CA2552465C - Appareil optique et methode de mesure de distance - Google Patents

Appareil optique et methode de mesure de distance Download PDF

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Publication number
CA2552465C
CA2552465C CA2552465A CA2552465A CA2552465C CA 2552465 C CA2552465 C CA 2552465C CA 2552465 A CA2552465 A CA 2552465A CA 2552465 A CA2552465 A CA 2552465A CA 2552465 C CA2552465 C CA 2552465C
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Prior art keywords
optical fiber
probe head
target
interferogram
probing
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CA2552465A
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CA2552465A1 (fr
Inventor
Rene Beaulieau
Jean-Francois Cormier
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Institut National dOptique
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Institut National dOptique
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Priority to CA2552465A priority Critical patent/CA2552465C/fr
Publication of CA2552465A1 publication Critical patent/CA2552465A1/fr
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    • 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
    • G01B9/02041—Interferometers characterised by particular imaging or detection techniques
    • G01B9/02044—Imaging in the frequency domain, e.g. by using a spectrometer
    • 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
    • G01B9/0209—Low-coherence interferometers

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

On décrit un capteur optique pour déterminer une distance entre une cible et une tête de capteur. Le capteur optique comprend une source lumineuse qui produit un spectre à large bande; un interféromètre de Michelson à fibre optique pour créer un interférogramme; et une unité d'analyseur pour recevoir l'interférogramme des données de l'interféromètre de Michelson à fibre optique et pour déterminer la distance de la cible en trouvant une position qui correspond à un maximum dans une transformation de Fourier de la distribution spectrale de l'interférogramme. L'interféromètre de Michelson à fibre optique comprend une fibre optique à capteur terminée par la tête du capteur et une fibre optique de référence, la fibre optique de référence ayant une longueur fixe de parcours optique.
CA2552465A 2006-07-18 2006-07-18 Appareil optique et methode de mesure de distance Active CA2552465C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2552465A CA2552465C (fr) 2006-07-18 2006-07-18 Appareil optique et methode de mesure de distance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA2552465A CA2552465C (fr) 2006-07-18 2006-07-18 Appareil optique et methode de mesure de distance

Publications (2)

Publication Number Publication Date
CA2552465A1 CA2552465A1 (fr) 2008-01-18
CA2552465C true CA2552465C (fr) 2013-09-17

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ID=38952129

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2552465A Active CA2552465C (fr) 2006-07-18 2006-07-18 Appareil optique et methode de mesure de distance

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CA (1) CA2552465C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114414010B (zh) * 2022-01-20 2023-03-24 福州大学 双弯曲梁称重传感器

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Publication number Publication date
CA2552465A1 (fr) 2008-01-18

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