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Molecular Crystals and Liquid Crystals Volume 516, 2010 - Issue 1: Proceedings of the Fourth Japanese-Italian Workshop on Liquid Crystals
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Original Articles

THz Wave Transmission Properties of LC Composite Membrane Films

Ryouta Ito Department of Electronics and Information Systems, Akita Prefectural University, Tsuchiya, Yurihonjo, Akita, Japan; Department of Electrical, Electronic and Information Engineering, Osaka University, Suita, Osaka, JapanCorrespondence[email protected]
,
Toshiaki Nose Department of Electronics and Information Systems, Akita Prefectural University, Tsuchiya, Yurihonjo, Akita, Japan
,
Masanori Ozaki Department of Electrical, Electronic and Information Engineering, Osaka University, Suita, Osaka, Japan
,
Kei Takeya Institute of Laser Engineering, Osaka University, Suita, Osaka, Japan
&
Masayoshi Tonouchi Institute of Laser Engineering, Osaka University, Suita, Osaka, Japan
Pages 144-151 | Published online: 22 Feb 2010
 
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Abstract

In this study we investigate anisotropic transmission properties of the membrane films impregnated with nematic LC materials in the THz frequency region. Typical experimental result shows that transmittance of membrane film without LC material is almost 100% in THz region. Phase change of the THz wave is observed but the transmittance does not decrease so much after impregnating LC material. Refractive index anisotropy increases after impregnating LC material which is related to the molecular orientation in the membrane film. These results show that the membrane film has a potential application to the LC device components in the THz region.

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