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Applied Optics

Applied Optics


  • Vol. 25, Iss. 21 — Nov. 1, 1986
  • pp: 3855–3858

Image shifting technique to resolve directional ambiguity in double-pulsed velocimetry

Ronald J. Adrian  »View Author Affiliations

Applied Optics, Vol. 25, Issue 21, pp. 3855-3858 (1986)

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Image shifting provides a method of determining the direction of displacement, and hence the velocity, for all types of pulsed laser velocimeter. It is independent of the scattering properties of the particles and/or the intensity of the illumination of the first image with respect to the second image, and it is capable of high performance. With rotating mirror systems, image shifting can be used to offset negative velocities up to 10 m/s. With electrooptic systems, it is estimated that image shifting can be used at velocities up to 500 m/s.

© 1986 Optical Society of America

Original Manuscript: June 9, 1986
Published: November 1, 1986

Ronald J. Adrian, "Image shifting technique to resolve directional ambiguity in double-pulsed velocimetry," Appl. Opt. 25, 3855-3858 (1986)

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