Mail Inspection Based On Terahertz Time-Domain Spectroscopy

Daniel Molter, Daniel Hübsch,Thorsten Sprenger,Korbinian Hens,Konstantinos Nalpantidis,Frank Platte,Garik Torosyan,René Beigang,Joachim Jonuscheit,Georg von Freymann,Frank Ellrich

APPLIED SCIENCES-BASEL（2021）

引用 6|浏览4

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摘要

One of the most prominent applications of terahertz time-domain spectroscopy is the spectral investigation of materials covered by visibly opaque objects. Therefore, terahertz waves are well suited to inspect the content of mail. We report on our work on mail inspection in this spectral range including machine design, optical layouts, data analysis, and implementations.

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关键词

terahertz time-domain spectroscopy, mail inspection, spectroscopy, public security, pattern recognition, explosives, drugs

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