Novel nonlinear chiral metamaterials

Publisher:
IEEE
Publication Type:
Conference Proceeding
Citation:
2013 IEEE Antennas and Propagation Society International Symposium Proceedings, 2013, pp. 488 - 489
Issue Date:
2013-12-01
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We report on a novel metamaterial design based on multi-turn spiral resonators which strongly enhance nonlinear coupling between electromagnetic and mechanical response. The robust fabrication procedures allowed to produce a large number of resonators, suitable for assembling large metamaterials arrays. We experimentally demonstrate a remarkable self-tuning of the electromagnetic resonance, achieved via power-dependent mechanical reconfiguration, dominating over thermal effects. The corresponding compression of the spirals provides a nonlinear chiral response. © 2013 IEEE.
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