Active Tunable Terahertz Metamaterials Metamaterials give terahertz technology a broader application prospect. Active control ability of terahertz metamaterials is highly valuable and captivating. In article number 2300351, Kai Chen, Degang Xu, and co-workers categorize four basic types of tunable terahertz metamaterials based on external stimuli. Mechanical modulation offers simple yet efficient modulation, while electrical and magnetic modulation provide convenient adjustment. Moreover, optical modulation focuses on incorporating various materials to high-speed control.
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Li et al. (2024) studied this question.
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