Stand-off detection of liquid thin films using active mid-infrared hyperspectral imaging

L. Maidment; Z. Zhang; C. R. Howle; S. T. Lee; A. Christie; D. T. Reid

doi:10.1117/12.2197586

22 October 2015 Stand-off detection of liquid thin films using active mid-infrared hyperspectral imaging

L. Maidment, Z. Zhang, C. R. Howle, S. T. Lee, A. Christie, D. T. Reid

Author Affiliations +

Proceedings Volume 9648, Electro-Optical and Infrared Systems: Technology and Applications XII; and Quantum Information Science and Technology; 964804 (2015) https://doi.org/10.1117/12.2197586
Event: SPIE Security + Defence, 2015, Toulouse, France

Abstract

A hyperspectral imaging system was implemented using active illumination in the 3-4-μm band from an MgO:PPLN ultrafast optical parametric oscillator. Using a staring configuration based on a high-resolution mid-IR camera it was possible to distinguish between liquid chemicals based on their absorption characteristics, demonstrating the potential for standoff detection of a wide range of liquids.

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L. Maidment, Z. Zhang, C. R. Howle, S. T. Lee, A. Christie, and D. T. Reid "Stand-off detection of liquid thin films using active mid-infrared hyperspectral imaging", Proc. SPIE 9648, Electro-Optical and Infrared Systems: Technology and Applications XII; and Quantum Information Science and Technology, 964804 (22 October 2015); https://doi.org/10.1117/12.2197586

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