Fig. 5From: Polarization-Dependent Quasi-Far-Field Superfocusing Strategy of Nanoring-Based Plasmonic LensesThe electric-field distribution properties in the cross section just 50 nm above the end surface of the lens. a Normalized intensity distribution of |E|2. b The Poynting-vector distribution within the dashed-line region in a. c The corresponding phase distribution of E z Back to article page