Transmission properties of chiral metamaterials are investigated through the loss factor. Besides the amplitudes of transmission coefficients of right and left circularly polarized waves, the phases are the other main keys to control the refractive index and chirality of the chiral media, directly affecting the loss factor (LF). The LF is low when the phase combination of circular waves is large. This can be controlled by arranging the structure orientation. A case study of a well-known chiral structure, a cross-wire, supports this theory.
Key words: Metamaterials, chirality, transmission, enhancing.
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