TY - JOUR T1 - Three-dimensional study of planar optical antennas made of split-ring architecture outperforming dipole antennas for increased field localization A1 - V.T. Kilic, V.B. Erturk, H. V. Demir JA - Optics Letters Y1 - 2012 VL - 37 SP - 139 N1 - } doi number = { ER -