Nanjing University 12 穿孔金属膜的异常光学透射现象 (T.W.Ebbesen 1998) Silver,a=0.6um 5 目 quartz air 20 10 1.5 (1.0)quart 1.0 0 0.00250 0.00000 0.00250 0.00500 0.00750 200 400 600 80010001200 Kx (1/m) Wavelength (nm) Ebbesen et al, Nature,PRB,(1998) 元±iG±jG, 角度色散 1/2 (i2+j2)12λ=ao 8182 Dielectric aboratory E1+E2 Nat.Lab.Microstructures Dr.Tao Li taoli@nju.edu.cnDielectric Superlattice Laboratory Nat. Lab. Microstructures Dr. Tao Li taoli@nju.edu.cn Nanjing University (T. W. Ebbesen 1998) Ebbesen et al, Nature, PRB, (1998) 角度色散