DE3582446D1 - Fasern ablesendes faseroptisches interferometer. - Google Patents

Fasern ablesendes faseroptisches interferometer.

Info

Publication number
DE3582446D1
DE3582446D1 DE8585302662T DE3582446T DE3582446D1 DE 3582446 D1 DE3582446 D1 DE 3582446D1 DE 8585302662 T DE8585302662 T DE 8585302662T DE 3582446 T DE3582446 T DE 3582446T DE 3582446 D1 DE3582446 D1 DE 3582446D1
Authority
DE
Germany
Prior art keywords
fiber
interferometer
phase
output signal
light waves
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
DE8585302662T
Other languages
English (en)
Inventor
Byoung Yoon Kim
Herbert John Shaw
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.)
Leland Stanford Junior University
Original Assignee
Leland Stanford Junior University
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 Leland Stanford Junior University filed Critical Leland Stanford Junior University
Application granted granted Critical
Publication of DE3582446D1 publication Critical patent/DE3582446D1/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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Optics & Photonics (AREA)
  • Gyroscopes (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Light Guides In General And Applications Therefor (AREA)
DE8585302662T 1984-04-25 1985-04-16 Fasern ablesendes faseroptisches interferometer. Expired - Lifetime DE3582446D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US60363084A 1984-04-25 1984-04-25

Publications (1)

Publication Number Publication Date
DE3582446D1 true DE3582446D1 (de) 1991-05-16

Family

ID=24416263

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585302662T Expired - Lifetime DE3582446D1 (de) 1984-04-25 1985-04-16 Fasern ablesendes faseroptisches interferometer.

Country Status (10)

Country Link
EP (1) EP0160450B1 (de)
JP (1) JPS60243509A (de)
KR (1) KR940004651B1 (de)
AT (1) ATE62547T1 (de)
AU (1) AU4162585A (de)
BR (1) BR8501938A (de)
CA (1) CA1276810C (de)
DE (1) DE3582446D1 (de)
IL (1) IL74898A0 (de)
NO (1) NO851642L (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4770535A (en) * 1985-02-08 1988-09-13 The Board Of Trustees Of The Leland Stanford Junior University Distributed sensor array and method using a pulsed signal source
DE3628409C2 (de) * 1986-08-21 1994-09-08 Teldix Gmbh Schaltungsanordnung zur Erzeugung einer Phasenmodulation in einer Lichtleitfaser
DE3682680D1 (de) * 1986-09-09 1992-01-09 Litef Gmbh Verfahren zur drehratenmessung und drehratensensor mit faseroptischem sagnac-interferometer.
DE3727167A1 (de) * 1987-08-14 1989-02-23 Teldix Gmbh Faserkreisel
EP0400197B1 (de) * 1989-06-02 1993-10-06 LITEF GmbH Verfahren und Einrichtung zur Demodulation des Drehratensignals eines Faserkreisels
US5148236A (en) * 1990-06-18 1992-09-15 Honeywell Inc. Demodulation reference signal source
US5137360A (en) * 1990-12-21 1992-08-11 Honeywell Inc. Fiber optic gyro with a source at a first wavelength and a fiber optic loop designed for single mode operation at a wavelength longer than the first wavelength
CN102997945B (zh) * 2011-09-16 2015-09-16 北京航空航天大学 光纤分布式扰动传感器的多点扰动定位方法
US9267799B2 (en) 2014-02-24 2016-02-23 Honeywell International Inc. Method and apparatus of monitoring and tracking optical frequency differences of modulated beams

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0153123B1 (de) * 1984-02-17 1991-04-10 The Board Of Trustees Of The Leland Stanford Junior University Faseroptischer Rotationssensor mit Torschaltung und mit erweitertem dynamischem Messbereich

Also Published As

Publication number Publication date
CA1276810C (en) 1990-11-27
AU4162585A (en) 1985-10-31
NO851642L (no) 1985-10-28
JPS60243509A (ja) 1985-12-03
EP0160450B1 (de) 1991-04-10
KR850007483A (ko) 1985-12-04
IL74898A0 (en) 1985-07-31
EP0160450A3 (en) 1988-03-16
EP0160450A2 (de) 1985-11-06
ATE62547T1 (de) 1991-04-15
KR940004651B1 (ko) 1994-05-27
BR8501938A (pt) 1985-12-24

Similar Documents

Publication Publication Date Title
ATE114184T1 (de) Faseroptische messeinrichtung, gyrometer, navigations- und stabilisierungssystem, stromsensor.
US5133600A (en) Method and apparatus for demodulating the rotation rate signal of a fiber optic gyroscope
FR2654827B1 (fr) Dispositif de mesure a fibre optique, gyrometre, centrale de navigation et de stabilisation.
KR20000015911A (ko) 낮은 각속도에서 감소된 비선형성을 갖는 광섬유 자이로스코프
DE3380854D1 (en) Improved fiber optic sensor for detecting very small displacements of a surface
CA2009787A1 (en) Sub-Tau Phase Modulation
DE3582446D1 (de) Fasern ablesendes faseroptisches interferometer.
IT1155558B (it) Procedimento e strumento per la misura dell ampiezza di un segnale periodico fortemente affetto da rumore e senza riferimento di fase
NO940599L (no) Fremgangsmåte for å utlede et signal fra et fasemodulert fiberoptisk gyroskop samt fremgangsmåte for å påvise en modulasjonsfaktor
ATE105637T1 (de) Frequenzmessung.
CA2080011A1 (en) Interferometric signal analysis with modulation switching
CA2022771A1 (en) Fiber optic gyro
CA2096517A1 (en) Fiber optic gyroscope bias modulation amplitude determination
FR2614116B1 (fr) Dispositif de reference de temps a stabilite sensiblement constante pour la mesure de temps a court et long terme
EP0257959A3 (de) Fiber-optischer Messapparat und Methode
ATE44821T1 (de) Sensor mit verwendung eines faserinterferometers.
KR890015045A (ko) 광섬유 회전감지기내의 광 신호를 위상 변조하기 위한 방법 및 장치
EP0537288A1 (de) Einstufendemodulator mit referenzsignal-phasenzittern.
RU1818528C (ru) Способ измерени угловой скорости с помощью волоконно-оптического гироскопа
JPS5626233A (en) Method and device for measurement of fluctuation of dynamic pressure applied to optical fiber
JPS5328447A (en) Measurement of length of optical fiber and device therefor
JPS5355146A (en) Optical fiber apparatus
IT1140425B (it) Apparecchiatura di misura della deformazione
KIM All-fiber-optic gyroscope with extended linear dynamic range(Ph. D. Thesis)
JPH04184116A (ja) 光ファイバジャイロの零オフセット消去方法

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee