Traditionally, thin metal layers are considered opaque relative to transmitted visible light when their thicknesses exceed the typical skin depth (??) values, which for metals such as aluminum or silver, are only 10-15 nm. [0053] Referring to FIGS. 6a and 6 b, there is shown how rotation of optic 200, mounted to micro-motor 105, provides modulation for light that is directed to a single pixel 100.