Nanocrosses with Highly Tunable Double Resonances for Near-Infrared Surface-Enhanced Raman Scattering
Figure 2
(a) Extinction spectrum, (b) electric field intensity spectrum at the point A (see Figure 1), (c) the on-resonance electric field distribution (), and (d) surface charge distribution for a symmetric Au nanocross (120, 120) normally illuminated by a polarized plane wave.