Characteristics and analysis of a type of simulator of atmospheric turbulence

Xinpeng Yu; Youquan Dan; Luopeng Xu

doi:10.1117/12.2071018

3 December 2014 Characteristics and analysis of a type of simulator of atmospheric turbulence

Xinpeng Yu, Youquan Dan, Luopeng Xu

Proceedings Volume 9297, International Symposium on Optoelectronic Technology and Application 2014: Laser and Optical Measurement Technology; and Fiber Optic Sensors; 92970O (2014) https://doi.org/10.1117/12.2071018
Event: International Symposium on Optoelectronic Technology and Application 2014, 2014, Beijing, China

Abstract

Comparison and analysis for several usual types of atmospheric turbulence simulator are first given in this paper. Considering the Tatarskii spectrum and the conditions of laboratory, secondly, the numerical calculations of the M² factor and the spatial and angular widths of coherent Gaussian beams in turbulence are performed. Finally, a kind of a hot-wind atmospheric turbulence generator is designed and its characteristics are analyzed. The results show that the turbulence generator is very suitable to use in studying the effects of turbulence on the M² factor of cw laser beams. Also, the values of both the structure constant of refractive index fluctuations C_n² and the inner scale of turbulence required by the generator are still in accordance with those of actual atmospheric turbulence.

Citation Download Citation

Xinpeng Yu, Youquan Dan, and Luopeng Xu "Characteristics and analysis of a type of simulator of atmospheric turbulence", Proc. SPIE 9297, International Symposium on Optoelectronic Technology and Application 2014: Laser and Optical Measurement Technology; and Fiber Optic Sensors, 92970O (3 December 2014); https://doi.org/10.1117/12.2071018

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