Figure 4.

Contour plot of the reflectivity spectra as a function of the angle and wavelength. (a, d) Sinusoidal, (b, e) Gaussian, and (c, f) Bragg refractive index profiles. The color scale indicates the reflectivity percentage from 0% (blue) to 100% (red).

Ariza-Flores et al. Nanoscale Research Letters 2012 7:391   doi:10.1186/1556-276X-7-391
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