BR8802842A - Sistema inteferometrico com fibra otica do tipo sagnac - Google Patents

Sistema inteferometrico com fibra otica do tipo sagnac

Info

Publication number
BR8802842A
BR8802842A BR8802842A BR8802842A BR8802842A BR 8802842 A BR8802842 A BR 8802842A BR 8802842 A BR8802842 A BR 8802842A BR 8802842 A BR8802842 A BR 8802842A BR 8802842 A BR8802842 A BR 8802842A
Authority
BR
Brazil
Prior art keywords
fiber optic
type fiber
optic system
sagnac type
sagnac
Prior art date
Application number
BR8802842A
Other languages
English (en)
Inventor
Jean-Pierre Dupraz
Original Assignee
Alsthom
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 Alsthom filed Critical Alsthom
Publication of BR8802842A publication Critical patent/BR8802842A/pt

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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/24—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices
    • G01R15/245—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices using magneto-optical modulators, e.g. based on the Faraday or Cotton-Mouton effect
    • G01R15/246—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices using magneto-optical modulators, e.g. based on the Faraday or Cotton-Mouton effect based on the Faraday, i.e. linear magneto-optic, effect
BR8802842A 1987-06-11 1988-06-10 Sistema inteferometrico com fibra otica do tipo sagnac BR8802842A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8708135A FR2616538B1 (fr) 1987-06-11 1987-06-11 Systeme interferometrique a fibre optique de type sagnac

Publications (1)

Publication Number Publication Date
BR8802842A true BR8802842A (pt) 1989-01-03

Family

ID=9351929

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8802842A BR8802842A (pt) 1987-06-11 1988-06-10 Sistema inteferometrico com fibra otica do tipo sagnac

Country Status (9)

Country Link
US (1) US4848910A (pt)
EP (1) EP0297338B1 (pt)
JP (1) JP2554525B2 (pt)
CN (1) CN1013710B (pt)
BR (1) BR8802842A (pt)
CA (1) CA1291253C (pt)
DE (1) DE3863856D1 (pt)
ES (1) ES2023979B3 (pt)
FR (1) FR2616538B1 (pt)

