Smart millimeter-wave devices using liquid crystal

Haiying Wang; Liping Zheng; Jie Chen; Thomas X. Wu; Shin-Tson Wu

doi:10.1117/12.555599

29 July 2004 Smart millimeter-wave devices using liquid crystal

Haiying Wang, Liping Zheng, Jie Chen, Thomas X. Wu, Shin-Tson Wu

Proceedings Volume 5389, Smart Structures and Materials 2004: Smart Electronics, MEMS, BioMEMS, and Nanotechnology; (2004) https://doi.org/10.1117/12.555599
Event: Smart Structures and Materials, 2004, San Diego, CA, United States

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.

Citation Download Citation

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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