Statistical Properties of Pseudothermal Radiation Formed by a Spatial Light Modulator

Agapov, D.P.; Belovolov, I.A.; Gostev, P.P.; Magnitskii, S.A.; Frolovtsev, D.N.; Chirkin, A.S.

Авторы: Agapov D.P., Belovolov I.A., Gostev P.P., Magnitskii S.A., Frolovtsev D.N., Chirkin A.S.
Журнал: Journal of Experimental and Theoretical Physics
Том: 135
Номер: 2
Год издания: 2022
Издательство: Maik Nauka/Interperiodica Publishing
Местоположение издательства: Russian Federation
Первая страница: 188
Последняя страница: 196
DOI: 10.1134/s1063776122080015
Аннотация: We report the results of theoretical and experimental investigations of statistical properties of pseudothermal radiation formed after the reflection from the phase spatial light modulator. We have obtained expressions for the spatial correlation function and the correlation radius of a random pseudothermal radiation. In the general case, the field turns out to be statistically anisotropic (the correlation radius in the transverse plane of the scattered beam in one of orthogonal directions depends on the angle of incidence of the coherent beam on the modulator). It has been proved rigorously based on the calculation of field distribution function cumulants that in the far-field zone, the random field obeys the Gaussian statistics. We report on the results of experiments on the transformation of a coherent laser beam into radiation with the pseudothermal statistics using a liquid-crystal spatial light modulator. The experimental data obtained with the help of proprietary software package are in good agreement with the results of theoretical conclusions.
Добавил в систему: Фроловцев Дмитрий Николаевич

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