Rayleigh - Mie Lidar System Design and Simulation

Journal of Atmospheric and Environmental Optics ›› 2013, Vol. 8 ›› Issue (4): 306-313.

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Rayleigh - Mie Lidar System Design and Simulation

JIANG Rong-hong, HE Xing-dao, WU Tao, DING Wen-Chao, FENG Jing

(Key Laboratory of Nondestructive Testing, Nanchang Hangkong University, Nanchang 330063, China）

Received:2013-03-07 Revised:2013-03-20 Online:2013-07-28 Published:2013-07-16

Abstract

Abstract:

A Rayleigh-Mie lidar used for detecting atmosphere temperature and aerosol is designed. The signal-to-noise ratio of the atmospheric backscattering signal was numerical simulationed. Effects of the laser pulse energy, the number of laser pulses emitted, telescope aperture, the resolution of the spatial distance, and narrow-band interference filter bandwidth and transmittance on the lidar signal-to-noise ratio were discussed. According to the simulation results, when the lidar runs during the daytime, the maximum detection height of aerosol is up to 10.6 km with the Mie scattering signal using a interference filter bandwidth of 1 nm. The maximum detection height of middle atmospheric temperature is up to 47.1 km with the Rayleigh scattering signal using a interference filter bandwidth of 0.2 nm.

Key words: lidar; narrow-band filter; simulation; signal-to-noise ratio

CLC Number:

P412.25

JIANG Rong-Hong, HE Xing-Dao, WU Tao, DING Wen-Chao, FENG Jing. Rayleigh - Mie Lidar System Design and Simulation[J]. Journal of Atmospheric and Environmental Optics, 2013, 8(4): 306-313.

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