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Proceedings Paper

Millimetre wave sensors for non-invasive inspection of people and luggage
Author(s): Dirk Nuessler; Helmut Essen; Manfred Haegelen; Stefan Stanko; Gunnar Briese
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Paper Abstract

The paper describes different technological efforts to demonstrate the usefulness of millimeter wave sensors for security applications. The scope of the work covers a miniature radar in a portal geometry using a near field SAR approach for passenger control and the same radar hardware with a slightly modified scanning approach for luggage inspection employing a three dimensional SAR algorithm. Another approach to detect concealed weapons and explosives is by using radiometric systems. In principle, a scanner using this technique measures the thermal noise of the radiation reflected by the body. This is equivalent to the temperature on the surface of the body. The main difficulty with this technique is the realization of a fast scanning algorithm. The status of both approaches is surveyed and typical results are discussed.

Paper Details

Date Published: 2 October 2008
PDF: 7 pages
Proc. SPIE 7117, Millimetre Wave and Terahertz Sensors and Technology, 711708 (2 October 2008); doi: 10.1117/12.799442
Show Author Affiliations
Dirk Nuessler, FGAN- Research Institute for High Frequency Physics and Radar Techniques (Germany)
Helmut Essen, FGAN- Research Institute for High Frequency Physics and Radar Techniques (Germany)
Manfred Haegelen, FGAN- Research Institute for High Frequency Physics and Radar Techniques (Germany)
Stefan Stanko, FGAN- Research Institute for High Frequency Physics and Radar Techniques (Germany)
Gunnar Briese, FGAN- Research Institute for High Frequency Physics and Radar Techniques (Germany)


Published in SPIE Proceedings Vol. 7117:
Millimetre Wave and Terahertz Sensors and Technology
Keith A. Krapels; Neil A. Salmon, Editor(s)

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