Nanjing University Concepts Metamaterial METAMATERIAL SOLID,CYSTAL atom artificial atom Notice: >This artificial material (atom)is not exist naturally! “meta'”i迟“beyond'" >The property is with respect to the EM wave, so a key point is the unit cell is sub-wavelength. Light cannot“see”the structure Dielectrie Superlattice Laboratory Nat.Lab.Microstructures Dr.Tao Li taoli@nju.edu.cnNanjing University METAMATERIAL SOLID, CYSTAL atom artificial atom Notice: ¾This artificial material (atom) is not exist naturally! “meta” is “beyond” ¾Th t i ith t t th EM The property is with respect to the EM wave, so a key point is the unit cell is sub-wavelength. Light cannot “see” the structure Dielectric Superlattice Laboratory Nat. Lab. Microstructures Dr. Tao Li taoli@nju.edu.cn Light cannot see the structure