FR2413635B1 - - Google Patents

Info

Publication number
FR2413635B1
FR2413635B1 FR7836927A FR7836927A FR2413635B1 FR 2413635 B1 FR2413635 B1 FR 2413635B1 FR 7836927 A FR7836927 A FR 7836927A FR 7836927 A FR7836927 A FR 7836927A FR 2413635 B1 FR2413635 B1 FR 2413635B1
Authority
FR
France
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
FR7836927A
Other languages
French (fr)
Other versions
FR2413635A1 (fr
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
Publication of FR2413635A1 publication Critical patent/FR2413635A1/fr
Application granted granted Critical
Publication of FR2413635B1 publication Critical patent/FR2413635B1/fr
Granted 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)
FR7836927A 1978-01-03 1978-12-29 Gyroscope a laser Granted FR2413635A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US86809678A 1978-01-03 1978-01-03

Publications (2)

Publication Number Publication Date
FR2413635A1 FR2413635A1 (fr) 1979-07-27
FR2413635B1 true FR2413635B1 (el) 1984-09-14

Family

ID=25351066

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7836927A Granted FR2413635A1 (fr) 1978-01-03 1978-12-29 Gyroscope a laser

Country Status (7)

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

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 (el) * 1972-06-07 1975-12-25
DE2335597A1 (de) * 1972-07-17 1974-01-31 North American Rockwell Ringlaser-gyroskop
JPS4940557A (el) * 1972-08-16 1974-04-16
US3841758A (en) * 1972-09-28 1974-10-15 J Gievers Rotation sensitive retarder
JPS5146340B2 (el) * 1972-12-12 1976-12-08
DE2432479C2 (de) * 1974-07-04 1985-05-30 Sperry Corp., New York, N.Y. Ringlaser
JPS5349629Y2 (el) * 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
IT7947511A0 (it) 1979-01-02
CA1116279A (en) 1982-01-12
NL7812668A (nl) 1979-07-05
IT1113711B (it) 1986-01-20
DE2900125C2 (el) 1993-04-01
FR2413635A1 (fr) 1979-07-27
GB2012101A (en) 1979-07-18
NL189980B (nl) 1993-04-16
GB2012101B (en) 1982-04-21
JPH0321889B2 (el) 1991-03-25
DE2900125A1 (de) 1979-07-12
JPS5498195A (en) 1979-08-02
NL189980C (nl) 1993-09-16

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Legal Events

Date Code Title Description
ST Notification of lapse