Share Email Print

Proceedings Paper

Pure rotational Raman lidar based on wavelength division multiplexing technique for temperature profiling of the troposphere
Author(s): Jiandong Mao; Dengxin Hua; Liaolin Hu; Fei Gao; Min Wu
Format Member Price Non-Member Price
PDF $14.40 $18.00
cover GOOD NEWS! Your organization subscribes to the SPIE Digital Library. You may be able to download this paper for free. Check Access

Paper Abstract

A new high-accuracy pure rotational Raman (PRR) lidar system at a laser wavelength of 532.25 nm, based on a technique of wavelength division multiplexing (WDM), has been designed for profiling the atmospheric temperature of the low troposphere. A special WDM, which was usually used in fiber communication field, is designed to separate two PRR signals of N2 and O2 for temperature retrieval, and to simultaneously block Mie- and Rayleigh-scattering signals with a rejection rate of large than 107. A numerical calculation is simulated to verify the feasibility of the lidar system, and the results showed that the PRR lidar based on spectroscopic characteristic of the WDM is capable of measuring the atmospheric temperature vertical profiles in the low troposphere, and a statistical temperature error less then 1K was achieved up to a height of 3.3 km and 5 km for daytime and nighttime measurement, respectively, under conditions of 300 mJ laser energy, 25-cm-diameter telescope, 10 min observation time, solar radiance of 3×108 Wm-2sr-1nm-1 and atmospheric backscattering ratio less then 3.4.

Paper Details

Date Published: 10 November 2007
PDF: 7 pages
Proc. SPIE 6795, Second International Conference on Space Information Technology, 67953D (10 November 2007); doi: 10.1117/12.774018
Show Author Affiliations
Jiandong Mao, Xi'an Univ. of Technology (China)
The Second Northwest Univ. for Nationality (China)
Dengxin Hua, Xi'an Univ. of Technology (China)
Liaolin Hu, Xi'an Univ. of Technology (China)
Fei Gao, Xi'an Univ. of Technology (China)
Min Wu, Xi'an Univ. of Technology (China)

Published in SPIE Proceedings Vol. 6795:
Second International Conference on Space Information Technology
Cheng Wang; Shan Zhong; Jiaolong Wei, Editor(s)

© SPIE. Terms of Use
Back to Top