THz imaging and sensing for security applications - Explosives, weapons and drugs

Document Type

Article

Publication Date

7-1-2005

Abstract

Over the past 5 years, there has been a significant interest in employing terahertz (THz) technology, spectroscopy and imaging for security applications. There are three prime motivations for this interest: (a) THz radiation can detect concealed weapons since many non-metallic, non-polar materials are transparent to THz radiation; (b) target compounds such as explosives and illicit drugs have characteristic THz spectra that can be used to identify these compounds and (c) THz radiation poses no health risk for scanning of people. In this paper, stand-off interferometric imaging and sensing for the detection of explosives, weapons and drugs is emphasized. Future prospects of THz technology are discussed. © 2005 IOP Publishing Ltd.

Identifier

21044447103 (Scopus)

Publication Title

Semiconductor Science and Technology

External Full Text Location

https://doi.org/10.1088/0268-1242/20/7/018

ISSN

02681242

First Page

S266

Last Page

S280

Issue

7

Volume

20

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