27 March 2013 Tunable THz wave transmission using liquid metal based devices
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Abstract
In this paper, we report novel designs of tunable THz plasmonic devices. The designed devices will be able to dynamically control and change the spectrum responses of extraordinary THz wave transmissions. The tuning of the devices is accomplished by electrowetting-controlled liquid metals morphing. Different THz device configurations are investigated and numerical simulations have been conducted to theoretically predict the feasibility of proposed structures. Since all of these devices will be constructed by liquid metals, their geometrical shapes can be actively modulated by electrowetting. In this way, THz devices with tunable wave transmission property can be realized. These new THz devices are expected to be applied in various areas of sensing, communication, and imaging.
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Rongguo Zhou, Jiangtao Cheng, Yuankun Lin, Hualiang Zhang, "Tunable THz wave transmission using liquid metal based devices", Proc. SPIE 8624, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications VI, 86241C (27 March 2013); doi: 10.1117/12.2000485; https://doi.org/10.1117/12.2000485
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