Performance comparison of single and dual-excitation-wavelength resonance-Raman explosives detectors

Balakishore Yellampalle; Robert Martin; Kenneth Witt; William McCormick; Hai-Shan Wu; Mikhail Sluch; Robert Ice; Brian Lemoff

doi:10.1117/12.2262636

3 May 2017 Performance comparison of single and dual-excitation-wavelength resonance-Raman explosives detectors

Balakishore Yellampalle, Robert Martin, Kenneth Witt, William McCormick, Hai-Shan Wu, Mikhail Sluch, Robert Ice, Brian Lemoff

Author Affiliations +

Proceedings Volume 10183, Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XVIII; 101830E (2017) https://doi.org/10.1117/12.2262636
Event: SPIE Defense + Security, 2017, Anaheim, CA, United States

Abstract

Deep-ultraviolet Raman spectroscopy is a very useful approach for standoff detection of explosive traces. Using two simultaneous excitation wavelengths improves the specificity and sensitivity to standoff explosive detection. The High Technology Foundation developed a highly compact prototype of resonance Raman explosives detector. In this work, we discuss the relative performance of a dual-excitation sensor compared to a single-excitation sensor. We present trade space analysis comparing three representative Raman systems with similar size, weight, and power. The analysis takes into account, cost, spectral resolution, detection/identification time and the overall system benefit.

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Citation Download Citation

Balakishore Yellampalle, Robert Martin, Kenneth Witt, William McCormick, Hai-Shan Wu, Mikhail Sluch, Robert Ice, and Brian Lemoff "Performance comparison of single and dual-excitation-wavelength resonance-Raman explosives detectors", Proc. SPIE 10183, Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XVIII, 101830E (3 May 2017); https://doi.org/10.1117/12.2262636

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