Fig. 4From: Plasmonic Chiral Metasurface Absorber Based on Bilayer Fourfold Twisted Semicircle Nanostructure at Optical FrequencyThe retrieved relative chiral parameters of the proposed CMSA: a real parts of average refractive index Re(n) and chiral parameter Re(κ), b refractive index Re(n−), Re(n+) for LCP and RCP lightsBack to article page