Figure 3.

Attenuated total reflection of the structure in Figure2a. Λ = 11 μm, L = 10 μm, so the duty ratio is 10/11. Each of the absorption peaks (on blue solid line) corresponds to a GSP mode.

Yuan et al. Nanoscale Research Letters 2014 9:90   doi:10.1186/1556-276X-9-90
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