DE69103741D1 - Analysevorrichtung für interferometrische Mikroverschiebungssensoren. - Google Patents

Analysevorrichtung für interferometrische Mikroverschiebungssensoren.

Info

Publication number
DE69103741D1
DE69103741D1 DE69103741T DE69103741T DE69103741D1 DE 69103741 D1 DE69103741 D1 DE 69103741D1 DE 69103741 T DE69103741 T DE 69103741T DE 69103741 T DE69103741 T DE 69103741T DE 69103741 D1 DE69103741 D1 DE 69103741D1
Authority
DE
Germany
Prior art keywords
analyzer
displacement sensors
circle
fibres
arranged around
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 - Fee Related
Application number
DE69103741T
Other languages
English (en)
Other versions
DE69103741T2 (de
Inventor
Jean-Marc Breda
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.)
Thales Avionics SAS
Original Assignee
Thales Avionics SAS
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 Thales Avionics SAS filed Critical Thales Avionics SAS
Publication of DE69103741D1 publication Critical patent/DE69103741D1/de
Application granted granted Critical
Publication of DE69103741T2 publication Critical patent/DE69103741T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/268—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light using optical fibres
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/02001—Interferometers characterised by controlling or generating intrinsic radiation properties
    • G01B9/02007—Two or more frequencies or sources used for interferometric measurement
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/02015—Interferometers characterised by the beam path configuration
    • G01B9/02027—Two or more interferometric channels or interferometers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/02055—Reduction or prevention of errors; Testing; Calibration
    • G01B9/02062—Active error reduction, i.e. varying with time
    • G01B9/02064—Active error reduction, i.e. varying with time by particular adjustment of coherence gate, i.e. adjusting position of zero path difference in low coherence interferometry
    • G01B9/02065—Active error reduction, i.e. varying with time by particular adjustment of coherence gate, i.e. adjusting position of zero path difference in low coherence interferometry using a second interferometer before or after measuring interferometer

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
DE69103741T 1990-12-18 1991-12-11 Analysevorrichtung für interferometrische Mikroverschiebungssensoren. Expired - Fee Related DE69103741T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9015852A FR2670577B1 (fr) 1990-12-18 1990-12-18 Dispositif d'analyse de capteurs interferometriques de micro-deplacements.

Publications (2)

Publication Number Publication Date
DE69103741D1 true DE69103741D1 (de) 1994-10-06
DE69103741T2 DE69103741T2 (de) 1994-12-22

Family

ID=9403360

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69103741T Expired - Fee Related DE69103741T2 (de) 1990-12-18 1991-12-11 Analysevorrichtung für interferometrische Mikroverschiebungssensoren.

Country Status (5)

Country Link
US (1) US5229844A (de)
EP (1) EP0493169B1 (de)
CA (1) CA2057943A1 (de)
DE (1) DE69103741T2 (de)
FR (1) FR2670577B1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5317544A (en) * 1992-11-09 1994-05-31 Litton Systems, Inc. Multiple segment fiber optic hydrophone
FR2713339B1 (fr) * 1993-11-30 1996-03-08 Bertin & Cie Dispositif d'analyse d'un flux lumineux fourni par un capteur à codage de modulation spectrale.
FR2750215B1 (fr) * 1996-06-25 1998-09-11 Sextant Avionique Sonde velocimetrique optique
US5949740A (en) * 1997-06-06 1999-09-07 Litton Systems, Inc. Unbalanced fiber optic Michelson interferometer as an optical pick-off
FR2768122B1 (fr) * 1997-09-09 1999-11-19 Sextant Avionique Dispositif optique de detection de conditions givrantes sur aeronef
FR2784456B1 (fr) 1998-10-09 2000-12-08 Sextant Avionique Dispositif de mesure de distance a effet magneto-optique et chaine de mesure incorporant ce dispositif
FR2820235B1 (fr) * 2001-01-26 2003-06-13 Thomson Csf Dispositif de retroeclairage pour ecran de visualisation par transmission compatible avec la vision de nuit
EP1831638A4 (de) * 2004-11-12 2008-01-23 Medeikon Corp Einkurven-mehrkanal-interferometriesensor mit niedriger kohärenz
US7417740B2 (en) * 2004-11-12 2008-08-26 Medeikon Corporation Single trace multi-channel low coherence interferometric sensor
IT201700046573A1 (it) * 2017-04-28 2018-10-28 General Medical Merate S P A Collimatore ed apparecchiatura radiologica
JP2021101183A (ja) * 2019-11-29 2021-07-08 メギット エスエーＭｅｇｇｉｔｔ Ｓａ 過酷な環境下での物理パラメータの測定のための光センサと、関連するアプリケーションへの同様のクロスリファレンスの作成と使用方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3044183A1 (de) * 1980-11-24 1982-06-24 Reinhard Dipl.-Phys. Dr. 7250 Leonberg Ulrich Verfahren zur optischen messung von laengen und laengenaenderungen und anordnung zur durchfuehrung des verfahrens
US4427881A (en) * 1981-03-09 1984-01-24 Siemens Corporation Sensor device for measuring a physical parameter
AT396179B (de) * 1989-06-07 1993-06-25 Tabarelli Werner Interferometeranordnung
US5106192A (en) * 1990-03-16 1992-04-21 Eastman, Inc. Polarization insensitive absolute interferometeric method and apparatus for measuring position angular bearing and optical paths

Also Published As

Publication number Publication date
FR2670577A1 (fr) 1992-06-19
EP0493169B1 (de) 1994-08-31
FR2670577B1 (fr) 1993-02-12
EP0493169A1 (de) 1992-07-01
CA2057943A1 (fr) 1992-06-19
US5229844A (en) 1993-07-20
DE69103741T2 (de) 1994-12-22

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Legal Events

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