Raman lidar characterization using a reference lamp

Eduardo Landulfo; Renata F. da Costa; Patricia F. Rodrigues; Fábio J. da Silva Lopes

doi:10.1117/12.2057376

20 October 2014 Raman lidar characterization using a reference lamp

Eduardo Landulfo, Renata F. da Costa, Patricia F. Rodrigues, Fábio J. da Silva Lopes

Proceedings Volume 9246, Lidar Technologies, Techniques, and Measurements for Atmospheric Remote Sensing X; 92460W (2014) https://doi.org/10.1117/12.2057376
Event: SPIE Remote Sensing, 2014, Amsterdam, Netherlands

Abstract

The determination of the amount of water vapor in the atmosphere using lidar is a calibration dependent technique. Different collocated instruments are used for this purpose, like radiossoundings and microwave radiometers. When there are no collocated instruments available, an independente lamp mapping calibration technique can be used. Aiming to stabilish an independ technique for the calibration of the six channels Nd-YAG Raman lidar system located at the Center for Lasers and Applications (CLA), S˜ao Paulo, Brazil, an optical characterization of the system was first performed using a reference tungsten lamp. This characterization is useful to identify any possible distortions in the interference filters, telescope mirror and stray light contamination. In this paper we show three lamp mapping caracterizations (01/16/2014, 01/22/2014, 04/09/2014). The first day is used to demostrate how the tecnique is useful to detect stray light, the second one how it is sensible to the position of the filters and the third one demostrates a well optimized optical system.

Citation Download Citation

Eduardo Landulfo, Renata F. da Costa, Patricia F. Rodrigues, and Fábio J. da Silva Lopes "Raman lidar characterization using a reference lamp", Proc. SPIE 9246, Lidar Technologies, Techniques, and Measurements for Atmospheric Remote Sensing X, 92460W (20 October 2014); https://doi.org/10.1117/12.2057376

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