Development of a Raman Temperature LiDAR with Low Energy and Small Aperture by Parameter Optimization

被引：0

作者：

Xu, Bingqing ^{[1
]}

Yang, Honglong ^{[2
]}

Xian, Jinhong ^{[2
,3
]}

Xu, Wenjing ^{[1
]}

Han, Yuli ^{[1
]}

Chen, Chong ^{[1
]}

Gong, Yu ^{[4
]}

Sun, Dongsong ^{[1
]}

Wang, Xuan ^{[5
]}

机构：

[1] Univ Sci & Technol China, Sch Earth & Space Sci, Hefei 230026, Peoples R China

[2] Meteorol Bur Shenzhen Municipal, Shenzhen Natl Climate Observ, Shenzhen 518040, Peoples R China

[3] Nanjing Univ, Sch Atmospher Sci, Nanjing 210023, Peoples R China

[4] Guangdong Ecol Meteorol Ctr, Guangzhou 510640, Peoples R China

[5] Wuhan Univ, Sch Remote Sensing & Informat Engn, Wuhan 430072, Peoples R China

来源：

PHOTONICS | 2023年 / 10卷 / 07期

基金：

中国国家自然科学基金;

关键词：

Raman temperature LiDAR; low energy; small aperture; pure rotational Raman; parameter optimization; ATMOSPHERIC-TEMPERATURE; PROFILES;

D O I：

10.3390/photonics10070716

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The range of detection and accuracy of currently available Raman temperature LiDAR systems are primarily improved by increasing the energy or the aperture of the receiving telescope. However, this does not lead to a corresponding linear increase in the distance of detection and accuracy of the system. In this paper, the authors construct a simulation model and optimize its parameters to develop a Raman temperature LiDAR with low energy and a small aperture that has a maximum distance of detection of over 5 km during the day and over 10 km at night. The profile of the atmospheric temperature obtained through field tests was in good agreement with the results of a radiosonde. The maximum correlation between the Raman temperature LiDAR and the radiosonde was 0.94 at night and 0.81 during the day. The results showed that the proposed Raman temperature LiDAR, with low energy and a small aperture, can provide reliable data on the temperature in the troposphere throughout the day.

引用

页数：15

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