DE69522941D1 - Fehlerverringerung für phasenmodulation - Google Patents

Fehlerverringerung für phasenmodulation

Info

Publication number
DE69522941D1
DE69522941D1 DE69522941T DE69522941T DE69522941D1 DE 69522941 D1 DE69522941 D1 DE 69522941D1 DE 69522941 T DE69522941 T DE 69522941T DE 69522941 T DE69522941 T DE 69522941T DE 69522941 D1 DE69522941 D1 DE 69522941D1
Authority
DE
Germany
Prior art keywords
phase modulation
error reduction
error
reduction
modulation
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 - Lifetime
Application number
DE69522941T
Other languages
English (en)
Inventor
J August
B Dimond
R Feth
E Laskoskie
K Strandjord
Bogdan Szafraniec
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.)
Honeywell Inc
Original Assignee
Honeywell Inc
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 Honeywell Inc filed Critical Honeywell Inc
Application granted granted Critical
Publication of DE69522941D1 publication Critical patent/DE69522941D1/de
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
    • G01C19/721—Details
    • G01C19/722—Details of the mechanical construction
    • 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
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/0128—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on electro-mechanical, magneto-mechanical, elasto-optic effects
    • G02F1/0131—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on electro-mechanical, magneto-mechanical, elasto-optic effects based on photo-elastic effects, e.g. mechanically induced birefringence
    • G02F1/0134—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on electro-mechanical, magneto-mechanical, elasto-optic effects based on photo-elastic effects, e.g. mechanically induced birefringence in optical waveguides
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439—Auxiliary devices
    • G02B6/4457—Bobbins; Reels

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Nonlinear Science (AREA)
  • Gyroscopes (AREA)
DE69522941T 1994-05-31 1995-05-31 Fehlerverringerung für phasenmodulation Expired - Lifetime DE69522941D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/250,970 US5457532A (en) 1994-05-31 1994-05-31 Harmonic phase modulation error reducer
PCT/US1995/006892 WO1995033183A1 (en) 1994-05-31 1995-05-31 Phase modulation error reduction

Publications (1)

Publication Number Publication Date
DE69522941D1 true DE69522941D1 (de) 2001-10-31

Family

ID=22949932

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69535183T Expired - Lifetime DE69535183T2 (de) 1994-05-31 1995-05-31 Fehlerverringerung für Phasenmodulation
DE69522941T Expired - Lifetime DE69522941D1 (de) 1994-05-31 1995-05-31 Fehlerverringerung für phasenmodulation

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69535183T Expired - Lifetime DE69535183T2 (de) 1994-05-31 1995-05-31 Fehlerverringerung für Phasenmodulation

Country Status (6)

Country Link
US (2) US5457532A (de)
EP (2) EP1114980B1 (de)
JP (1) JPH10501338A (de)
CA (1) CA2189244A1 (de)
DE (2) DE69535183T2 (de)
WO (1) WO1995033183A1 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5655035A (en) * 1995-11-16 1997-08-05 Alliedsignal Inc. Differential fiber optic angular rate sensor for minimizing common mode noise in the sensor output
US6563589B1 (en) 1996-04-19 2003-05-13 Kvh Industries, Inc. Reduced minimum configuration fiber optic current sensor
US5999304A (en) * 1997-08-04 1999-12-07 Honeywell, Inc. Fiber optic gyroscope with deadband error reduction
US6711309B1 (en) * 1999-01-28 2004-03-23 The University Of Sydney Noise suppression in lightwave communication systems
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
ATE265049T1 (de) 2000-02-28 2004-05-15 Kvh Ind Inc Faraday-effekt-stromsonde mit verbesserter schwingungsreaktion
WO2002006769A2 (en) 2000-07-13 2002-01-24 Kvh Industries, Inc. Method for controlling fiber optic sensor scale factor
US6643299B1 (en) * 2000-07-17 2003-11-04 Calmar Optcom, Inc. Bi-metal and other passive thermal compensators for fiber-based devices
DE10035833A1 (de) * 2000-07-21 2002-02-07 Med Laserzentrum Luebeck Gmbh Vorrichtung zur Veränderung der Länge der Laufstrecke einer elektromagnetischen Welle
US7120323B2 (en) * 2000-08-02 2006-10-10 Kvh Industries, Inc. Reduction of linear birefringence in circular-cored single-mode fiber
WO2002023237A2 (en) * 2000-08-02 2002-03-21 Kvh Industries, Inc. Decreasing the effects of linear birefringence in a fiber-optic sensor by use of berry's topological phase
WO2002093594A1 (en) * 2001-05-11 2002-11-21 Fibersense Technology Corporation Trapezoidal coil for fiber optic gyroscopes
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
US6765678B2 (en) * 2002-01-08 2004-07-20 Honeywell International Inc. Relative intensity noise controller with maximum gain at frequencies at or above the bias modulation frequency or with second order feedback for fiber light sources
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
US6783598B2 (en) * 2002-08-15 2004-08-31 Fibersense Technology Corp. Moisture barrier sealing of fiber optic coils
US7872758B2 (en) * 2007-01-22 2011-01-18 The Charles Stark Draper Laboratory, Inc. Determining and compensating for modulator dynamics in interferometric fiber-optic gyroscopes
US7817284B2 (en) * 2007-08-08 2010-10-19 The Charles Stark Draper Laboratory, Inc. Interferometric fiber optic gyroscope with off-frequency modulation signals
US8717575B2 (en) 2011-08-17 2014-05-06 Honeywell International Inc. Systems and methods for environmentally insensitive high-performance fiber-optic gyroscopes
CN103615501B (zh) * 2013-11-06 2016-01-20 中国航天科技集团公司第九研究院第七七一研究所 一种小型谐波减速器及其优化设计方法
US10767995B2 (en) 2018-08-28 2020-09-08 Honeywell International Inc. Hyperbolic modulation offset error reducer for an RFOG

