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arXiv · 2506.04428

Tunable Epsilon Near Zero Metamaterial with Rotating Obround-Shaped Meta-Atoms

Rustam Balafendiev·Gagandeep Kaur·Jim A. Enriquez·Gaganpreet Singh·Alexander J. Millar·Jon E. Gudmundsson·Pavel Belov
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Abstract

A new design of a microwave-range ENZ metamaterial consisting of rods with an obround cross-section is proposed. The plasma frequency of the metamaterial can be tuned by rotating the constituent meta-atoms. Tunability of the plasma frequency by 26% is demonstrated both experimentally and numerically. The observed tuning range is dramatically higher than in the one observed in natural materials at optical range.

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Rustam Balafendiev, Gagandeep Kaur, Jim A. Enriquez, Gaganpreet Singh, Alexander J. Millar, Jon E. Gudmundsson, Pavel Belov. 2025-06-04. Tunable Epsilon Near Zero Metamaterial with Rotating Obround-Shaped Meta-Atoms. https://arxiv.org/abs/2506.04428

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