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Proceedings Paper

Study of fluorescence of atmospheric aerosols using a lidar spectrometer
Author(s): Nobuo Sugimoto; Zhongwei Huang; Tomoaki Nishizawa; Ichiro Matsui; Boyan Tatarov
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Paper Abstract

A lidar for measuring fluorescence from atmospheric aerosols was constructed with a third harmonic Nd:YAG laser, a 1- m diameter telescope, and a 32-channel time-resolved photon counting spectrometer system. Fluorescence of aerosols in the spectral range from 420 nm to 510 nm was studied with the excitation at 355 nm. The distribution of fluorescent aerosols was studied in the time-height indications of the broad fluorescence. Type of the aerosols was identified from simultaneous observation with a polarization lidar in the Asian dust and aerosol observation lidar network (AD-Net). It was found that Asian dust and air-pollution aerosols transported from urban or industrial areas emit fluorescence. Fluorescence efficiency was roughly estimated for these aerosols. The results suggest fluorescence measurements combined with the measurement of microphysical parameters of aerosols using a multiple-wavelength Raman lidar or high-spectral-resolution lidar will provide useful information for characterizing chemical properties of aerosols.

Paper Details

Date Published: 19 November 2012
PDF: 8 pages
Proc. SPIE 8526, Lidar Remote Sensing for Environmental Monitoring XIII, 852607 (19 November 2012); doi: 10.1117/12.977177
Show Author Affiliations
Nobuo Sugimoto, National Institute for Environmental Studies (Japan)
Zhongwei Huang, Lanzhou Univ. (China)
Tomoaki Nishizawa, National Institute for Environmental Studies (Japan)
Ichiro Matsui, National Institute for Environmental Studies (Japan)
Boyan Tatarov, Gwangju Institute of Science and Technology (Korea, Republic of)

Published in SPIE Proceedings Vol. 8526:
Lidar Remote Sensing for Environmental Monitoring XIII
Kazuhiro Asai; Nobuo Sugimoto; Upendra N. Singh; Achuthan Jayaraman; Jianping Huang; Detlef Mueller, Editor(s)

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