Abstract
We analyze the influence of a weak phase modulation of multiply scattered partially coherent light fields on the variance of fluctuations of the scattered field intensity. It is suggested to perform diagnostics of scattering media by analyzing the probing radiation scattered from a “modulating” medium and determining the speckle intensity index (or contrast ratio) upon introduction of an object studied into the scheme of measurements. The proposed method is experimentally verified on model scattering media.
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Translated from Pis’ma v Zhurnal Tekhnichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 29, No. 20, 2003, pp. 88–94.
Original Russian Text Copyright © 2003 by Zimnyakov, Zdrazhevski\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \), Trifonov, Gur’yanov, Zhimski\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \).
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Zimnyakov, D.A., Zdrazhevskii, R.A., Trifonov, V.A. et al. The effect of phase modulation of scattered radiation on the asymptotic behavior of the contrast ratio of partially coherent speckle fields. Tech. Phys. Lett. 29, 876–878 (2003). https://doi.org/10.1134/1.1623876
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DOI: https://doi.org/10.1134/1.1623876