Patent ID: 7851985

Claim:
An article comprising: a substrate; and a high temperature coating coated on the substrate, wherein the high temperature coating comprises a first region and a second region interspersed with respect to each other such that the coating is operable to reflect photons having a wavelength greater than about 700 nm and to emit or transmit photons having a wavelength between about 400 nm and about 700 nm arranged in a structure such that the first and second regions maintain a periodicity of distribution between about 100 nm and about 1000 nm, wherein the first region comprises a first material selected from the group consisting of HfC, NbC, W 2 C, ZrC, HfN, Nb 2 N, Ta 2 N, ZrN, HfB 2 , TaB 2 , ZrB 2 , W 2 B, HfO 2 and combinations thereof and the second region comprises a transition metal in elemental form.