Mail Inspection Based on Terahertz Time-Domain Spectroscopy

Mail Inspection Based on Terahertz Time-Domain Spectroscopy

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 includ...

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Bibliographic Details
Main Authors: Daniel Molter, Daniel Hübsch, Thorsten Sprenger, Korbinian Hens, Konstantinos Nalpantidis, Frank Platte, Garik Torosyan, René Beigang, Joachim Jonuscheit, Georg von Freymann, Frank Ellrich
Format: Article
Language:English
Published: MDPI AG 2021-01-01
Series:Applied Sciences
Subjects:
terahertz time-domain spectroscopy
mail inspection
spectroscopy
public security
pattern recognition
explosives
Online Access:https://www.mdpi.com/2076-3417/11/3/950
Description
Summary: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.
ISSN:2076-3417

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