| http://www.w3.org/ns/prov#value | - FIG. 11 is a graph comparing the typical zero-order transmission spectrum of a single aperture in a metal film provided with a periodic surface topography comprising dimple-shaped surface features having a period of P=0.5 ??m (such as the enhanced light transmission apparatus embodiment illustrated in FIG. 3), with that of a single aperture in a smooth metal film which does not have a periodic sur
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