TY - JOUR T1 - Spectral negative refraction and focusing analysis of a two-dimensional left-handed photonic crystal lens A1 - Guven, K. A1 - Aydin, K. A1 - Alici, K.B. A1 - Soukoulis, C.M. A1 - Ozbay, E. JA - Physical Review B Y1 - 2004 VL - 70 SP - 205125-1 EP - 5 ER -