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Chin. Opt. Lett.
 Home  List of Issues    Issue 03 , Vol. 06 , 2008    Measurement of tropospheric CO2 and aerosol extinction profiles with Raman lidar

Measurement of tropospheric CO2 and aerosol extinction profiles with Raman lidar
Peitao Zhao1, Yinchao Zhang2, Lian Wang3, Kaifa Cao1, Jia Su1, Shunxing Hu1, Huanling Hu1
1 [Anhui Institute of Optics and Fine Mechanics], Chinese Academy of Sciences, Hefei 230031

2 Department of Optical Engineering, Laboratory of Photoelectric Imaging and Information Engineering, [Beijing Institute of Technology], Beijing 100081

3 Department of Chemical Physics, [University of Science and Technology of China], Hefei 230026

Chin. Opt. Lett., 2008, 06(03): pp.157-160-4

Topic:Atmospheric and oceanic optics
Keywords(OCIS Code): 010.1290  010.3640  010.1120  010.1110  

A prototype Raman lidar was designed for monitoring tropospheric CO2 profile and other scientific investigations. The third harmonic of Nd:YAG laser (354.7-nm wavelength) was used as stimulated light source to provide nighttime measurements. Filter with high rejection ratio performance was used to extract CO2 Raman signals from Rayleigh-Mie scattering signals effectively. To improve the real time monitoring function, a two-channel signal collection system was designed to collect CO2 and N2 Raman scattering signals simultaneously. The N2 Raman scattering signals were used to retrieve aerosol extinction coefficient. Typical features of CO2 concentration profile and aerosol extinction coefficient in Hefei were presented. The mixing ratio of atmospheric CO2 in Hefei can reach about 360-400 ppmv.

Copyright: © 2003-2012 . This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Get Citation: Peitao Zhao, Yinchao Zhang, Lian Wang, Kaifa Cao, Jia Su, Shunxing Hu, Huanling Hu, "Measurement of tropospheric CO2 and aerosol extinction profiles with Raman lidar," Chin. Opt. Lett. 06(03), 157-160-4(2008)

Note: This work was supported by National High Technology Development Program of China under Grant No.2002AA135030. P. Zhao's e-mail address is peitaozhao@163.com.


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