Mie-Raman lidar for fine-detection of atmospheric aerosol profiles

Fei Gao; Jiandong Mao; Yi Zhou; Jun Liu; Dengxin Hua

doi:10.1117/12.819587

31 December 2008 Mie-Raman lidar for fine-detection of atmospheric aerosol profiles

Fei Gao, Jiandong Mao, Yi Zhou, Jun Liu, Dengxin Hua

Proceedings Volume 7130, Fourth International Symposium on Precision Mechanical Measurements; 71301D (2008) https://doi.org/10.1117/12.819587
Event: Fourth International Symposium on Precision Mechanical Measurements, 2008, Anhui, China

Abstract

The Raman lidar technique has the capability of accurately profiling the extinction coefficient of aerosol. A Mie-Raman lidar was developed for measuring the optical properties of atmospheric aerosol, such as extinction coefficient, volume backscatter coefficient and lidar ratio. The vibrational Raman signal of nitrogen and Mie-Rayleigh scattering signal are separated spatially by use of the high-resolution grating and narrow bandpass filters, and then detected by two photomultiplier tubes with a pre-amplifier. Preliminary experiments show that the Mie-Raman lidar system operated in analog detection mode has the capability of measuring aerosol profiles up to a height of 3km with 250mJ of laser energy and 8 minute integration time.

Citation Download Citation

Fei Gao, Jiandong Mao, Yi Zhou, Jun Liu, and Dengxin Hua "Mie-Raman lidar for fine-detection of atmospheric aerosol profiles", Proc. SPIE 7130, Fourth International Symposium on Precision Mechanical Measurements, 71301D (31 December 2008); https://doi.org/10.1117/12.819587

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