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Proceedings Paper

THz time-domain spectroscopy on 4-(trans-4'-pentylcyclohexyl)-benzonitril
Author(s): Dmitry Turchinovich; Pascal Knobloch; Georg Luessem; Martin Koch
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Paper Abstract

We present a first investigation of liquid crystals in the frequency range around 1 THz using THz time-domain spectroscopy. As a model system we use 4-(trans-4'- pentylcyclohexyl)-benzonitril (PCH-5). The THz refractive indices for the nematic state are comparable to that for visible frequencies. Yet, the THz birefringence of PCH-5 is smaller than its optical birefringence. Furthermore we find that PCH-5 has a rather small absorption.

Paper Details

Date Published: 11 December 2001
PDF: 6 pages
Proc. SPIE 4463, Liquid Crystals V, (11 December 2001); doi: 10.1117/12.449955
Show Author Affiliations
Dmitry Turchinovich, Technische Univ. Braunschweig (Germany)
Pascal Knobloch, Technische Univ. Braunschweig (Germany)
Georg Luessem, Merck KGaA Darmstadt (Germany)
Martin Koch, Technische Univ. Braunschweig (Germany)


Published in SPIE Proceedings Vol. 4463:
Liquid Crystals V
Iam-Choon Khoo, Editor(s)

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