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T-SENSE a millimeter wave scanner for letters

 
: Nüßler, D.; Heinen, S.; Sprenger, T.; Hübsch, D.; Würschmidt, T.

:

Salmon, N.A. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Europe, Cardiff:
Millimetre wave and terahertz sensors and technology VI. Proceedings : The 6th International Conference Millimetre Wave and Terahertz Sensors and Technology, as a part of the SPIE Europe Security + Defence Meeting, 24 - 25 September 2013, Dresden, Germany
Bellingham, WA: SPIE, 2013 (SPIE Proceedings 8900)
ISBN: 978-0-8194-9769-7
Paper 89000M
International Conference Millimetre Wave and Terahertz Sensors and Technology <6, 2013, Dresden>
Event "Security + Defence" <2013, Dresden>
Englisch
Konferenzbeitrag
Fraunhofer FHR ()

Abstract
Letter bombs are an increasing problem for public authorities, companies and public persons. Nowadays every big company uses in his headquarters inspection system to check the incoming correspondence. Generally x-ray systems are used to inspect complete baskets or bags of letters. This concept which works very fine in big company with a large postal center is not usable for small companies or private persons. For an office environment with a small number of letters x-ray systems are too expensive and oversized. X-ray systems visualize the wires and electric circuits inside the envelope. If a letter contains no metallic components but hazard materials or drugs, the dangerous content is invisible for the most low-cost x-ray systems. Millimeter wave imagining systems offer the potential to close this gap.

: http://publica.fraunhofer.de/dokumente/N-275407.html