CA1116279A - Laser gyroscope system - Google Patents

Laser gyroscope system

Info

Publication number
CA1116279A
CA1116279A CA317,534A CA317534A CA1116279A CA 1116279 A CA1116279 A CA 1116279A CA 317534 A CA317534 A CA 317534A CA 1116279 A CA1116279 A CA 1116279A
Authority
CA
Canada
Prior art keywords
path
combination
waves
passages
solid
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
Application number
CA317,534A
Other languages
English (en)
French (fr)
Inventor
Terry A. Dorschner
Irl W. Smith
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.)
Raytheon Co
Original Assignee
Raytheon 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 Raytheon Co filed Critical Raytheon Co
Application granted granted Critical
Publication of CA1116279A publication Critical patent/CA1116279A/en
Expired 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
    • G01C19/667—Ring laser gyrometers using a multioscillator ring laser
    • 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)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Plasma & Fusion (AREA)
  • Gyroscopes (AREA)
  • Lasers (AREA)
CA317,534A 1978-01-03 1978-12-07 Laser gyroscope system Expired CA1116279A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US86809678A 1978-01-03 1978-01-03
US868.096 1978-01-03

Publications (1)

Publication Number Publication Date
CA1116279A true CA1116279A (en) 1982-01-12

Family

ID=25351066

Family Applications (1)

Application Number Title Priority Date Filing Date
CA317,534A Expired CA1116279A (en) 1978-01-03 1978-12-07 Laser gyroscope system

Country Status (7)

Country Link
JP (1) JPS5498195A (me)
CA (1) CA1116279A (me)
DE (1) DE2900125A1 (me)
FR (1) FR2413635A1 (me)
GB (1) GB2012101B (me)
IT (1) IT1113711B (me)
NL (1) NL189980C (me)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2471583A1 (fr) * 1979-12-14 1981-06-19 Thomson Csf Procede et dispositif de modulation de la phase des ondes circulant dans un interferometre en anneau
CA1189600A (en) * 1980-10-17 1985-06-25 Raytheon Company Dispersion equalized ring laser gyroscope
US4397027A (en) * 1981-01-05 1983-08-02 Raytheon Company Self-compensating gas discharge path for laser gyro
GB2120839A (en) * 1982-05-19 1983-12-07 Raytheon Co Ring laser gyroscope
US4616930A (en) * 1983-04-20 1986-10-14 Litton Systems, Inc. Optically biased twin ring laser gyroscope
JPS6068684A (ja) * 1983-09-26 1985-04-19 Fujitsu Ltd レ−ザ光源装置
GB2184285B (en) * 1983-11-07 1990-08-01 Raytheon Co Ring laser gyroscope
US4578793A (en) * 1984-07-13 1986-03-25 The Board Of Trustees Of The Leland Stanford Junior University Solid-state non-planar internally reflecting ring laser
US4962506A (en) * 1988-04-14 1990-10-09 Litton Systems, Inc. Scatter symmetrization in multi-mode ring laser gyros
US5469256A (en) * 1988-07-29 1995-11-21 Litton Systems, Inc. Multipole magnetic geometry for a ring laser gyroscope

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3245314A (en) * 1962-06-28 1966-04-12 Bell Telephone Labor Inc Optical rotation devices employing a ferromagnetic chromium trihalide
US3373650A (en) * 1965-04-02 1968-03-19 Honeywell Inc Laser angular rate sensor
US3741657A (en) * 1971-03-03 1973-06-26 Raytheon Co Laser gyroscope
JPS5045904Y2 (me) * 1972-06-07 1975-12-25
DE2335597A1 (de) * 1972-07-17 1974-01-31 North American Rockwell Ringlaser-gyroskop
JPS4940557A (me) * 1972-08-16 1974-04-16
US3841758A (en) * 1972-09-28 1974-10-15 J Gievers Rotation sensitive retarder
JPS5146340B2 (me) * 1972-12-12 1976-12-08
DE2432479C2 (de) * 1974-07-04 1985-05-30 Sperry Corp., New York, N.Y. Ringlaser
JPS5349629Y2 (me) * 1974-10-02 1978-11-29
CA1077602A (en) * 1976-01-02 1980-05-13 Raytheon Company Electromagnetic wave ring resonator

Also Published As

Publication number Publication date
FR2413635A1 (fr) 1979-07-27
NL189980C (nl) 1993-09-16
DE2900125C2 (me) 1993-04-01
IT1113711B (it) 1986-01-20
GB2012101B (en) 1982-04-21
JPS5498195A (en) 1979-08-02
JPH0321889B2 (me) 1991-03-25
IT7947511A0 (it) 1979-01-02
NL189980B (nl) 1993-04-16
FR2413635B1 (me) 1984-09-14
DE2900125A1 (de) 1979-07-12
GB2012101A (en) 1979-07-18
NL7812668A (nl) 1979-07-05

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Legal Events

Date Code Title Description
MKEX Expiry