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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 36, Iss. 19 — Jul. 1, 1997
  • pp: 4516–4520

Simultaneous measurement of the velocity and the displacement of the moving rough surface by a laser Doppler velocimeter

K. Matsubara, W. Stork, A. Wagner, J. Drescher, and K. D. Müller-Glaser  »View Author Affiliations


Applied Optics, Vol. 36, Issue 19, pp. 4516-4520 (1997)
http://dx.doi.org/10.1364/AO.36.004516


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Abstract

A formula that can analyze the laser Doppler velocimeter spectrum was derived. The formula showed good agreement with computational experimental results. The use of a Fourier transform lens as detection optics was proposed and was found to be independent of the displacement of the object along the direction parallel to the optical axis. An experimental method was also proposed that can make the simultaneous measurement of velocity and displacement possible simply by adding a second detector. By using two detectors, not only can displacement of the surface be measured, but also the results of the speed measurement can be compensated for.

© 1997 Optical Society of America

History
Original Manuscript: August 19, 1996
Revised Manuscript: December 17, 1996
Published: July 1, 1997

Citation
K. Matsubara, W. Stork, A. Wagner, J. Drescher, and K. D. Müller-Glaser, "Simultaneous measurement of the velocity and the displacement of the moving rough surface by a laser Doppler velocimeter," Appl. Opt. 36, 4516-4520 (1997)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-36-19-4516

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