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Ultraviolet Raman lidar for high-accuracy profiling of aerosol extinction coefficient

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Abstract

An ultraviolet (UV) Raman lidar system at 354.7 nm has been developed for accurately measuring the aerosol extinction profiles. A spectroscopic filter combining a high-spectral-resolution grating with two narrowband mirrors is used to separate the vibrational Raman scattering signal of N2 at a central wavelength of 386.7 nm and the elastic scattering signal at 354.7 nm. The aerosol extinction is derived from the Raman scattering of N2 and the elastic scattering by the use of Raman method and Klett method, respectively. The derived results of aerosol extinction are used to compare the difference of two retrieval methods, and the preliminary experiment shows that the Raman lidar system operated in analog detection mode has the capability of measuring aerosol profiles up to a height of 3 km with a laser energy of 250 mJ and an integration time of 8 min.

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收稿日期:2008-05-30

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网络出版日期:0001-01-01

作者单位    点击查看

高飞:School of Mechanical and Precision Instrument Engineering, Xi'an University of Technology, Xi'an 7100482 Ocean Remote Sensing Institute, Ocean University of China, Qingdao 266003
宋小全
王玉峰:School of Mechanical and Precision Instrument Engineering, Xi'an University of Technology, Xi'an 7100482 Ocean Remote Sensing Institute, Ocean University of China, Qingdao 266003
周毅:School of Mechanical and Precision Instrument Engineering, Xi'an University of Technology, Xi'an 7100482 Ocean Remote Sensing Institute, Ocean University of China, Qingdao 266003
华灯鑫:School of Mechanical and Precision Instrument Engineering, Xi'an University of Technology, Xi'an 7100482 Ocean Remote Sensing Institute, Ocean University of China, Qingdao 266003

备注:This work was supported by the National Natural Science Foundation of China (No。40675015), the Key Project of Ministry of Education of China (No。207117), and the Nature Science Foundation of Shaanxi Province Education Department (No。07JK336)。 E-mail: dengxinhua@xaut。edu。cn

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引用该论文

Fei Gao, Xiaoquan Song, Yufeng Wan, Yi Zhou, Dengxin Hua, "Ultraviolet Raman lidar for high-accuracy profiling of aerosol extinction coefficient," Chinese Optics Letters 7(2), 95-97 (2009)

被引情况

【1】伯广宇,谢晨波,刘东,陈涛,王邦新,王珍珠,钟志庆,周军. 拉曼激光雷达探测合肥地区夏秋季边界层气溶胶的光学性质. 中国激光, 2010, 37(10): 2526-2532

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