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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 29, Iss. 35 — Dec. 10, 1990
  • pp: 5282–5291

Particle image fields and partial coherence

Robert Rubinstein and Paul S. Greenberg  »View Author Affiliations


Applied Optics, Vol. 29, Issue 35, pp. 5282-5291 (1990)
http://dx.doi.org/10.1364/AO.29.005282


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Abstract

The accuracy of Young’s fringe method for reducing velocity field data is compromised by a spatially incoherent background field which originates in the random locations of the seeding particles. The probability density function for the spatial frequency cutoff of this background is derived as a function of the particle count, the distribution governing the power in each frequency interval is derived, and conditions are found under which the Van Cittert-Zernike theorem applies. The background field resembles the far field of a partially coherent source in the high particle count limit, but departs significantly at low and moderate counts.

© 1990 Optical Society of America

History
Original Manuscript: March 1, 1989
Published: December 10, 1990

Citation
Robert Rubinstein and Paul S. Greenberg, "Particle image fields and partial coherence," Appl. Opt. 29, 5282-5291 (1990)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-29-35-5282

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