EPJ Web Conf.
Volume 176, 2018The 28th International Laser Radar Conference (ILRC 28)
|Number of page(s)||4|
|Section||Recent advances in lidar technology|
|Published online||13 April 2018|
Advances in atmospheric temperature profile measurements using high spectral resolution lidar
University of Wisconsin-Madison, 1225 W. Dayton St., Madison, WI, 53706, USA,
Published online: 13 April 2018
This paper reports the atmospheric temperature profile measurements using a University of Wisconsin-Madison High Spectral Resolution Lidar (HSRL) and describes improvements in the instrument performance. HSRL discriminates between Mie and Rayleigh backscattering . Thermal motion of molecules broadens the spectrum of the transmitted laser light due to Doppler effect. The HSRL exploits this property to allow the absolute calibration of the lidar and measurements of the aerosol volume backscatter coefficient. Two iodine absorption filters with different line widths are used to resolve temperature sensitive changes in Rayleigh backscattering for atmospheric temperature profile measurements.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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