Standoff detection of trace chemicals with laser dispersion spectrometer

Michal Nikodem

doi:10.1117/12.2176966

13 May 2015 Standoff detection of trace chemicals with laser dispersion spectrometer

Michal Nikodem

Proceedings Volume 9486, Advanced Environmental, Chemical, and Biological Sensing Technologies XII; 94860M (2015) https://doi.org/10.1117/12.2176966
Event: SPIE Sensing Technology + Applications, 2015, Baltimore, MD, United States

Abstract

In this paper we present a laser spectroscopy system designed for application in standoff chemical detection. The system is based on a dispersion sensing approach which provides high immunity to amplitude noise and optical power fluctuations. It is well suited for industrial applications (e.g. leak detection) as well as for environmental monitoring (e.g. measuring emissions from distributed sources like wetlands or water reservoirs using single instrument that covers large area with path-integrated detection). A detailed system configuration is presented. Feasibility of standoff gas detection using laser dispersion spectrometer with scattering optical targets is demonstrated.

Citation Download Citation

Michal Nikodem "Standoff detection of trace chemicals with laser dispersion spectrometer", Proc. SPIE 9486, Advanced Environmental, Chemical, and Biological Sensing Technologies XII, 94860M (13 May 2015); https://doi.org/10.1117/12.2176966

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