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Doppler LIDAR Measurement of Wind in the Stratosphere
Jihui Dong,Hyunki Cha,김덕현,Sung Hoon Baik,Guocheng Wang,Lei Tang,Zhifeng Shu,Wenjing Xu,Dongdong Hu,Dongsong Sun 한국광학회 2010 Current Optics and Photonics Vol.14 No.3
A mobile direct detection Doppler LIDAR based on molecular backscattering for measurement of wind in the stratosphere has been developed in Hefei, China. First, the principle of wind measurement with direct detection Doppler LIDAR is presented. Then the configuration of the LIDAR system is described. Finally, the primary experimental results are provided and analyzed. The results indicate that the detection range of the designed Doppler LIDAR reached 50 km altitude, and there is good consistency between the molecular Doppler wind LIDAR(DWL) and the wind profile radar(WPR) in the low troposphere.
Low Stratospheric Wind Measurement Using Mobile Rayleigh Doppler Wind LIDAR
Zhi-feng Shu,Xian-kang Dou,Hai-yun Xia,Dong-song Sun,Yan Han,Hyunki Cha,김덕현,Guo-cheng Wang,백성훈,Dong-dong Hu 한국광학회 2012 Current Optics and Photonics Vol.16 No.2
A mobile Rayleigh Doppler wind LIDAR at an eye-safe wavelength of 355 nm incorporating double-edge technique with triple-channel Fabry-Perot etalon is developed for wind measurement from 5to 40km. The structure of this LIDAR system is described. An intercomparsion experiment with rawinsonde is made, showing good agreement with expected measurement accuracy. A continuous observation of stratosphere wind field for several days with temporal resolution of 15 min and spatial resolution of 200 m from 5 to 40 km is presented, demonstrating the stability and robustness of the LIDAR. A stratospheric quasi-zero wind layer can be found at around 20 km with a direction change from east to west evident in the continuous observation.