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Elastic metamaterials for tuning circular polarization of electromagnetic waves.

ABSTRACT: Electromagnetic resonators are integrated with advanced elastic material to develop a new type of tunable metamaterial. An electromagnetic-elastic metamaterial able to switch on and off its electromagnetic chiral response is experimentally demonstrated. Such tunability is attained by harnessing the unique buckling properties of auxetic elastic materials (buckliballs) with embedded electromagnetic resonators. In these structures, simple uniaxial compression results in a complex but controlled pattern of deformation, resulting in a shift of its electromagnetic resonance, and in the structure transforming to a chiral state. The concept can be extended to the tuning of three-dimensional materials constructed from the meta-molecules, since all the components twist and deform into the same chiral configuration when compressed.

SUBMITTER: Zarate Y

PROVIDER: S-EPMC4913306 | biostudies-literature | 2016 Jun

REPOSITORIES: biostudies-literature

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Elastic metamaterials for tuning circular polarization of electromagnetic waves.

Zárate Yair Y Babaee Sahab S Kang Sung H SH Neshev Dragomir N DN Shadrivov Ilya V IV Bertoldi Katia K Powell David A DA

Scientific reports 20160620

Electromagnetic resonators are integrated with advanced elastic material to develop a new type of tunable metamaterial. An electromagnetic-elastic metamaterial able to switch on and off its electromagnetic chiral response is experimentally demonstrated. Such tunability is attained by harnessing the unique buckling properties of auxetic elastic materials (buckliballs) with embedded electromagnetic resonators. In these structures, simple uniaxial compression results in a complex but controlled pat ...[more]

PMID: 27320212

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