Paper
21 April 2022 Influence of atmospheric turbulence on laser time-frequency transmission
Xuchao Liu, Huagui Li, Shaobo Li
Author Affiliations +
Proceedings Volume 12175, International Conference on Network Communication and Information Security (ICNCIS 2021); 121750G (2022) https://doi.org/10.1117/12.2629764
Event: International Conference on Network Communication and Information Security (ICNCIS 2021), 2021, Beijing, China
Abstract
Based on the classical theory of atmospheric turbulence, the time-frequency transfer model of laser in free space channel was established, and the variation rules of turbulence intensity, outer scale, wind speed and transmission distance on the stabiliThe random fluctuation of atmospheric refractive index seriously affects the accuracy and stability ty of frequency transfer were simulated and compared with common noise types. The results show that the stability of frequency transfer decreases linearly with the increase of turbulence intensity and transmission distance. The interference of medium intensity turbulence to frequency signal is greater than the inherent noise of the system. The frequency stability is negatively correlated with the wind speed. Increasing the integration time may reduce the wind speed disturbance. This paper can provide reference for the design and optimization of laser time-frequency transmission system.
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Xuchao Liu, Huagui Li, and Shaobo Li "Influence of atmospheric turbulence on laser time-frequency transmission", Proc. SPIE 12175, International Conference on Network Communication and Information Security (ICNCIS 2021), 121750G (21 April 2022); https://doi.org/10.1117/12.2629764
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KEYWORDS
Turbulence

Time-frequency analysis

Atmospheric turbulence

Interference (communication)

Atmospheric modeling

Free space optics

Refractive index

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