DE3877586D1 - Streuungssymmetrierung in einem mehrfachmoden-ringlaserkreisel. - Google Patents

Streuungssymmetrierung in einem mehrfachmoden-ringlaserkreisel.

Info

Publication number
DE3877586D1
DE3877586D1 DE8989905030T DE3877586T DE3877586D1 DE 3877586 D1 DE3877586 D1 DE 3877586D1 DE 8989905030 T DE8989905030 T DE 8989905030T DE 3877586 T DE3877586 T DE 3877586T DE 3877586 D1 DE3877586 D1 DE 3877586D1
Authority
DE
Germany
Prior art keywords
symmeterization
scattering
ring laser
laser gyro
mode ring
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
DE8989905030T
Other languages
English (en)
Other versions
DE3877586T2 (de
Inventor
P Rahn
B Hall
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
Publication of DE3877586D1 publication Critical patent/DE3877586D1/de
Application granted granted Critical
Publication of DE3877586T2 publication Critical patent/DE3877586T2/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
    • G01C19/02—Rotary gyroscopes
    • G01C19/04—Details
    • 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
    • G01C19/667—Ring laser gyrometers using a multioscillator ring laser
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Gyroscopes (AREA)
  • Lasers (AREA)
DE8989905030T 1988-04-14 1988-11-22 Streuungssymmetrierung in einem mehrfachmoden-ringlaserkreisel. Expired - Fee Related DE3877586T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/181,490 US4962506A (en) 1988-04-14 1988-04-14 Scatter symmetrization in multi-mode ring laser gyros
PCT/US1988/004168 WO1989009925A1 (en) 1988-04-14 1988-11-22 Scatter symmetrization in multi-mode ring laser gyros

Publications (2)

Publication Number Publication Date
DE3877586D1 true DE3877586D1 (de) 1993-02-25
DE3877586T2 DE3877586T2 (de) 1993-08-19

Family

ID=22664489

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8989905030T Expired - Fee Related DE3877586T2 (de) 1988-04-14 1988-11-22 Streuungssymmetrierung in einem mehrfachmoden-ringlaserkreisel.

Country Status (7)

Country Link
US (1) US4962506A (de)
EP (1) EP0414733B1 (de)
JP (1) JPH03504428A (de)
KR (1) KR930004968B1 (de)
CA (1) CA1292545C (de)
DE (1) DE3877586T2 (de)
WO (1) WO1989009925A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5907402A (en) * 1990-02-12 1999-05-25 Martin; Graham J. Multioscillator ring laser gyro using compensated optical wedge
JPH07211972A (ja) * 1994-01-20 1995-08-11 Fanuc Ltd レーザ発振器
US5428700A (en) * 1994-07-29 1995-06-27 Litton Systems, Inc. Laser stabilization
US8660391B1 (en) 2011-09-30 2014-02-25 Aurrion, Inc. Heterogeneous waveguide integrated optical isolator and circulator utilizing one or more optical grating couplers

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3741657A (en) * 1971-03-03 1973-06-26 Raytheon Co Laser gyroscope
US4548501A (en) * 1978-01-03 1985-10-22 Raytheon Company Laser gyroscope system
CA1116279A (en) * 1978-01-03 1982-01-12 Terry A. Dorschner Laser gyroscope system
US4247832A (en) * 1978-12-26 1981-01-27 Litton Systems, Inc. Isotropic nonplanar ring laser
US4397027A (en) * 1981-01-05 1983-08-02 Raytheon Company Self-compensating gas discharge path for laser gyro
US4494873A (en) * 1981-02-17 1985-01-22 Raytheon Company Electromagnetic wave reflections absorber
US4627732A (en) * 1981-05-20 1986-12-09 Raytheon Company Mode discrimination apparatus
US4519708A (en) * 1981-05-20 1985-05-28 Raytheon Company Mode discrimination apparatus
US4687331A (en) * 1982-05-19 1987-08-18 Raytheon Company Ring laser gyroscope

Also Published As

Publication number Publication date
EP0414733B1 (de) 1993-01-13
CA1292545C (en) 1991-11-26
US4962506A (en) 1990-10-09
KR900700852A (ko) 1990-08-17
KR930004968B1 (ko) 1993-06-11
WO1989009925A1 (en) 1989-10-19
DE3877586T2 (de) 1993-08-19
EP0414733A1 (de) 1991-03-06
JPH03504428A (ja) 1991-09-26

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Legal Events

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