We present experiments and numerical calculations for chiral metamaterials composed of double-layer gammadions. The excitation of anti-symmetric magnetic modes leads to pronounced circular dichroism. In contrast, polarization effects are negligible in corresponding single layer gammadions.
© 2007 OSA
M. Decker, M. Klein, M. Wegener, and S. Linden, "Circular Dichroism in Double-Layer Chiral Metamaterials," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest (CD) (Optical Society of America, 2007), paper QWH3.
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