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

Research output: Contribution to journalArticle

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Abstract

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.

Original languageEnglish (US)
Pages (from-to)3855-3858
Number of pages4
JournalApplied Optics
Volume25
Issue number21
DOIs
StatePublished - Nov 1986
Externally publishedYes

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ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Engineering (miscellaneous)
  • Electrical and Electronic Engineering

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