Pyrolytic carbon/liquid crystal structure based platform for tunable THZ components

H. L. Margaryan,D. L. Hovhannisyan,N. H. Hakobyan,V. K. Abrahamyan,P. K. Gasparyan, P. Y. Misiyuk,A. G. Paddubskaya, N. I. Valynets,K. G. Batrakov

International Conference on Microwave & THz Technologies, Wireless Communications and OptoElectronics (IRPhE 2022)（2022）

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Abstract

In this work, we systematically analysed the THz properties of pyrolytic carbon (PyC)/liquid crystal (LC) cell in THz frequency range of 0.2 THz to 1.2 THz, which is provided by means of THz time domain spectroscopy. PyC film realizes the electrode function in this cell. Due to possibility of controlling the thickness of PyC films during synthesis, THz absorption by electrode, depending on it thickness can be decreased.

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Key words

electrode function,liquid crystal structure,pyrolytic carbon film,terahertz frequency,terahertz absorption,time domain spectroscopy,transparency,tunable photonics

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