Infrared antenna array based on nano-holes in ultrathin metallic films D. Li, Z. J. Zhang, F. Gao, Z. Wang, R. H. Fan, L. Y. Sun, R. L. Zhang and R. W. Peng Eur. Phys. J. Appl. Phys., 51 3 (2010) 30602 Published online: 02 August 2010 DOI: 10.1051/epjap/2010114