Study on the effect of aperture on laser scintillation characteristics

Ying Zhang; Chunhong Qiao; Xiaoxing Feng; Nan Li; Yuan Fang; Lin'ge Li; Liming Zhu; Yihua Cai; Guangwei Liu; Chengyu Fan

doi:10.1117/12.3015979

30 April 2024 Study on the effect of aperture on laser scintillation characteristics

Ying Zhang, Chunhong Qiao, Xiaoxing Feng, Nan Li, Yuan Fang, Lin'ge Li, Liming Zhu, Yihua Cai, Guangwei Liu, Chengyu Fan

Author Affiliations +

Proceedings Volume 13153, Sixth Conference on Frontiers in Optical Imaging and Technology: Novel Technologies in Optical Systems; 131530L (2024) https://doi.org/10.1117/12.3015979
Event: Sixth Conference on Frontiers in Optical Imaging Technology and Applications (FOI2023), 2023, Nanjing, JS, China

Abstract

Scintillation is a highly discussed problem in laser atmospheric transmission, which plays an important role in improving the reliability and performance of laser communication systems. In this study, numerical simulations are conducted using a computational model to investigate the variation of the on-axis scintillation index of the focused platform beam during horizontal atmospheric propagation, considering different transmitter aperture sizes. The simulation results indicate that the aperture size significantly affects the scintillation index. Under the same Rytov variance conditions, larger aperture sizes lead to stronger scintillation effects. For smaller aperture sizes, the scintillation index maintains a relatively linear relationship with the Rytov variance. The findings of this study provide further insights into the factors influencing the scintillation characteristics in laser atmospheric transmission and offer valuable references for the design and engineering applications of laser communication systems.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Ying Zhang, Chunhong Qiao, Xiaoxing Feng, Nan Li, Yuan Fang, Lin'ge Li, Liming Zhu, Yihua Cai, Guangwei Liu, and Chengyu Fan "Study on the effect of aperture on laser scintillation characteristics", Proc. SPIE 13153, Sixth Conference on Frontiers in Optical Imaging and Technology: Novel Technologies in Optical Systems, 131530L (30 April 2024); https://doi.org/10.1117/12.3015979

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KEYWORDS

Scintillation

Transmitters

Turbulence

Refractive index

Spherical lenses

Atmospheric scintillation

Laser systems engineering

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