DE3870460D1 - Gegen thermische gradienten bestaendige ringlaserkreiselstruktur. - Google Patents

Gegen thermische gradienten bestaendige ringlaserkreiselstruktur.

Info

Publication number
DE3870460D1
DE3870460D1 DE8888909885T DE3870460T DE3870460D1 DE 3870460 D1 DE3870460 D1 DE 3870460D1 DE 8888909885 T DE8888909885 T DE 8888909885T DE 3870460 T DE3870460 T DE 3870460T DE 3870460 D1 DE3870460 D1 DE 3870460D1
Authority
DE
Germany
Prior art keywords
ringlaser
circular structure
thermal gradients
structure resistant
resistant
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
DE8888909885T
Other languages
English (en)
Inventor
G Fridric
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 DE3870460D1 publication Critical patent/DE3870460D1/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
    • 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
    • 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
    • H01S3/0835—Gas 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)
DE8888909885T 1987-08-21 1988-08-19 Gegen thermische gradienten bestaendige ringlaserkreiselstruktur. Expired - Fee Related DE3870460D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/088,079 US4867567A (en) 1987-08-21 1987-08-21 Ring laser gyro frame design resistant to thermal gradient effects
PCT/US1988/002867 WO1989001605A2 (en) 1987-08-21 1988-08-19 Ring laser gyro frame design resistant to thermal gradient effects

Publications (1)

Publication Number Publication Date
DE3870460D1 true DE3870460D1 (de) 1992-05-27

Family

ID=22209283

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888909885T Expired - Fee Related DE3870460D1 (de) 1987-08-21 1988-08-19 Gegen thermische gradienten bestaendige ringlaserkreiselstruktur.

Country Status (6)

Country Link
US (1) US4867567A (de)
EP (1) EP0393085B1 (de)
JP (1) JPH02504689A (de)
KR (1) KR920008207B1 (de)
DE (1) DE3870460D1 (de)
WO (1) WO1989001605A2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5022759A (en) * 1990-03-05 1991-06-11 Allied-Signal Inc. Ring laser gyroscope arranged for maintaining ionized gas discharge transverse to the optical axis of the gyroscope
US8781778B2 (en) * 2011-09-30 2014-07-15 Honeywell International Inc. Systems and methods for thermal gradient compensation for ring laser gyroscopes
US9091598B2 (en) 2011-09-30 2015-07-28 Honeywell International Inc. Circuits for determining differential and average temperatures from resistive temperature devices

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4190364A (en) * 1977-09-07 1980-02-26 The Singer Company Ring laser gyroscope
US4257015A (en) * 1979-03-26 1981-03-17 The Singer Company Ring laser gyroscope anode
US4653919A (en) * 1982-02-08 1987-03-31 Sundstrand Optical Technologies, Inc. Laser gyro with dithered mirrors and current dither
US4521110A (en) * 1982-12-13 1985-06-04 The United States Of America As Represented By The Secretary Of The Army Dual cavity laser gyro
US4705398A (en) * 1985-05-20 1987-11-10 Northrop Corporation Pentagonal ring laser gyro design
US4790657A (en) * 1986-03-18 1988-12-13 Litton Systems, Inc. Ring laser gyroscope curved blade flexure and support ring assembly and method

Also Published As

Publication number Publication date
JPH02504689A (ja) 1990-12-27
US4867567A (en) 1989-09-19
EP0393085A1 (de) 1990-10-24
EP0393085B1 (de) 1992-04-22
WO1989001605A2 (en) 1989-02-23
KR890701993A (ko) 1989-12-22
WO1989001605A3 (en) 1989-03-23
KR920008207B1 (ko) 1992-09-25

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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