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* Cited by examiner, † Cited by third party
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JPH0652173B2 (ja) * 1989-03-23 1994-07-06 日本航空電子工業株式会社 光千渉角速度計
EP0416070B1 (en) * 1989-03-27 1993-06-09 United Technologies Corporation Single-polarization, integrated optical components for optical gyroscopes
US5223911A (en) * 1989-03-27 1993-06-29 United Technologies Corporation Single-polarization, integrated optical components for optical gyroscopes
US5012088A (en) * 1989-03-31 1991-04-30 Cole James H High performance fiber optic sensor
JPH02300624A (ja) * 1989-05-15 1990-12-12 Japan Aviation Electron Ind Ltd 光干渉角速度計
US5009480A (en) * 1989-08-11 1991-04-23 Japan Aviation Electronics Industry Limited Fiber optic gyro
US5108183A (en) * 1989-08-31 1992-04-28 The Board Of Trustees Of The Leland Stanford Junior University Interferometer utilizing superfluorescent optical source
US5046808A (en) * 1989-12-18 1991-09-10 Litton Systems, Inc. Integrated optics chip and method of connecting optical fiber thereto
US5264914A (en) * 1990-03-02 1993-11-23 Hitachi Ltd Interference sensor and method utilizing extracted alliasing frequency components
JPH03252521A (ja) * 1990-03-02 1991-11-11 Hitachi Ltd 信号処理方法とその回路および干渉センサと物理量検出方法
DE69124820T2 (de) * 1990-04-26 1997-07-24 Hitachi Cable Optischer Faserkreisel
US5106193A (en) * 1990-08-09 1992-04-21 The Board Of Trustees Of The Leland Stanford Junior University Optical waveguide amplifier source gyroscope
ATE216084T1 (de) * 1991-12-24 2002-04-15 Univ Sydney Stromfühler
US5677622A (en) * 1991-12-24 1997-10-14 The University Of Sydney Current sensor using a Sagnac interferometer and spun, single mode birefringent optical fiber to detect current via the Faraday effect
JP2552602B2 (ja) * 1992-01-16 1996-11-13 日本航空電子工業株式会社 光ファイバジャイロ
EP0551874A3 (en) * 1992-01-16 1993-09-08 Japan Aviation Electronics Industry, Limited Fiber optic gyro
JPH06129859A (ja) * 1992-09-02 1994-05-13 Sumitomo Electric Ind Ltd 光源から信号を取り出す光ファイバジャイロ
US5471301A (en) * 1993-08-23 1995-11-28 Hitachi Cable, Ltd. Optical fiber gyro
JPH07151555A (ja) * 1993-11-26 1995-06-16 Sumitomo Electric Ind Ltd 光源から信号を取り出す光ファイバジャイロ
US5587791A (en) * 1994-09-27 1996-12-24 Citeq Optical interferometric current sensor and method using a single mode birefringent waveguide and a pseudo-depolarizer for measuring electrical current
US5563705A (en) * 1995-06-07 1996-10-08 Honeywell, Inc. Optical power balancing in interferometric fiber optic gyroscopes
EP0802397B1 (en) * 1996-04-19 2003-06-25 KVH Industries, Inc. Fiber optic gyroscope
JPH1038583A (ja) 1996-04-19 1998-02-13 Andrew Corp 干渉測定型光ファイバ・ジャイロスコープ・システム
US6563589B1 (en) 1996-04-19 2003-05-13 Kvh Industries, Inc. Reduced minimum configuration fiber optic current sensor
US6891622B2 (en) 1999-02-11 2005-05-10 Kvh Industries, Inc. Current sensor
US6539134B1 (en) 1999-02-11 2003-03-25 Kvh Industries, Inc. Polarization transformer
US6370289B1 (en) 2000-01-12 2002-04-09 Kvh Industries, Inc. Apparatus and method for electronic RIN reduction in fiber-optic sensors
AU2001255167A1 (en) 2000-02-28 2001-09-03 Kvh Industries, Inc. Faraday-effect current sensor with improved vibration response
AU2001280542A1 (en) 2000-07-13 2002-01-30 Kvh Industries, Inc. Method for controlling fiber optic sensor scale factor
US6429939B1 (en) * 2000-07-13 2002-08-06 Kvh Industries, Inc. DSP signal processing for open loop fiber optic sensors
AU2002217751A1 (en) 2000-08-02 2002-03-26 Kvh Industries, Inc. Decreasing the effects of linear birefringence in a fiber-optic sensor by use of berry's topological phase
US7120323B2 (en) * 2000-08-02 2006-10-10 Kvh Industries, Inc. Reduction of linear birefringence in circular-cored single-mode fiber
US6562906B2 (en) * 2000-08-11 2003-05-13 E. I. Du Pont De Nemours And Company Bi-modal ionomers
US6836334B2 (en) * 2001-10-31 2004-12-28 Kvh Industries, Inc. Angle random walk (ARW) noise reduction in fiber optic sensors using an optical amplifier
US6763153B2 (en) * 2002-04-17 2004-07-13 Kvh Industries, Inc. Apparatus and method for electronic RIN reduction in fiber-optic sensors utilizing filter with group delay
CN1307404C (zh) * 2003-01-28 2007-03-28 电子科技大学 基于马赫－曾德尔干涉原理的干涉式光纤陀螺仪
US7106449B2 (en) * 2003-05-30 2006-09-12 Agilent Technologies, Inc. Systems and methods for fiber optic devices with reduced thermal sensitivity
CN100343637C (zh) * 2003-11-10 2007-10-17 北京航空航天大学 基于sagnac干涉仪的光纤温度传感方法及其传感器
US7333209B2 (en) * 2005-11-09 2008-02-19 Honeywell International, Inc. Fiber optic gyroscope asynchronous demodulation
JP5268367B2 (ja) * 2008-01-10 2013-08-21 株式会社東芝 位相変調子、位相変調子組体及び光センサ
US20090219545A1 (en) * 2008-02-29 2009-09-03 Honeywell International Inc. Stitched waveguide for use in a fiber-optic gyroscope
US8373863B2 (en) * 2008-02-29 2013-02-12 Honeywell International Inc. Stitched waveguide for use in a fiber-optic gyroscope
US8149417B2 (en) * 2010-01-27 2012-04-03 Honeywell International Inc. Synchronous radiation hardened fiber optic gyroscope
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
CN102269588B (zh) * 2011-05-10 2013-07-17 北京海兰盈华科技有限公司 应用于陀螺仪位置监测中的光电检测装置
US20150022818A1 (en) * 2012-06-08 2015-01-22 The Board Of Trustees Of The Leland Stanford Junior University Laser-driven optical gyroscope with push-pull modulation
CN103047980A (zh) * 2012-12-05 2013-04-17 北京大学 再入式光纤陀螺
US9267799B2 (en) * 2014-02-24 2016-02-23 Honeywell International Inc. Method and apparatus of monitoring and tracking optical frequency differences of modulated beams
EP3516333B1 (en) 2016-09-20 2023-05-03 The Board of Trustees of the Leland Stanford Junior University Optical system and method utilizing a laser-driven light source with white noise modulation
CN109612451A (zh) * 2019-01-14 2019-04-12 北京镭测科技有限公司 光学陀螺
CN109655239A (zh) * 2019-02-28 2019-04-19 北京泛在云科技有限公司 一种光纤智能匹配系统、方法及装置
CN112051411A (zh) * 2020-08-07 2020-12-08 北京航天控制仪器研究所 一种基于非线性光波分束与合束的角运动测量装置
US11231278B1 (en) 2020-10-15 2022-01-25 The Board Of Trustees Of The Leland Stanford Junior University System and method for generating broadband spectrum by phase modulation of multiple wavelengths

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2582800B1 (fr) * 1985-05-30 1987-07-17 Thomson Csf Dispositif interferometrique en anneau a fibre optique monomode

Also Published As

Publication number Publication date
JPS63317713A (ja) 1988-12-26
ES2023979B3 (es) 1992-02-16
CN1013710B (zh) 1991-08-28
FR2616538B1 (fr) 1989-09-01
FR2616538A1 (fr) 1988-12-16
US4848910A (en) 1989-07-18
EP0297338B1 (fr) 1991-07-24
EP0297338A1 (fr) 1989-01-04
CN1034430A (zh) 1989-08-02
JP2554525B2 (ja) 1996-11-13
CA1291253C (fr) 1991-10-22
DE3863856D1 (de) 1991-08-29

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Legal Events

Date Code Title Description
FG Letter patent granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 10/06/2003