Optical component comprising radiation protective layer

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An optical component for transmitting radiation includes a radiation protective layer, which includes at least one oxide material selected from germanium dioxide (GeO2), antimony pentoxide (Sb2O5), aluminum oxide (Al2O3), niobium(V) oxide (Nb2O5), tin oxide (SnO2), metal oxides of rare earths, in particular lanthanum oxide (La2O3) or cerium oxide (CeO2), yttrium oxide (Y2O3), yttrium aluminum oxides, zinc oxide (ZnO), indium oxide (In2O3), bismuth trioxide (Bi2O3), barium titanate (BaTiO3) and spinels, such as magnesium aluminate (MgAl2O4). The radiation protective layer can be varnish-like, and the oxide material can be contained in a binder of the varnish-like radiation protective layer.