kreisels gegenueber magnetfeld-veraenderungen. Expired - Fee Related DE3581189D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/649,564 US4698823A (en) 1984-09-12 1984-09-12 System for reducing the sensitivity of a ring laser gyro to changes in a magnetic field
PCT/US1985/001702 WO1986001947A1 (en) 1984-09-12 1985-09-09 A system for reducing the sensitivity of a ring laser gyro to changes in magnetic field

Publications (1)

Publication Number Publication Date
DE3581189D1 true DE3581189D1 (de) 1991-02-07

Family

ID=24605345

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585905678T Expired - Fee Related DE3581189D1 (de) 1984-09-12 1985-09-09 System zur reduzierung der empfindlichkeit eines laser-kreisels gegenueber magnetfeld-veraenderungen.

Country Status (6)

Country Link
US (1) US4698823A (de)
EP (1) EP0192770B1 (de)
JP (1) JPH0642567B2 (de)
CA (1) CA1250939A (de)
DE (1) DE3581189D1 (de)
WO (1) WO1986001947A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4968136A (en) * 1988-09-02 1990-11-06 Northrop Corporation Ring laser gyro and magnetic mirror therefor
EP2643907A4 (de) * 2010-10-25 2017-12-06 MACOM Technology Solutions Holdings, Inc. Langer halbleiterlaser-hohlraum in einem kompakten chip
CN104810709B (zh) * 2015-05-15 2018-03-27 中国船舶重工集团公司第七一七研究所 一种环形激光器
CN108092125B (zh) * 2017-12-26 2020-06-09 华中光电技术研究所（中国船舶重工集团公司第七一七研究所） 一种对称型环形激光器及其制作方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3622225A (en) * 1969-12-22 1971-11-23 Union Carbide Corp Single plate laser beam polarizer
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
US4219275A (en) * 1978-06-22 1980-08-26 Rockwell International Corporation Ring laser having magnetic isolation of counter-propagating light waves
US4272194A (en) * 1978-09-05 1981-06-09 Christa L. Gievers Rotation sensitive ring laser system
US4213705A (en) * 1978-11-09 1980-07-22 Litton Systems, Inc. Four mode Zeeman laser gyroscope with minimum hole burning competition
US4247832A (en) * 1978-12-26 1981-01-27 Litton Systems, Inc. Isotropic nonplanar ring laser
IL61156A (en) * 1979-11-05 1983-07-31 Litton Systems Inc Dithered ring laser with minimized mirror backscattering
CA1154851A (en) * 1980-03-24 1983-10-04 Litton Systems, Inc. Acoustically dithered ring laser gyro
US4475199A (en) * 1980-06-02 1984-10-02 Litton Systems, Inc. Zeeman multioscillator ring laser gyro insensitive to magnetic fields and detuning frequencies
DE3115906A1 (de) * 1981-04-21 1982-10-28 Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5000 Köln Ringlaser

Also Published As

Publication number Publication date
JPS62500209A (ja) 1987-01-22
WO1986001947A1 (en) 1986-03-27
US4698823A (en) 1987-10-06
CA1250939A (en) 1989-03-07
JPH0642567B2 (ja) 1994-06-01
EP0192770A4 (de) 1987-02-12
EP0192770B1 (de) 1990-12-27
EP0192770A1 (de) 1986-09-03

Similar Documents

Publication Publication Date Title
DE3585396D1 (de) Anzeiger von tatrand eines flugzeugs.
DE3582561D1 (de) Schutzkammerkonstruktion zur zurueckhaltung von fransenmagnetfeldern.
DE3682730D1 (de) Eichung eines magnetischen kompasses.
DE3672865D1 (de) Verfahren zur teilzaehlung der energieverbrauchskosten.
DE3578714D1 (de) Verfahren zum messen der magnetischen kernresonanz.
BR7806712A (pt) Sistema de gravacao magnetica
FI811828L (fi) Magnetiskt placerbara biosoenderdelbara lipid-mikrosfaerer
IT1170803B (it) Sistema di compensazione per bussole magnetiche
DE3672919D1 (de) Zusammensetzung eines magnetoresistiven lesewandlers.
DK162661C (da) Magnetisk niveauindikator
DE3577493D1 (de) Pruefverfahren fuer bestandteile eines magnetischen speichersystems.
DE3583211D1 (de) Messkopf zur dimensionsueberwachung von mechanischen teilen.
MX152538A (es) Mejoras a sistema optico para la lectura de patrones lineales discretos
DE3587728D1 (de) Magnetisches Aufzeichnungsgerät.
AT397687B (de) Magnetschlüsselbetätigter schliesszylinder
PT72557B (de) Polarisiertes magnetsystem
IT1151344B (it) Testina magnetica
DE3177200D1 (de) Betaetigungssystem fuer eine steuerflaeche eines flugzeugs.
DE3871168D1 (de) Verfahren zur messung von biomasse.
BR8500343A (pt) Medidor de movimento
DE3581189D1 (de) System zur reduzierung der empfindlichkeit eines laser-kreisels gegenueber magnetfeld-veraenderungen.
ES253127Y (es) Pulsera magnetica perfeccionada
NO852857L (no) Fremgangsmaate for prosessering av signalopptak ved seismiske undersoekelser.
DK438281A (da) Magnetisk doerlaas
AT372217B (de) Haltemagnetausloeser hoher empfindlichkeit

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee