期刊
APPLIED PHYSICS LETTERS
卷 94, 期 13, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3109780
关键词
electromagnetic wave polarisation; electromagnetic wave reflection; electromagnetic wave transmission; metamaterials; microwave materials
资金
- Engineering and Physical Sciences Research Council (U.K.)
- Engineering and Physical Sciences Research Council [EP/G00515X/1, EP/C511786/1] Funding Source: researchfish
- EPSRC [EP/G00515X/1] Funding Source: UKRI
We report that normal incidence reflection and transmission of circularly polarized electromagnetic waves from and through planar split-ring microwave metamaterials with chiral symmetry breaking depends on the incidence direction and handedness of circular polarization. The effect has a resonant nature and is linked to the lack of mirror symmetry in the metamaterial pattern leading to a polarization-sensitive excitation of electric and magnetic dipolar responses in the meta-molecules. It has striking phenomenological resemblance with the reflective circular dichroism of high-temperature anyon superconductors.
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