Abstract

The results of theoretical and experimental investigations of intensity fluctuations of optical radiation in model media (suspensions of a great number of macroscopic particles) and in a turbid atmosphere are given The theoretical calculation is made in two approximations: (1) the particles are on the average in a wave zone of each other; (2) large soft particles are in the near zone of one another. In both approximations all the intensity statistical characteristics including multipoint probability distributions are obtained. The results of the experimental investigation of intensity fluctuations in model media and a comparison of those with the theoretical ones are listed. For a turbid atmosphere the results of the experimental investigation of intensity fluctuations are given.

© 1975 Optical Society of America

Temporal fluctuations of laser beam radiation in atmospheric precipitation

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