THz time-domain spectroscopy on 4-(trans-4'-pentylcyclohexyl)-benzonitril

Dmitry Turchinovich; Pascal Knobloch; Georg Luessem; Martin Koch

doi:10.1117/12.449955

11 December 2001 THz time-domain spectroscopy on 4-(trans-4'-pentylcyclohexyl)-benzonitril

Dmitry Turchinovich, Pascal Knobloch, Georg Luessem, Martin Koch

Proceedings Volume 4463, Liquid Crystals V; (2001) https://doi.org/10.1117/12.449955
Event: International Symposium on Optical Science and Technology, 2001, San Diego, CA, United States

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.

Citation Download Citation

Dmitry Turchinovich, Pascal Knobloch, Georg Luessem, and Martin Koch "THz time-domain spectroscopy on 4-(trans-4'-pentylcyclohexyl)-benzonitril", Proc. SPIE 4463, Liquid Crystals V, (11 December 2001); https://doi.org/10.1117/12.449955

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