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18 December 2023 The influence of the horizontal atmosphere on transmission efficiency of the laser eavesdropping
Lianhui Zheng, Xiaofu Xu, Xiaoyan Wang, Zhongjian Gao, Bingyang Liu, Huixian Lan, Yangyi Liu
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Proceedings Volume 12965, AOPC 2023: Novel Technologies and Instruments for Astronomical Imaging and Spectroscopy; 1296504 (2023) https://doi.org/10.1117/12.3000208
Event: Applied Optics and Photonics China 2023 (AOPC2023), 2023, Beijing, China
Abstract
Horizontal atmosphere will obviously distort the light spot notably and attenuate the transmission efficiency of a laser eavesdropping. However, the contributions of ambient parameters to the transmission efficiency of laser eavesdropping are still unknown. Therefore, the influence of horizontal atmospheric fluctuation on the transmission efficiency of laser eavesdropping is investigated by carrying out theoretical analysis and validation. The mean and standard deviation of the fluctuation of the ambient variables are adopted to analyze the influence on the transmission efficiency and the statistical conclusions are attained, which can be used to predict the mean transmission efficiency. To improve the transmission efficiency, a new method based on Gerchberg-Saxton (GS) phase retrieval algorithm is proposed by integrating a Nicol grating into the optical system, hence the configuration is simple and the size is compact. The experimental results reveal that the transmission efficiency is notably improved after GS correction. The proposed method is proved to be feasible.
(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.
Citation Download Citation
Lianhui Zheng, Xiaofu Xu, Xiaoyan Wang, Zhongjian Gao, Bingyang Liu, Huixian Lan, and Yangyi Liu "The influence of the horizontal atmosphere on transmission efficiency of the laser eavesdropping", Proc. SPIE 12965, AOPC 2023: Novel Technologies and Instruments for Astronomical Imaging and Spectroscopy, 1296504 (18 December 2023); https://doi.org/10.1117/12.3000208
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KEYWORDS
Water
Atmospheric propagation
Optical transmission
Turbulence
Wavefronts
Air temperature
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