Evaluation of differential absorption lidar (DIAL) measurement error by simultaneous DIAL and null profiling

Tetsuo Fukuchi; Takashi Fujii; Naohiko Goto; Koshichi Nemoto; Nobuo Takeuchi

doi:10.1117/1.1347999

1 March 2001 Evaluation of differential absorption lidar (DIAL) measurement error by simultaneous DIAL and null profiling

Tetsuo Fukuchi, Takashi Fujii, Naohiko Goto, Koshichi Nemoto, Nobuo Takeuchi

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Optical Engineering, Vol. 40, Issue 3, (March 2001). https://doi.org/10.1117/1.1347999

A differential absorption lidar system for measurement of trace atmospheric substances in the visible and UV regions is developed. The system is based on a pair of Nd:YAG pumped dye lasers, each capable of emitting two wavelengths on alternate shots. The measurement error of the system was evaluated by measurement of tropospheric O3 using two identical differential absorption lidar (DIAL) pairs, from which two null profiles and four DIAL profiles are obtained simultaneously. The null profiles, obtained for both the on and off wavelengths used in DIAL measurement, are useful to evaluate systematic DIAL measurement error due to beam misalignment. The null profiles show that this systematic error is at most 1.3%. The total DIAL measurement error is about 5%, most of which can be attributed to statistical error.

©(2001) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Tetsuo Fukuchi, Takashi Fujii, Naohiko Goto, Koshichi Nemoto, and Nobuo Takeuchi "Evaluation of differential absorption lidar (DIAL) measurement error by simultaneous DIAL and null profiling," Optical Engineering 40(3), (1 March 2001). https://doi.org/10.1117/1.1347999

Published: 1 March 2001

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