Example 23

The optical structure of any of Examples 1-22, wherein the first or the third transparent dielectric layer comprises at least one of zinc oxide (ZnO), zinc sulfide (ZnS), zirconium dioxide (ZrO2), titanium dioxide (TiO2), tantalum pentoxide (Ta2O5), ceric oxide (CeO2), ytterium oxide (Y2O3), indium oxide (In2O3), tin oxide (SnO2), indium tin oxide (ITO), tungsten trioxide (WO3), or combinations thereof.

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