Mobile incoherent Doppler lidar using fiber-based lidar receivers

Dongdong Hu; Dongsong Sun; Zhifeng Shu; Mingjia Shangguan; Yuanyuan Gao; Xiankang Dou

doi:10.1117/1.OE.53.9.093106

22 September 2014 Mobile incoherent Doppler lidar using fiber-based lidar receivers

Dongdong Hu, Dongsong Sun, Zhifeng Shu, Mingjia Shangguan, Yuanyuan Gao, Xiankang Dou

Author Affiliations +

Optical Engineering, Vol. 53, Issue 9, 093106 (September 2014). https://doi.org/10.1117/1.OE.53.9.093106

Abstract

A mobile incoherent Doppler lidar was developed at the University of Science and Technology of China. The lidar consists of three subsystems. All subsystems are designed based on the well-proven double-edge technique, operate at 354.7 nm, and use Fabry–Perot etalons as frequency discriminators. The whole system is designed for wind measurement from 15- to 60-km height. In order to make the lidar receiver more compact and stable and to reduce interference between optical paths inside the receiver box, fiber splitters are introduced into the lidar receivers as a substitute for normally used discrete components. According to the stability of the splitter, the wind error dominated by the splitting ratio would be <0.49 m/s. To reduce luminance heterogeneity’s influence on the splitter performance, an integrating sphere is used in the system. Multiple measurements of transmission curves have a maximum mean squared error of 9.674E−5. A typical result of wind profile is also given to help demonstrate the reliability of the lidar and the fiber-based receiver.

Citation Download Citation

Dongdong Hu, Dongsong Sun, Zhifeng Shu, Mingjia Shangguan, Yuanyuan Gao, and Xiankang Dou "Mobile incoherent Doppler lidar using fiber-based lidar receivers," Optical Engineering 53(9), 093106 (22 September 2014). https://doi.org/10.1117/1.OE.53.9.093106

Published: 22 September 2014

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