TY  - JOUR
T1  - Observation of Negative Refraction and Focusing in Two-Dimensional Photonic Crystals
A1  - Ozbay, E.
A1  - Bulu, I.
A1  - Guven, K.
A1  - Caglayan, H.
A1  - Aydin, K.
JA  - Japanese J of Applied Physics
Y1  - 2006
VL  - 45
SP  - 6064
EP  - 6070
ER  -