Figure 6.

3D view for the height effect on the reflectance with respect to different wavelength. (a) The pyramid-shaped Si3N4 SWS has lower reflectance and less sensitivity on structure height in comparison with (b) the cylinder-shaped Si3N4 SWS.

Li et al. Nanoscale Research Letters 2012 7:196   doi:10.1186/1556-276X-7-196
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