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Revealing the invisible - identifying concealed substances by means of terahertz spectroscopy

Unsichtbares sichtbar machen - versteckte Substanzen mittels Terahertz-Spektroskopie identifizieren
: Jonuscheit, Joachim; Molter, Daniel; Ellrich, Frank; Beigang, René; Platte, Frank; Nalpantidis, Konstantinos

Fulltext urn:nbn:de:0011-n-2670077 (478 KByte PDF)
MD5 Fingerprint: 8f2ca2177046a9148def35409d9aff1d
Created on: 26.11.2013

Photonik international (2013), 15.11.2013, pp.12-15
ISSN: 1432-9778
ISSN: 1865-6633
Journal Article, Electronic Publication
Fraunhofer IPM ()
terahertz spectroscopy; chemometrics

Is that powder in the envelope dangerous? Is the right mixture flowing through the pipe? Is the semiconductor doped correctly? Terahertz spectroscopy can help answer these and other critical questions. This article first describes some of the special features of terahertz spectroscopy in relation to substances in their various physical states, and then discusses automated evaluation of the measurements by means of chemometrics.