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Der Terahertz‐Frequenzbereich befindet sich zwischen den Mikrowellen und der Infrarotstrahlung. Damit überbrückt er die Lücke zwischen Elektronik und Optik. Aufgrund dieser exponierten Stellung im elektromagnetischen Spektrum existiert eine Fülle vielversprechender metrologischer Einsatzmöglichkeiten für zahlreiche industrielle Anwendungen. Neueste Fortschritte in der Systementwicklung deuten an,...
We demonstrated the potential of terahertz spectroscopy for contactless and nondestructive inline control of polymeric compounding processes. Using a fiber-coupled terahertz spectrometer, we investigated molten polymers and polymeric compounds. On one hand, we studied the influence of temperature and pressure on the terahertz properties of molten polypropylene. On the other hand, various polypropylene–CaCO...
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