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Uniaxial‐isotropic Metamaterials by Three‐Dimensional Split‐Ring Resonators
Author(s) -
Chen CheChin,
Ishikawa Atsushi,
Tang YuHsiang,
Shiao MingHua,
Tsai Din Ping,
Tanaka Takuo
Publication year - 2015
Publication title -
advanced optical materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.89
H-Index - 91
ISSN - 2195-1071
DOI - 10.1002/adom.201400316
Subject(s) - metamaterial , isotropy , anisotropy , materials science , polarization (electrochemistry) , split ring resonator , resonator , ring (chemistry) , condensed matter physics , optics , computer science , optoelectronics , physics , chemistry , organic chemistry
A uniaxial‐isotropic IR metamaterial consisting of fourfold‐symmetric 3D split‐ring resonators (SRRs) formed by a metal stress‐driven self‐folding method is fabricated and characterized. Unambiguous isotropic characteristics are demonstrated for any lateral rotation, polarization, and incident angle up to 40°. The corresponding numerical simulations reveal that the interplay of electric and magnetic interactions of the 3D SRR plays a crucial role in the bi‐anisotropic responses.