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17 April 2020 Laser echo from star-mounted retro-reflector array in atmospheric turbulence
Ya-qing Li, Li-guo Wang, Qian Wang, Lei Gong
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Proceedings Volume 11455, Sixth Symposium on Novel Optoelectronic Detection Technology and Applications; 114550P (2020) https://doi.org/10.1117/12.2559417
Event: Sixth Symposium on Novel Photoelectronic Detection Technology and Application, 2019, Beijing, China
Abstract
The Rytov method is used to derive the distribution of the scintillation index on the receiving aperture plane of a laser beam reflected from a retro-reflector in the ground-air-ground double-path propagation. According to the mutual independence of the turbulence effect and the speckle effect caused by the random vibration of the retro-reflector array, the intensity covariance function and the scintillation index on the aperture plane are calculated. The variations of the aperture smoothing effect and scintillation index of the beam on the finite aperture receiving plane with the aperture size are revealed. The study results could also provide theoretical and technical guidance for the application of laser target detection and recognition.
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Ya-qing Li, Li-guo Wang, Qian Wang, and Lei Gong "Laser echo from star-mounted retro-reflector array in atmospheric turbulence", Proc. SPIE 11455, Sixth Symposium on Novel Optoelectronic Detection Technology and Applications, 114550P (17 April 2020); https://doi.org/10.1117/12.2559417
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KEYWORDS
Retroreflectors
Scintillation
Atmospheric turbulence
Atmospheric propagation
Laser beam propagation
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