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4307937A (en) * 1979-06-04 1981-12-29 Northern Telecom Limited Optical modulators
DE3332718C2 (de) * 1983-09-10 1994-12-22 Sel Alcatel Ag Einrichtung zur Messung der Drehgeschwindigkeit
GB2167574B (en) * 1984-11-02 1988-02-24 Plessey Co Plc Transducers for optical frequency shifting arrangements
US4832437A (en) * 1986-01-17 1989-05-23 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic inter-mode coupling single side band frequency shifter
DE3919060A1 (de) * 1989-06-10 1990-12-20 Messerschmitt Boelkow Blohm Verfahren zur selbstkorrektur eines faserkreisels mit 3x3-koppler
US5135295A (en) * 1990-02-27 1992-08-04 Queen's University At Kingston Fiber-optic piezoelectric devices
JPH03295410A (ja) * 1990-04-12 1991-12-26 Furukawa Electric Co Ltd:The 干渉計型光ファイバジャイロ
US5333047A (en) * 1990-10-25 1994-07-26 The Board Of Trustees Of The Leland Stanford University Optical fiber sensor having digital integrating detection system utilizing electronic phase lock loop
JPH0786602B2 (ja) * 1991-04-01 1995-09-20 住友電気工業株式会社 光ファイバ位相変調器及びその製造方法
JP2730327B2 (ja) * 1991-06-25 1998-03-25 日立電線株式会社 光ファイバジャイロ及びそのユニット
GB9118780D0 (en) * 1991-09-03 1991-10-16 Focas Ltd A sensor
US5289258A (en) * 1992-01-15 1994-02-22 Honeywell Inc. Fiber optic gyroscope modulation error reduction
CA2105785A1 (en) * 1992-09-10 1994-03-11 Akihiro Ooka Optical fiber type polarizer
JPH06117865A (ja) * 1992-10-02 1994-04-28 Hitachi Cable Ltd 光ファイバジャイロ
JPH06347275A (ja) * 1993-06-08 1994-12-20 Japan Aviation Electron Ind Ltd 光ファイバジャイロ

Also Published As

Publication number Publication date
DE69535183D1 (de) 2006-09-28
EP1114980A1 (de) 2001-07-11
EP0763188A1 (de) 1997-03-19
US5457532A (en) 1995-10-10
WO1995033183A1 (en) 1995-12-07
EP1114980B1 (de) 2006-08-16
CA2189244A1 (en) 1995-12-07
US5559908A (en) 1996-09-24
EP0763188B1 (de) 2001-09-26
JPH10501338A (ja) 1998-02-03
DE69535183T2 (de) 2007-08-23

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Legal Events

Date Code Title Description
8332 No legal effect for de