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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 72, Iss. 3 — Mar. 1, 1982
  • pp: 365–371

Scaling law and photon-count distribution of a laser time-of-flight velocimeter

C. Y. She and R. F. Kelley  »View Author Affiliations


JOSA, Vol. 72, Issue 3, pp. 365-371 (1982)
http://dx.doi.org/10.1364/JOSA.72.000365


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Abstract

The equations for performance evaluation of the laser time-of-flight velocimeter (LTV) for atmospheric windspeed measurement with single-particle digital-correlation analysis have been derived theoretically. Using an inverse power law for aerosol-size distribution and a simple expression for backscatter-differential cross section, the minimum-detectable number of signal photon counts, the photon-count distribution of signal particles, and the scaling law for LTV measurement rate are expressed in terms of correlator settings and parameters of a Gaussian laser beam. It is shown, both theoretically and experimentally, that these equations can be used to evaluate the system performance and assess the potential usefulness of the single-particle LTV.

© 1982 Optical Society of America

Citation
C. Y. She and R. F. Kelley, "Scaling law and photon-count distribution of a laser time-of-flight velocimeter," J. Opt. Soc. Am. 72, 365-371 (1982)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-72-3-365

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