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16 July 2019 Liquid trace detection and identification by spectral reflectance model
Ran Aharoni, Shmuel Elisha, David Peri, Shai Kendler
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Abstract

A basic concept for detection and identification of liquid phase chemicals that may harm the environment is presented. Reliable detection is shown to be possible using a simplified model describing a uniform layer as well as realistic dispersal, shown to be in nonuniform irregular surface coverage. The results are dependent upon the effect of droplet size and spectral scattering from liquid–air interface on the measured scattered light. This information is crucial for accurate identification for on-site real-time sensing.

© 2019 Society of Photo-Optical Instrumentation Engineers (SPIE) 0091-3286/2019/$28.00 © 2019 SPIE
Ran Aharoni, Shmuel Elisha, David Peri, and Shai Kendler "Liquid trace detection and identification by spectral reflectance model," Optical Engineering 58(7), 074104 (16 July 2019). https://doi.org/10.1117/1.OE.58.7.074104
Received: 10 April 2019; Accepted: 24 June 2019; Published: 16 July 2019
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