Optical testing of the random phase objects using spatially modulated laser beam

Anatoly A. Chaussky; Vladimir P. Ryabukho; Valery V. Tuchin; Euvgeny K. Yakushev

doi:10.1117/12.266239

11 February 1997 Optical testing of the random phase objects using spatially modulated laser beam

Anatoly A. Chaussky, Vladimir P. Ryabukho, Valery V. Tuchin, Euvgeny K. Yakushev

Proceedings Volume 3053, Nonlinear Dynamics and Structures in Biology and Medicine: Optical and Laser Technologies: International Workshop; (1997) https://doi.org/10.1117/12.266239
Event: International Workshop on Nonlinear Dynamics and Structures in Biology and Medicine: Optical and Laser Technologies, 1996, Saratov, Russian Federation

Abstract

A new measuring technique of statistical parameters of transparent or reflecting random phase objects including biological tissue is discussed. The technique is based on the usage of the probing spatially modulated laser beam (beam with regular interference pattern), focused on a moving object, and on measurement of contrast of average intensity fringes, formed in scattered dynamic speckle- modulated field. The behavior of the speckle field interference induced by the focused spatially modulated laser beam diffraction on the random phase objects has been studied. The dependence of dynamic field average intensity fringes contrast on the statistical properties of moving object has been established both experimentally and theoretically.

Citation Download Citation

Anatoly A. Chaussky, Vladimir P. Ryabukho, Valery V. Tuchin, and Euvgeny K. Yakushev "Optical testing of the random phase objects using spatially modulated laser beam", Proc. SPIE 3053, Nonlinear Dynamics and Structures in Biology and Medicine: Optical and Laser Technologies: International Workshop, (11 February 1997); https://doi.org/10.1117/12.266239

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