Flexible chiral metamaterials with dynamically optical activity and high negative refractive index

Date

2015-07-10

Author

Dincer, Furkan
KARAASLAN, MUHARREM
ÜNAL, EMİN
Akgol, Oguzhan
Sabah, Cumali

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We demonstrate numerically and experimentally chiral metamaterials (MTMs) based on gammadion-bilayer cross-wires that uniaxially create giant optical activity and tunable circular dichroism as a result of the dynamic design. In addition, the suggested structure gives high negative refractive index due to the large chirality in order to obtain an efficient polarization converter. We also present a numerical analysis in order to show the additional features of the proposed chiral MTM in detail. Therefore, a MTM sensor application of the proposed chiral MTM is introduced and discussed. The presented chiral designs offer a much simpler geometry and more efficient outlines. The experimental results are in a good agreement with the numerical simulation. It can be seen from the results that, the suggested chiral MTM can be used as a polarization converter, sensor, etc. for several frequency regimes.

Subject Keywords

Chiral netamaterial, Sensor, Chirality, Optical activity

URI

https://hdl.handle.net/11511/68108

Journal

MODERN PHYSICS LETTERS B

DOI

https://doi.org/10.1142/s0217984915500876

Collections

Engineering, Article

Citation Formats

F. Dincer, M. KARAASLAN, E. ÜNAL, O. Akgol, and C. Sabah, “Flexible chiral metamaterials with dynamically optical activity and high negative refractive index,” MODERN PHYSICS LETTERS B, vol. 29, no. 18, pp. 0–0, 2015, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/68108.