Electrically Controlled Liquid Crystal Phase Grating for Terahertz Waves |
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Abstract: | This work demonstrates the feasibility of electrically controlled liquid-crystal-based phase grating for manipulating the terahertz (THz) waves. This device can be utilized as a THz beam splitter and the beam splitting ratio of the zeroth- to the first-order diffractions can be tuned from 10?:?1 to 1?:?1. |
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