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Proceedings Paper

Detection of liquid hazardous molecules using linearly focused Raman spectroscopy
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Paper Abstract

In security, it is an important issue to analyze hazardous materials in sealed bottles. Particularly, prompt nondestructive checking of sealed liquid bottles in a very short time at the checkpoints of crowded malls, stadiums, or airports is of particular importance to prevent probable terrorist attack using liquid explosives. Aiming to design and fabricate a detector for liquid explosives, we have used linearly focused Raman spectroscopy to analyze liquid materials in transparent or semi-transparent bottles without opening their caps. Continuous lasers with 532 nm wavelength and 58 mW/130 mW beam energy have been used for the Raman spectroscopy. Various hazardous materials including flammable liquids and explosive materials have successfully been distinguished and identified within a couple of seconds. We believe that our technique will be one of suitable methods for fast screening of liquid materials in sealed bottles.

Paper Details

Date Published: 29 May 2013
PDF: 6 pages
Proc. SPIE 8721, Sensing for Agriculture and Food Quality and Safety V, 87210U (29 May 2013); doi: 10.1117/12.2020834
Show Author Affiliations
Soo Gyeong Cho, Agency for Defense Development (Korea, Republic of)
Jin Hyuk Chung, Agency for Defense Development (Korea, Republic of)

Published in SPIE Proceedings Vol. 8721:
Sensing for Agriculture and Food Quality and Safety V
Moon S. Kim; Shu-I Tu; Kuanglin Chao, Editor(s)

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