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Applied Optics

Applied Optics


  • Vol. 40, Iss. 31 — Nov. 1, 2001
  • pp: 5610–5614

Laser-diode interferometric heterodyne vibrometer: application to linear motor control

Ahmed Chebbour, Tijani Gharbi, and Gilbert Tribillon  »View Author Affiliations

Applied Optics, Vol. 40, Issue 31, pp. 5610-5614 (2001)

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We describe an interferometric heterodyne vibrometer that uses a laser diode with a triangular modulation frequency. This optical sensor is used to probe a vibrating polished surface. As an illustration of the sensor performance, the control of nonuniform velocity of a linear motor is achieved. The technique can be used over a large bandwidth between a few hertz and several tens of kilohertz. Generalization of the technique to the sensing of frequency vibrations is also demonstrated theoretically.

© 2001 Optical Society of America

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.7250) Instrumentation, measurement, and metrology : Velocimetry
(140.2020) Lasers and laser optics : Diode lasers
(280.3340) Remote sensing and sensors : Laser Doppler velocimetry

Original Manuscript: January 31, 2001
Revised Manuscript: June 12, 2001
Published: November 1, 2001

Ahmed Chebbour, Tijani Gharbi, and Gilbert Tribillon, "Laser-diode interferometric heterodyne vibrometer: application to linear motor control," Appl. Opt. 40, 5610-5614 (2001)

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  1. M. Johnson, Y. Delapote, “Fiber vibrometer with three-phase fringe-analysis,” Opt. Commun. 101, 1–4 (1993). [CrossRef]
  2. G. Beheim, K. Fritsch, “Remote displacement measurement using a laser diode,” Electron. Lett. 21, 93–94 (1995). [CrossRef]
  3. R. Quenelle, L. J. Wuerz, “A new microcomputer-controlled laser dimensional measurement and analysis system,” Hewlett-Packard J. 34, 3–13 (1983).
  4. T. Gharbi, A. Courteville, A. Chebbour, “Backscatter-modulated laser diode for low-frequency small-amplitude vibration measurement,” Appl. Opt. 36, 8233–8237 (1997). [CrossRef]
  5. A. Chebbour, C. Gorecki, G. Tribillon, “Range finding and velocimetry with directional discrimination using a modulated laser diode michelson interferometer,” Opt. Commun. 111, 1–5 (1994). [CrossRef]
  6. A. Chebbour, Ph.D. dissertation, “Mesures inteférometriques de la distance et de la vitesse par modulation continue de la fréquence d’une diode laser” (University of Franche Comté, Besançon, France, 1994).
  7. M. Suematsu, M. Takeda, “Wavelength-shift interferometry for distance measurements using Fourier transform technique for fringe analysis,” Appl. Opt. 30, 4046–4055 (1991). [CrossRef] [PubMed]

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