CA2012788A1 - Gyrolaser a fibre optique - Google Patents

Gyrolaser a fibre optique

Info

Publication number
CA2012788A1
CA2012788A1 CA2012788A CA2012788A CA2012788A1 CA 2012788 A1 CA2012788 A1 CA 2012788A1 CA 2012788 A CA2012788 A CA 2012788A CA 2012788 A CA2012788 A CA 2012788A CA 2012788 A1 CA2012788 A1 CA 2012788A1
Authority
CA
Canada
Prior art keywords
phase
detected
light
phase modulator
voltage
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.)
Granted
Application number
CA2012788A
Other languages
English (en)
Other versions
CA2012788C (fr
Inventor
Kenichi Okada
Shu Tanigawa
Masashi Nishino
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.)
Japan Aviation Electronics Industry Ltd
Original Assignee
Japan Aviation Electronics Industry Ltd
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 Japan Aviation Electronics Industry Ltd filed Critical Japan Aviation Electronics Industry Ltd
Publication of CA2012788A1 publication Critical patent/CA2012788A1/fr
Application granted granted Critical
Publication of CA2012788C publication Critical patent/CA2012788C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01C19/72—Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams with counter-rotating light beams in a passive ring, e.g. fibre laser gyrometers
    • G01C19/726—Phase nulling gyrometers, i.e. compensating the Sagnac phase shift in a closed loop system

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Gyroscopes (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
CA002012788A 1989-03-23 1990-03-22 Gyrolaser a fibre optique Expired - Lifetime CA2012788C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1072764A JPH0652173B2 (ja) 1989-03-23 1989-03-23 光千渉角速度計
JP72764/89 1989-03-23

Publications (2)

Publication Number Publication Date
CA2012788A1 true CA2012788A1 (fr) 1990-09-23
CA2012788C CA2012788C (fr) 1994-03-29

Family

ID=13498762

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002012788A Expired - Lifetime CA2012788C (fr) 1989-03-23 1990-03-22 Gyrolaser a fibre optique

Country Status (5)

Country Link
US (1) US5020913A (fr)
EP (1) EP0388929B1 (fr)
JP (1) JPH0652173B2 (fr)
CA (1) CA2012788C (fr)
DE (1) DE69000146T2 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2670885B1 (fr) * 1990-12-21 1993-04-09 Applic Gles Elec Meca Gyrometre en anneau a modulateur electro-optique.
JPH0749963B2 (ja) * 1990-12-26 1995-05-31 日本航空電子工業株式会社 光干渉角速度計
US5412471A (en) * 1991-03-12 1995-05-02 Mitsubishi Precision Co., Ltd. Optical gyro with expanded detectable range of input rotation angular velocity and optical waveguide-type phase modulator used in the same
JP2697357B2 (ja) * 1991-05-14 1998-01-14 日立電線株式会社 光ファイバ回転角速度センサ
JP2532326B2 (ja) * 1992-07-22 1996-09-11 日本航空電子工業株式会社 光干渉角速度計
EP0611950B1 (fr) * 1993-02-17 1997-01-08 LITEF GmbH Compensation des changements de la longueur d'onde de la source de lumière dans un interferomètre du type sagnac à fibre optique et à boucle fermée
DE19802095C1 (de) * 1998-01-21 1999-08-19 Litef Gmbh Verfahren und Einrichtung zur Stabilisierung des Skalenfaktors eines faseroptischen Kreisels
GB9820493D0 (en) * 1998-09-22 1998-11-11 Secr Defence Optical phase detector
US7726876B2 (en) 2007-03-14 2010-06-01 Entegris, Inc. System and method for non-intrusive thermal monitor
CN101408427B (zh) * 2008-11-19 2010-09-08 北京航天时代光电科技有限公司 一种光纤陀螺仪分布式分层级温度误差补偿方法
CN101738204B (zh) * 2009-12-31 2012-06-27 上海亨通光电科技有限公司 光纤陀螺仪温度补偿方法
CN101915588B (zh) * 2010-07-14 2011-11-09 北京航空航天大学 一种惯性器件的温度误差补偿方法
CN102032919B (zh) * 2010-10-15 2012-09-26 北京大学 抑制零点漂移的干涉型全光纤陀螺仪
US8213018B2 (en) * 2010-11-10 2012-07-03 Honeywell International Inc. Constant optical power sensor using a light source current servo combined with digital demodulation intensity suppression for radiation and vibration insensitivity in a fiber optic gyroscope
CN111141267B (zh) * 2019-12-31 2021-10-22 中国船舶重工集团公司第七一七研究所 一种机抖激光陀螺仪抖动控制系统抗干扰的方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3104786A1 (de) * 1981-02-11 1982-09-02 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt "verfahren und anordnung zur messung absoluter drehungen"
US4456376A (en) * 1981-04-06 1984-06-26 Lear Siegler, Inc. Optical rate sensor
GB2157425B (en) * 1984-03-29 1987-08-12 British Aerospace Fibre interferometric sensors
FR2566133B1 (fr) * 1984-06-14 1986-08-29 Thomson Csf Dispositif de mesure d'un dephasage non reciproque engendre dans un interferometre en anneau
DE3426867A1 (de) * 1984-07-20 1986-01-30 LITEF Litton Technische Werke der Hellige GmbH, 7800 Freiburg Verfahren und einrichtung zur drehratenmessung unter verwendung des sagnac-effekts
FR2616538B1 (fr) * 1987-06-11 1989-09-01 Alsthom Systeme interferometrique a fibre optique de type sagnac

Also Published As

Publication number Publication date
JPH02249912A (ja) 1990-10-05
CA2012788C (fr) 1994-03-29
US5020913A (en) 1991-06-04
JPH0652173B2 (ja) 1994-07-06
DE69000146T2 (de) 1992-12-24
DE69000146D1 (de) 1992-07-23
EP0388929B1 (fr) 1992-06-17
EP0388929A1 (fr) 1990-09-26

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed
MKEC Expiry (correction)

Effective date: 20121202