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29 July 2004 Smart millimeter-wave devices using liquid crystal
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Abstract
Smart liquid crystal (LC) millimeter-wave (MMW) electronic devices are demonstrated using the electrically- controllable permittivity through LC directors’ reorientation. In this paper, we review the LC classes and its important physical properties for the proposed applications. Some commercially available LCs exhibit a relatively large birefringence (Δn~0.2) in MMW bands and, therefore, are useful for millimeter wave devices. A nonradiative dielectric waveguide using LC is proposed and characterized using numerical simulations. The simulation results show that the LC waveguide is promising for future MMW technologies.
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Haiying Wang, Liping Zheng, Jie Chen, Thomas X. Wu, and Shin-Tson Wu "Smart millimeter-wave devices using liquid crystal", Proc. SPIE 5389, Smart Structures and Materials 2004: Smart Electronics, MEMS, BioMEMS, and Nanotechnology, (29 July 2004); https://doi.org/10.1117/12.555599
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