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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 22, Iss. 2 — Jan. 15, 1983
  • pp: 333–338

Determination of velocity gradients with scattered light cross-correlation measurements

C. Keveloh and W. Staude  »View Author Affiliations


Applied Optics, Vol. 22, Issue 2, pp. 333-338 (1983)
http://dx.doi.org/10.1364/AO.22.000333


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Abstract

The space–time correlation function of the intensity of light scattered off a medium with a constant velocity gradient has been calculated. One property, in particular, of this correlation function, which may be referred to as speckle motion or speckle flow, enables an experimental determination of the tensor components of the velocity gradient. Influence of Brownian motion and finite scattering volume are estimated. Experimental results, obtained at a tube flow, are shown to be in accordance with the theory.

© 1983 Optical Society of America

History
Original Manuscript: April 29, 1982
Published: January 15, 1983

Citation
C. Keveloh and W. Staude, "Determination of velocity gradients with scattered light cross-correlation measurements," Appl. Opt. 22, 333-338 (1983)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-22-2-333

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