Remote concealed weapon detection in millimeter-wave region: active and passive

Stephan Stanko; Frank Klöppel; Johann Huck; Denis Nötel; Manfred Hägelen; Gunnar Briese; Alexander Gregor; Sreenivas Erukulla; Hans-Hellmuth Fuchs; Helmut Essen; Anke Pagels

doi:10.1117/12.688954

5 October 2006 Remote concealed weapon detection in millimeter-wave region: active and passive

Stephan Stanko, Frank Klöppel, Johann Huck, Denis Nötel, Manfred Hägelen, Gunnar Briese, Alexander Gregor, Sreenivas Erukulla, Hans-Hellmuth Fuchs, Helmut Essen, Anke Pagels

Author Affiliations +

Proceedings Volume 6396, Electro-Optical Remote Sensing II; 639606 (2006) https://doi.org/10.1117/12.688954
Event: Optics/Photonics in Security and Defence, 2006, Stockholm, Sweden

Abstract

Sensors used for Security purposes have to cover the non-invasive inspection of persons, baggage and letters with the aim to detect weapons, explosives and chemical or biological threat material. Currently, emphasis is placed on system concepts and technologies for this type of applications, employing millimeterwave-, submillimeterwave- and terahertz sensors. This is based on the capability of these frequency bands to look through textiles and the possibility to achieve a geometric resolution which is sufficient to resolve critical items within the necessary range. Using multiple frequencies promises to give more detailed information about the structure of the observed objects. Furthermore, to overcome the limitations of passive millimeter- and submillimeterwave sensors which depend on indirect illumination, systems using miniaturized mmw-radar modules are applied as well. This paper describes two approaches for the detection of concealed weapons, the first using a millimeterwave radiometer on a scanner and the second employing a miniaturized radar module based on a synthetic aperture method.

Citation Download Citation

Stephan Stanko, Frank Klöppel, Johann Huck, Denis Nötel, Manfred Hägelen, Gunnar Briese, Alexander Gregor, Sreenivas Erukulla, Hans-Hellmuth Fuchs, Helmut Essen, and Anke Pagels "Remote concealed weapon detection in millimeter-wave region: active and passive", Proc. SPIE 6396, Electro-Optical Remote Sensing II, 639606 (5 October 2006); https://doi.org/10.1117/12.688954

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