Design and simulation of 532nm Rayleigh-Mie Doppler wind Lidar system

Zhuang Peng; Chenbo Xie; Bangxin Wang; Fahua Shen; Min Tan; Lu Li; Zhanye Zhang

doi:10.1117/12.2315493

20 February 2018 Design and simulation of 532nm Rayleigh-Mie Doppler wind Lidar system

Zhuang Peng, Chenbo Xie, Bangxin Wang, Fahua Shen, Min Tan, Lu Li, Zhanye Zhang

Proceedings Volume 10697, Fourth Seminar on Novel Optoelectronic Detection Technology and Application; 106973W (2018) https://doi.org/10.1117/12.2315493
Event: Fourth Seminar on Novel Optoelectronic Detection Technology and Application, 2017, Nanjing, China

Abstract

Wind is one of the most significant parameter in weather forecast and the research of climate.It is essential for the weather forecast seasonally to yearly ,atmospheric dynamics,study of thermodynamics and go into the water, chemistry and aerosol which are have to do with global climate statusto measure three-dimensional troposphericwind field accurately.Structure of the doppler wind lidar system which based on Fabry-Perot etalon is introduced detailedly. In this section,the key parameters of the triple Fabry-Perot etalon are optimized and this is the key point.The results of optimizing etalon are as follows:the FSR is 8GHz,the FWHM is1GHz,3.48 GHz is the separation distance between two edge channels,and the separation distance between locking channel and the left edge channel is 1.16 GHz. In this condition,the sensitivity of wind velocity of Mie scattering and Rayleigh scattering is both 0.70%/(m/s) when the temperature is 255K in the height of 5Km and there is no wind. The simulation to this system states that in±50m/s radial wind speed range, the wind speed bias induced by Mie signal is less than 0.15m/s from 5 to 50km altitude.

Citation Download Citation

Zhuang Peng, Chenbo Xie, Bangxin Wang, Fahua Shen, Min Tan, Lu Li, and Zhanye Zhang "Design and simulation of 532nm Rayleigh-Mie Doppler wind Lidar system", Proc. SPIE 10697, Fourth Seminar on Novel Optoelectronic Detection Technology and Application, 106973W (20 February 2018); https://doi.org/10.1117/12.2315493

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