CA1136249A - Systeme gyroscopique a laser a boucle a asservissement de phase - Google Patents

Systeme gyroscopique a laser a boucle a asservissement de phase

Info

Publication number
CA1136249A
CA1136249A CA000322871A CA322871A CA1136249A CA 1136249 A CA1136249 A CA 1136249A CA 000322871 A CA000322871 A CA 000322871A CA 322871 A CA322871 A CA 322871A CA 1136249 A CA1136249 A CA 1136249A
Authority
CA
Canada
Prior art keywords
signal
frequency
difference
producing
coupled
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
CA000322871A
Other languages
English (en)
Inventor
James B. Matthews
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 CA1136249A publication Critical patent/CA1136249A/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
    • G01C19/667—Ring laser gyrometers using a multioscillator ring laser

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)
  • Gyroscopes (AREA)
  • Lasers (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
CA000322871A 1978-03-27 1979-03-05 Systeme gyroscopique a laser a boucle a asservissement de phase Expired CA1136249A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US89042378A 1978-03-27 1978-03-27
US890,423 1978-03-27

Publications (1)

Publication Number Publication Date
CA1136249A true CA1136249A (fr) 1982-11-23

Family

ID=25396657

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000322871A Expired CA1136249A (fr) 1978-03-27 1979-03-05 Systeme gyroscopique a laser a boucle a asservissement de phase

Country Status (4)

Country Link
JP (1) JPS54139392A (fr)
CA (1) CA1136249A (fr)
DE (1) DE2911789A1 (fr)
GB (1) GB2017392B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1132692A (fr) * 1978-04-07 1982-09-28 James B. Matthews Systeme gyroscopique a laser avec boucle a asservissement de phase
US4697888A (en) * 1982-04-21 1987-10-06 Chevron Research Company Frequency shifted cavity for electromagnetic radiation
US4586184A (en) * 1983-10-21 1986-04-29 Chevron Research Company Acoustically controlled frequency shifted cavity for electromagnetic radiation
GB2184285B (en) * 1983-11-07 1990-08-01 Raytheon Co Ring laser gyroscope
US4652132A (en) * 1983-11-07 1987-03-24 Raytheon Company Optical power compensated ring laser gyroscope
JP3323844B2 (ja) * 1999-01-18 2002-09-09 キヤノン株式会社 ジャイロ
US6665330B1 (en) 1999-09-14 2003-12-16 Canon Kabushiki Kaisha Semiconductor device having a semiconductor ring laser with a circularly formed ridge optical waveguide
JP2001159521A (ja) 1999-12-01 2001-06-12 Canon Inc 角速度検出装置
FR2876447B1 (fr) * 2004-03-16 2007-11-02 Thales Sa Gyrolaser a etat solide stabilise a quatre modes sans zone aveugle

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3697181A (en) * 1967-03-14 1972-10-10 Sperry Rand Corp Ring laser having amplitude and phase controlled crossed-beam anti-locking feedback
US3741657A (en) * 1971-03-03 1973-06-26 Raytheon Co Laser gyroscope
US3807866A (en) * 1972-04-21 1974-04-30 Rockwell International Corp Ring laser gyroscope having a constant output beat-frequency
US3846025A (en) * 1973-04-02 1974-11-05 S Wilber Frequency sensitive laser rotary motion sensor

Also Published As

Publication number Publication date
JPS6141158B2 (fr) 1986-09-12
JPS54139392A (en) 1979-10-29
DE2911789A1 (de) 1979-10-04
GB2017392B (en) 1982-05-26
DE2911789C2 (fr) 1991-08-29
GB2017392A (en) 1979-10-03

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Legal Events

Date Code Title Description
MKEX Expiry