ES2095677T3 - Detector de variaciones de una magnitud fisica. - Google Patents

Detector de variaciones de una magnitud fisica.

Info

Publication number
ES2095677T3
ES2095677T3 ES93924060T ES93924060T ES2095677T3 ES 2095677 T3 ES2095677 T3 ES 2095677T3 ES 93924060 T ES93924060 T ES 93924060T ES 93924060 T ES93924060 T ES 93924060T ES 2095677 T3 ES2095677 T3 ES 2095677T3
Authority
ES
Spain
Prior art keywords
variations
cavity
detector
physical quantity
optical
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
ES93924060T
Other languages
English (en)
Inventor
Constantin Coutsomitros
Marco Franchi
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.)
EUROP COMMUNITIES
Original Assignee
EUROP COMMUNITIES
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 EUROP COMMUNITIES filed Critical EUROP COMMUNITIES
Application granted granted Critical
Publication of ES2095677T3 publication Critical patent/ES2095677T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01D5/266—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 by interferometric means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Holo Graphy (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)

Abstract

LA PRESENTE INVENCION SE REFIERE A UN DETECTOR DE VARIACIONES DE UNA MAGNITUD TAL COMO LA TEMPERATURA, LA INTENSIDAD LUMINOSA O LA PRESION. SEGUN LA INVENCION, ESTE DETECTOR COMPRENDE UNA CAVIDAD OPTICA INTERFEROMETRICA (6) COMPUESTA POR DOS PLACAS HOLOGRAFICAS EN VIDRIO SOBRE LAS QUE UNAS REDES INTERFEROMETRICAS TRIDIMENSIONALES SE HAN GRABADO PREVIAMENTE Y QUE SE APLICAN UNA SOBRE OTRA CONTENIENDO ENTRE SI UNA PEQUEÑA CAPA DE AIRE, SIENDO DICHA MAGNITUD FISICA SUSCEPTIBLE DE ACTUAR SOBRE ESTA CAVIDAD; UN GENERADOR DE HA LASER (1) QUE DIRIGE SU HAZ COHERENTE SOBRE DICHA CAVIDAD, Y UN RECEPTOR (8) QUE DETECTA LA LUZ (7) REFLEJADA POR DICHA CAVIDAD OPTICA O QUE HA RECORRIDO DICHA CAVIDAD OPTICA Y QUE ES SUSCEPTIBLE DE HACER APARECER LAS VARIACIONES DE LAS FRANJAS DE INTERFERENCIA DEBIDAS A DICHAS VARIACIONES DE LA MAGNITUD FISICA.
ES93924060T 1992-11-03 1993-10-27 Detector de variaciones de una magnitud fisica. Expired - Lifetime ES2095677T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU88187A LU88187A1 (fr) 1992-11-03 1992-11-03 Détecteur de variations d'une grandeur physique

Publications (1)

Publication Number Publication Date
ES2095677T3 true ES2095677T3 (es) 1997-02-16

Family

ID=19731379

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93924060T Expired - Lifetime ES2095677T3 (es) 1992-11-03 1993-10-27 Detector de variaciones de una magnitud fisica.

Country Status (10)

Country Link
EP (1) EP0667951B1 (es)
JP (1) JPH08503542A (es)
AT (1) ATE146276T1 (es)
CA (1) CA2148608A1 (es)
DE (1) DE69306593T2 (es)
DK (1) DK0667951T3 (es)
ES (1) ES2095677T3 (es)
GR (1) GR3022535T3 (es)
LU (1) LU88187A1 (es)
WO (1) WO1994010538A1 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10158859B4 (de) * 2001-11-30 2004-02-19 Fachhochschule Hildesheim/Holzminden/Göttingen Verfahren und Vorrichtung zur Analyse und Überwachung der Lichtintensitätsverteilung über den Querschnitt eines Laserstrahls
GB0416140D0 (en) 2004-07-19 2004-08-18 Univ Cambridge Tech Interrogation of a sensor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4329058A (en) * 1979-01-22 1982-05-11 Rockwell International Corporation Method and apparatus for a Fabry-Perot multiple beam fringe sensor
JPS5793206A (en) * 1980-11-29 1982-06-10 Agency Of Ind Science & Technol Hologram rotational angle meter
JPS58106406A (ja) * 1981-12-21 1983-06-24 Sumitomo Electric Ind Ltd 光学的センサ
JPS58120101A (ja) * 1982-01-13 1983-07-16 Hitachi Ltd ホログラフイ干渉法による変位モ−ド把握方法
JPH02157635A (ja) * 1988-12-09 1990-06-18 Nippon Telegr & Teleph Corp <Ntt> 光波長安定度検査装置
DE3930554A1 (de) * 1989-09-13 1991-03-21 Bosch Gmbh Robert Vorrichtung zur absoluten zweidimensionalen positions-messung
SU1702172A1 (ru) * 1990-03-12 1991-12-30 Ленинградское научно-производственное объединение "Буревестник" Способ голографического контрол однородности физико-механических свойств материалов

Also Published As

Publication number Publication date
DK0667951T3 (da) 1997-05-12
CA2148608A1 (fr) 1994-05-11
LU88187A1 (fr) 1994-09-09
DE69306593T2 (de) 1997-04-03
GR3022535T3 (en) 1997-05-31
EP0667951A1 (fr) 1995-08-23
EP0667951B1 (fr) 1996-12-11
ATE146276T1 (de) 1996-12-15
JPH08503542A (ja) 1996-04-16
WO1994010538A1 (fr) 1994-05-11
DE69306593D1 (de) 1997-01-23

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