收象 Nanjing University Basic Principle 02=c2g2+m2c4h2 o=cq Kouanba Kouanba.y 0=mc2h1=0p 0=0 wave vector wave vector Dispersion of light in free space and perfect metal Dielectrie Superlattice Laboratory Nat.Lab.Microstructures Dr.Tao Li taoli@nju.edu.cnNanjing University Dispersion of light in free space and perfect metal Dielectric Superlattice Laboratory Nat. Lab. Microstructures Dr. Tao Li taoli@nju.edu.cn