Figure 3From: Near-field surface plasmon effects on Au-double-slit diffraction for polychromatic lightSpectral intensity distributions for I Au ( x, z, ω ) (solid line), M Au ( x, z, ω ) (dashed line), and I ′( ω ) (dotted line) for z and x . z =50 um and x = (a) 13.3, (b) 13.5, and (c) 13.7 um, respectively.Back to article page