Optimization of Mach-Zehnder interferometer of high-spectral-resolution lidar for large-scale wind measurement

被引：0
|
作者：
Gao, Fengjia [1 ]
Gao, Fei [1 ,2 ,3 ]
Zhao, Tingting [1 ]
Wang, Li [1 ,2 ,3 ]
Song, Yuehui [1 ,2 ]
Hua, Dengxin [1 ,2 ,3 ]
Stanic, Samo [4 ]
机构：
[1] Xian Univ Technol, Sch Mech & Precis Instrument Engn, Xian 710048, Peoples R China
[2] Shaanxi Collaborat Innovat Ctr Modern Equipment Gr, Xian 710048, Peoples R China
[3] Key Lab Metrol Opt & Applicat State Market Regulat, Xian 710048, Peoples R China
[4] Univ Nova Gorica, Ctr Atmospher Res, SI-5000 Nova Gorica, Slovenia
来源：
OPTICS EXPRESS | 2024年 / 32卷 / 12期
基金：
中国国家自然科学基金;
关键词：
DOPPLER LIDAR; BACKSCATTERING; PERFORMANCE; ANALYZER;
D O I：
10.1364/OE.522608
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The optimization design of a quadri-channel Mach-Zehnder interferometer (QMZI) of the high-spectral-resolution lidar is presented for the large-scale wind measurement. The optimized QMZI can discriminate the Doppler frequency shift generated by atmospheric wind from aerosol Mie scattering echo signals and molecular Rayleigh scattering echo signals, and then the wind information can be retrieved. The optimal optical path differences (OPDs) of QMZI are determined by theoretical and simulation analysis. The wind measurement simulation experiments prove that the designed QMZI can measure the large-scale wind with an accuracy of meter level. (c) 2024 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement
引用
收藏
页码：20797 / 20811
页数：15
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