| http://www.w3.org/ns/prov#value | - Examples of fields of application are in optical components, such as microlenses and microlens arrays, fresnel lenses, microfresnel lenses and arrays, light guide systems, optical waveguides and waveguide components, optical gratings, diffraction gratings, holograms, data storage media, digital, optically readable memories, antireflective (motheye) structures, light traps for photovoltaic applicat
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