Rigorous Coupled-Wave Analysis of Surface Plasmon Enhancement from Patterned Immobilization on Nanogratings

Figure 5

Field distribution (𝐸_𝑧) for 820 nm at (top) 56.2^∘ incident angle (first resonance dip) and (bottom) 69.8^∘ (second resonance dip)—See Figure 2.

(a)

(b)