Vol. 18, issue 03, article # 4

pdf Vostretsov N. A., Zhukov A. F. Empirical equations for estimating the variance of radiation fluctuations in divergent laser beams in snowfalls. // Atmospheric and oceanic optics. 2005. V. 18. No. 03. P. 200-203.
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Abstract:

Empirical equations are proposed for estimating the variance of radiation fluctuations in divergent laser beams in snowfalls with allowance for the path length, scattering coefficient, detector diameter, and the beam divergence.