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Brief Communications

Fluctuations of the parameters of probe radiation traveling in a bleached zone created in an aerosol medium by radiation of different wavelength

R. Kh. Almaev, L. P. Semenov


Abstract: The geometric-optics approximation is used in the derivation of expressions for the square of fluctuations of the intensity level and for the structure function of fluctuations of the phase of a beam of probe radiation traveling in a bleached disperse medium. Fluctuations of the parameters of the medium appear as a result of mixing of inhomogeneous temperature and water-content fields by a random-velocity wind. A comparison is made of the calculated fluctuations of the intensity with those measured in an artificial fog chamber.

UDC: 621.371.333.4

PACS: 42.68.Vs, 42.68.Rp

Received: 09.01.1979

 English version: Soviet Journal of Quantum Electronics, 1979, 9:10, 1303–1305