Compact dual wavelength 3.30 to 3.47-um DIAL lidar

Egor V. Degtiarev; Allen R. Geiger; Richard D. Richmond

doi:10.1117/12.394068

28 July 2000 Compact dual wavelength 3.30 to 3.47-μm DIAL lidar

Egor V. Degtiarev, Allen R. Geiger, Richard D. Richmond

Proceedings Volume 4036, Chemical and Biological Sensing; (2000) https://doi.org/10.1117/12.394068
Event: AeroSense 2000, 2000, Orlando, FL, United States

Abstract

A compact (2'6' X 2'5' X 1'1') 3.30 - 3.47-micrometers DIAL lidar has been constructed for base remediation and chemical monitoring. The lidar system is designed for short range (0.5 km maximum) aerosol backscatter detection of light hydrocarbons with sensitivities at parts-per-million level in a 30-m ranging bin. The system can also operate in the topographic mode. The on-line and off-line wavelengths are produced sequentially using a dual crystal intra-cavity KTA OPO. Detection is by means of an 8-in Newtonian telescope coupled to a Stirling cycle cooled InSb detector. The system incorporates an onboard digital signal processor and controller, operator's interface is furnished by a laptop PC. Results of initial tests using diesel fuel and a solvent are presented.

Citation Download Citation

Egor V. Degtiarev, Allen R. Geiger, and Richard D. Richmond "Compact dual wavelength 3.30 to 3.47-μm DIAL lidar", Proc. SPIE 4036, Chemical and Biological Sensing, (28 July 2000); https://doi.org/10.1117/12.394068

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