T-SENSE a millimeter wave scanner for letters

Dirk Nüßler; Sven Heinen; Thorsten Sprenger; Daniel Hübsch; Tobais Würschmidt

doi:10.1117/12.2029172

18 October 2013 T-SENSE a millimeter wave scanner for letters

Dirk Nüßler, Sven Heinen, Thorsten Sprenger, Daniel Hübsch, Tobais Würschmidt

Proceedings Volume 8900, Millimetre Wave and Terahertz Sensors and Technology VI; 89000M (2013) https://doi.org/10.1117/12.2029172
Event: SPIE Security + Defence, 2013, Dresden, Germany

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.

Citation Download Citation

Dirk Nüßler, Sven Heinen, Thorsten Sprenger, Daniel Hübsch, and Tobais Würschmidt "T-SENSE a millimeter wave scanner for letters", Proc. SPIE 8900, Millimetre Wave and Terahertz Sensors and Technology VI, 89000M (18 October 2013); https://doi.org/10.1117/12.2029172

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