FR2542867B1 - Controleur de la longueur de trajet pour ensemble gyroscopique a laser en anneaux a trois axes - Google Patents

Controleur de la longueur de trajet pour ensemble gyroscopique a laser en anneaux a trois axes

Info

Publication number
FR2542867B1
FR2542867B1 FR8401043A FR8401043A FR2542867B1 FR 2542867 B1 FR2542867 B1 FR 2542867B1 FR 8401043 A FR8401043 A FR 8401043A FR 8401043 A FR8401043 A FR 8401043A FR 2542867 B1 FR2542867 B1 FR 2542867B1
Authority
FR
France
Prior art keywords
gasroscopic
path length
laser assembly
length controller
axis 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
Application number
FR8401043A
Other languages
English (en)
Other versions
FR2542867A1 (fr
Inventor
Bo Hans Gunnar Ljung
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.)
Singer Co
Original Assignee
Singer 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 Singer Co filed Critical Singer Co
Publication of FR2542867A1 publication Critical patent/FR2542867A1/fr
Application granted granted Critical
Publication of FR2542867B1 publication Critical patent/FR2542867B1/fr
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
    • G01C19/668—Assemblies for measuring along different axes, e.g. triads
    • 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)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Plasma & Fusion (AREA)
  • Gyroscopes (AREA)
  • Lasers (AREA)
FR8401043A 1983-03-17 1984-01-24 Controleur de la longueur de trajet pour ensemble gyroscopique a laser en anneaux a trois axes Expired FR2542867B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/476,447 US4585346A (en) 1983-03-17 1983-03-17 Pathlength controller for three-axis ring laser gyroscope assembly

Publications (2)

Publication Number Publication Date
FR2542867A1 FR2542867A1 (fr) 1984-09-21
FR2542867B1 true FR2542867B1 (fr) 1987-08-07

Family

ID=23891885

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8401043A Expired FR2542867B1 (fr) 1983-03-17 1984-01-24 Controleur de la longueur de trajet pour ensemble gyroscopique a laser en anneaux a trois axes

Country Status (11)

Country Link
US (1) US4585346A (fr)
JP (1) JPS59175179A (fr)
AU (1) AU561846B2 (fr)
CA (1) CA1198916A (fr)
DE (1) DE3409152A1 (fr)
FR (1) FR2542867B1 (fr)
GB (1) GB2137013B (fr)
IL (1) IL70168A (fr)
IT (1) IT1173819B (fr)
NO (1) NO834875L (fr)
SE (1) SE451766B (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3481215D1 (de) * 1983-06-29 1990-03-08 British Aerospace Mehrachsiger ringlaserkreisel.
US4751718A (en) * 1985-05-10 1988-06-14 Honeywell Inc. Dither suspension mechanism for a ring laser angular rate sensor
US4839903A (en) * 1985-06-27 1989-06-13 British Aerospace Public Limited Company Ring laser gyroscopes
IT1221708B (it) * 1987-01-14 1990-07-12 Licinio Ugo Perfezionamenti del sistema ottico-elettronico di determinazione della direzione e della velocita' di un veicolo a mezzo laser interno,applicati anche per rilevare contemporaneamente rotazioni trasversali
US4886364A (en) * 1987-04-06 1989-12-12 Kearfott Guidance & Navigation Corporation Ring laser gyroscope beam combiner for separating and combining circulating laser beams for power and fringe pattern detections
US4836675A (en) * 1987-06-29 1989-06-06 Litton Systems, Inc. Apparatus and method for detecting rotation rate and direction of rotation and providing cavity length control in multioscillator ring laser gyroscopes
EP0332412A1 (fr) * 1988-03-07 1989-09-13 Kearfott Guidance & Navigation Corporation Dispositif de contrôle simultané des franges d'interférences et de la puissance pour un gyroscope à laser en anneau
FR2759161B1 (fr) * 1997-02-05 1999-05-07 Sextant Avionique Dispositif de fixation d'un bloc optique de gyrometre laser sur un mecanisme d'activation
FR2759162B1 (fr) * 1997-02-05 1999-04-30 Sextant Avionique Dispositif de fixation du bloc optique d'un gyrometre laser triaxial sur un dispositif d'activation
FR2759160B1 (fr) * 1997-02-05 1999-04-23 Sextant Avionique Gyrometre laser triaxial symetrise par rapport a son axe d'activation
CN100424470C (zh) * 2004-10-28 2008-10-08 金世龙 一种激光陀螺调腔方法及其使用的光路程长控制镜
FR2902870B1 (fr) 2006-06-23 2008-09-05 Thales Sa Dispositif d'amelioration de la duree de vie d'un gyrometre triaxial
FR2927698B1 (fr) * 2008-02-15 2010-12-24 Thales Sa Methode de positionnement des miroirs d'un gyrometre laser triaxe, notamment au demarrage du gyrometre

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4152071A (en) * 1976-08-02 1979-05-01 Honeywell Inc. Control apparatus
FR2512198A1 (fr) * 1980-03-21 1983-03-04 Sfena Gyrometre laser triaxial, monobloc, compact a six miroirs
GB2076213B (en) * 1980-05-09 1983-08-17 Sperry Ltd Ring laser gyroscopes
US4320974A (en) * 1980-06-30 1982-03-23 The Singer Company Pathlength controller for a ring laser cyroscope
US4477188A (en) * 1982-04-16 1984-10-16 The Singer Company Monolithic three axis ring laser gyroscope

Also Published As

Publication number Publication date
NO834875L (no) 1984-09-18
SE8401425D0 (sv) 1984-03-14
IL70168A (en) 1988-06-30
IT8420013A0 (it) 1984-03-12
IT1173819B (it) 1987-06-24
JPS59175179A (ja) 1984-10-03
DE3409152A1 (de) 1984-09-20
SE8401425L (sv) 1984-09-18
AU561846B2 (en) 1987-05-21
US4585346A (en) 1986-04-29
SE451766B (sv) 1987-10-26
GB2137013A (en) 1984-09-26
FR2542867A1 (fr) 1984-09-21
CA1198916A (fr) 1986-01-07
GB8405397D0 (en) 1984-04-04
GB2137013B (en) 1986-10-22
AU2082883A (en) 1984-09-20

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Legal Events

Date Code Title Description
ST Notification of lapse