Full-field speckle analysis of spatially heterogeneous scatter dynamics with the improved depth resolution in stratified random media

A. A. Isaeva; D. A. Zimnyakov

doi:10.1117/12.920067

22 November 2011 Full-field speckle analysis of spatially heterogeneous scatter dynamics with the improved depth resolution in stratified random media

A. A. Isaeva, D. A. Zimnyakov

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Proceedings Volume 8338, Tenth International Conference on Correlation Optics; 83380Y (2011) https://doi.org/10.1117/12.920067
Event: Correlation Optics 2011, 2011, Chernivsti, Ukraine

Abstract

Simulation of the full-field speckle probing with the improved depth resolution of spatially heterogeneous stratified inhomogeneous media was performed. The concept of improved depth resolution is based on the application of strongly localized source of probe light (i.e., the sharply focused laser beam) and the collection of multiple scattered probe light with ring-like apertures of different radii. The numerical simulation is focused on reconstruction of the probe pulse response in the case of point-like or long inclusions at the given depth (which is related to the Green function of the light diffusion equation in an inhomogeneous medium). This can give the potential for reconstruction of the depth distributions of scatter mobility and concentration on the base of analysis of speckle correlometric data.

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A. A. Isaeva and D. A. Zimnyakov "Full-field speckle analysis of spatially heterogeneous scatter dynamics with the improved depth resolution in stratified random media", Proc. SPIE 8338, Tenth International Conference on Correlation Optics, 83380Y (22 November 2011); https://doi.org/10.1117/12.920067

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KEYWORDS

Scattering

Speckle

Light scattering

Light

Correlation function

Laser scattering

Sensors

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