NDLI: High-performance orthogonal sensing system and data analysis algorithm for trace explosives detection

Content Provider	IEEE Xplore Digital Library
Author	Guharay, S.K. Wansheng Su
Copyright Year	2010
Description	Author affiliation: The MITRE Corporation, McLean, VA, USA (Guharay, S.K.; Wansheng Su)
Abstract	A hybrid sensor system is developed for trace explosives detection. The system incorporates orthogonal operational principles of its subcomponents: Surface Enhanced Raman Spectroscopy (SERS) provides high sensitivity as well as high selectivity, i.e., ultra-low detection limits simultaneously with very low false alarm rates while an ionization-based method, such as Ion Mobility Spectrometry (IMS), is used as a pre-filter to SERS, for this approach. This solution offers a significantly improved detection technology when both modes are evaluated concurrently, especially making a significant enhancement of the capability of SERS for open environment applications. This concept of operation provides a clean and controlled environment, and it enhances the operational reliability of SERS which forms the critical unit for this new detection system. The combined system outperforms the individual IMS or SERS components taken individually. This hybrid, orthogonal sensing method can be applied to other types of threat detection as well, namely, chemical and biological threats.
Starting Page	435
Ending Page	438
File Size	179453
Page Count	4
File Format	PDF
ISBN	9781424460472
e-ISBN	9781424460489
DOI	10.1109/THS.2010.5654953
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-11-08
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Algorithm design and analysis Measurement trace explosives detetcion SERS Ions Explosives Sensors Reliability algorithm for rapid data analysis orthogonal sensing principles Substrates IMS
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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