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13 March 2023 Band switchable THz metamaterial based on an etched vanadium dioxide thin film
Han-Cheol Ryu, Jun-Hwan Shin, Kyung Hyun Park
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Proceedings Volume PC12420, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XVI; PC1242008 (2023) https://doi.org/10.1117/12.2657072
Event: SPIE OPTO, 2023, San Francisco, California, United States
Abstract
A band switchable and tunable terahertz (THz) metamaterial based on a vanadium dioxide (VO2) thin film was proposed in the THz frequency regime. To obtain band switching characteristics and reduce THz wave loss, the VO2 thin film was etched in the form of a line. Two rectangular C-shaped resonators were configured to face each other with an etched VO2 thin film line in between. The measurement results of the proposed structure clearly showed that the rectangular C-shaped metamaterial based on the etched VO2 thin film is capable of band switching and continuous transmission control.
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Han-Cheol Ryu, Jun-Hwan Shin, and Kyung Hyun Park "Band switchable THz metamaterial based on an etched vanadium dioxide thin film", Proc. SPIE PC12420, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XVI, PC1242008 (13 March 2023); https://doi.org/10.1117/12.2657072
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KEYWORDS
Terahertz radiation
Metamaterials
Thin films
Vanadium
Switching
Resonators
Thin film devices
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