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18 May 2005 People screening using terahertz technology (Invited Paper)
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Abstract
There is a need for ever more effective security screening to detect an increasing variety of threats. Many techniques employing different parts of the electromagnetic spectrum from radio up to X- and gamma-ray are in use. Terahertz radiation, which lies between microwave and infrared, is the last part to be exploited for want, until the last few years, of suitable sources and detectors. Terahertz imaging and spectroscopy has been shown to have the potential to use very low levels of this non-ionising radiation to detect and identify objects hidden under clothing. This paper describes recent work on the development of prototype systems using terahertz to provide new capabilities in people screening, both at security checkpoints and stand-off detection for remote detection of explosives and both metallic and non-metallic weapons.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Colin Baker, William R. Tribe, Thomas Lo, Bryan E. Cole, Simon Chandler, and Michael C. Kemp "People screening using terahertz technology (Invited Paper)", Proc. SPIE 5790, Terahertz for Military and Security Applications III, (18 May 2005); https://doi.org/10.1117/12.602976
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