Zero Doppler correction for Fabry–Pérot interferometer-based direct-detection Doppler wind LIDAR

Nannan Zhang; Dongsong Sun; Yuli Han; Chong Chen; Yuanzu Wang; Jun Zheng; Hengjia Liu; Fei Han; Anran Zhou; Lei Tang

doi:10.1117/1.OE.58.5.054101

15 May 2019 Zero Doppler correction for Fabry–Pérot interferometer-based direct-detection Doppler wind LIDAR

Nannan Zhang, Dongsong Sun, Yuli Han, Chong Chen, Yuanzu Wang, Jun Zheng, Hengjia Liu, Fei Han, Anran Zhou, Lei Tang

Author Affiliations +

Optical Engineering, Vol. 58, Issue 5, 054101 (May 2019). https://doi.org/10.1117/1.OE.58.5.054101

Abstract

Direct-detection Doppler LIDAR has been demonstrated for its high temporal and spatial resolution in atmosphere wind detection from troposphere to stratosphere. As Doppler frequency is a relative value, the zero point drift would lead to wind velocity error. So the zero Doppler correction was necessary for high-accuracy wind measurement. We analyzed the reasons that would cause zero point drift and demonstrated a designed Fabry–Pérot interferometer and front optics to measure Rayleigh scatter laser and emitted laser frequency in the meantime. Wind observation experiments were demonstrated in XinJiang, China, and the measured wind profile coincided well with radiosonde results.

Citation Download Citation

Nannan Zhang, Dongsong Sun, Yuli Han, Chong Chen, Yuanzu Wang, Jun Zheng, Hengjia Liu, Fei Han, Anran Zhou, and Lei Tang "Zero Doppler correction for Fabry–Pérot interferometer-based direct-detection Doppler wind LIDAR," Optical Engineering 58(5), 054101 (15 May 2019). https://doi.org/10.1117/1.OE.58.5.054101

Received: 23 January 2019; Accepted: 23 April 2019; Published: 15 May 2019

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