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. 2015 Jul 9;5:11977. doi: 10.1038/srep11977

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Copyright © 2015, Macmillan Publishers Limited

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FDTD simulated absorption spectra of the simplified diatom frustule model with the 50 nm thick active layer, case 1 (a) and case 2 (e). And normalized electric-field-intensity |E/E₀|² distribution on the Y-Z plane at λ_b (b), λ_c (c), and λ_d (d) for case 1, λ_f (f), λ_g (g), and λ_h (h) for case 2. Stacking sequence of case 1 (From top to bottom: air, cribellum, cribrum, internal plate, active layer and substrate), stacking sequence of case 2 (From top to bottom: air, internal plate, cribrum, cribellum, active layer and substrate).