Statistical properties of speckles in imaging through deep turbulence

Xifeng Xiao

doi:10.1117/12.2569062

16 September 2020 Statistical properties of speckles in imaging through deep turbulence

Xifeng Xiao

Proceedings Volume 11508, Unconventional Imaging and Adaptive Optics 2020; 1150809 (2020) https://doi.org/10.1117/12.2569062
Event: SPIE Optical Engineering + Applications, 2020, Online Only

Abstract

For the laser beam propagation through strong and deep turbulence, a discrepancy between the wave optics simulation and existing theoretical predication has been reported. In this paper, from the perspective of short-exposure and long-exposure point spread functions and optical transfer functions, the instantaneous speckle profiles that accurately reflect turbulence features and diffraction effect are generated. their statistical behaviors, from average short exposure beam sizes, on-axis scintillation indices and to the corresponding probability density functions, are carefully examined and favorably compared with their analytical counterparts. We believe this work will be helpful in a better understanding of the optical properties of deep turbulence and wave optics simulation and bridging the gap between them.

Conference Presentation

Citation Download Citation

Xifeng Xiao "Statistical properties of speckles in imaging through deep turbulence", Proc. SPIE 11508, Unconventional Imaging and Adaptive Optics 2020, 1150809 (16 September 2020); https://doi.org/10.1117/12.2569062

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