Abstract: In an embodiment a reflection-reducing layer system is arranged on a substrate, wherein a surface of the reflection-reducing layer system facing away from the substrate is electrically conductive, and wherein a nanostructure comprising a plurality of pillars arranged side by side is arranged between the substrate and the surface.

Abstract: In an embodiment a layer system includes a substrate with an anti-fog material on at least one surface, a water-permeable intermediate layer arranged on the surface and a water-permeable nanostructure including a plurality of pillars arranged side by side, the water-permeable nanostructure arranged on the water-permeable intermediate layer.

Abstract: In an embodiment a layer system includes an effective refractive index profile extending between a substrate-side surface and an interface with an ambient medium, wherein an effective refractive index of the layer system decreases on average from the substrate-side surface in a direction of the interface with the ambient medium, wherein the effective refractive index profile has at least two local minima, and wherein a local minimum closest to the interface with the ambient medium is spaced from the interface.

Abstract: A method for producing a reflection-reducing layer system is disclosed. In an embodiment, a method includes depositing an organic layer on the substrate, generating a nanostructure in the organic layer by a plasma etching process, applying a cover layer to the nanostructure, wherein the organic layer, the nanostructure and the cover layer together form a reflection-reducing structure, wherein the cover layer comprises an inorganic material or an organosilicon compound, and wherein the cover layer is at least 5 nm thick and performing a post-treatment after applying the cover layer, wherein a material of the organic layer is at least partially removed, decomposed or chemically converted, and wherein an effective refractive index neff,2 of the reflection-reducing structure after the post-treatment is smaller than an effective refractive index neff,1 of the reflection-reducing structure before the post-treatment.

Abstract: An optical element is disclosed. In an embodiment an optical element includes a substrate having a silicone surface, an antireflection layer overlying the silicone surface, wherein the antireflection layer comprises a first organic layer having a reflection-reducing nanostructure, the nanostructure having a depth of at least 30 nm, and a cover layer overlying the first organic layer, the cover layer having a thickness of no more than 40 nm.

Abstract: A method for producing a reflection-reducing layer system is disclosed. In an embodiment, a method includes depositing an organic layer on the substrate, generating a nanostructure in the organic layer by a plasma etching process, applying a cover layer to the nanostructure, wherein the organic layer, the nanostructure and the cover layer together form a reflection-reducing structure, wherein the cover layer comprises an inorganic material or an organosilicon compound, and wherein the cover layer is at least 5 nm thick and performing a post-treatment after applying the cover layer, wherein a material of the organic layer is at least partially removed, decomposed or chemically converted, and wherein an effective refractive index neff,2 of the reflection-reducing structure after the post-treatment is smaller than an effective refractive index neff,1 of the reflection-reducing structure before the post-treatment.

Abstract: A reflection-reducing layer system is disclosed. In an embodiment, the system includes a refractive index gradient layer including an inorganic material and an organic material in a spatially varying composition, wherein the refractive index gradient layer has a refractive index which decreases in a growth direction and an organic layer arranged above the refractive index gradient layer, the organic layer having a surface including a nanostructure.

Abstract: An optical element is disclosed. In an embodiment an optical element includes a substrate having a silicone surface, an antireflection layer overlying the silicone surface, wherein the antireflection layer comprises a first organic layer having a reflection-reducing nanostructure, the nanostructure having a depth of at least 30 nm, and a cover layer overlying the first organic layer, the cover layer having a thickness of no more than 40 nm.

Abstract: A method for producing an antireflection layer on a silicone surface is described. The method includes application of an organic layer, production of a nanostructure in the organic layer by a plasma etching process, and application of at least one cover layer onto the nanostructure. An optical element can be produced by the method.

Abstract: A reflection-reducing layer system is disclosed. In an embodiment, the system includes a refractive index gradient layer including an inorganic material and an organic material in a spatially varying composition, wherein the refractive index gradient layer has a refractive index which decreases in a growth direction and an organic layer arranged above the refractive index gradient layer, the organic layer having a surface including a nanostructure.

Abstract: A method for producing a reflection-reducing layer system on a substrate and a reflection-reducing layer system are disclosed. According to an embodiment the method includes depositing a refractive index gradient layer on the substrate by co-evaporation of an inorganic material and an organic material, wherein the refractive index gradient layer has a refractive index which decreases in a growth direction, depositing an organic layer above the refractive index gradient layer, and producing a nanostructure in the organic layer by a plasma etching process.

Abstract: A method for producing a reflection-reducing layer system on a substrate and a reflection-reducing layer system are disclosed. According to an embodiment the method includes depositing a refractive index gradient layer on the substrate by co-evaporation of an inorganic material and an organic material, wherein the refractive index gradient layer has a refractive index which decreases in a growth direction, depositing an organic layer above the refractive index gradient layer, and producing a nanostructure in the organic layer by a plasma etching process.

Abstract: A method for producing an antireflection layer on a silicone surface is described. The method includes application of an organic layer, production of a nanostructure in the organic layer by a plasma etching process, and application of at least one cover layer onto the nanostructure. An optical element can be produced by the method.

Abstract: A method for producing an antireflection coating on a substrate is specified. A first nanostructure in a first material is formed using by means of a first plasma etching process. The first material is the material of the substrate or the material of a layer made of a first organic material applied onto the substrate. A layer made of a second material is applied onto the first nanostructure, the second material is an organic material. A second nanostructure is formed in the layer made of the second material using a second plasma etching process. The second material has a higher etching rate than the first material when carrying out the second plasma etching process.

Abstract: A method for producing an antireflection coating on a substrate is specified. A first nanostructure in a first material is formed using by means of a first plasma etching process. The first material is the material of the substrate or the material of a layer made of a first organic material applied onto the substrate. A layer made of a second material is applied onto the first nanostructure, the second material is an organic material. A second nanostructure is formed in the layer made of the second material using a second plasma etching process. The second material has a higher etching rate than the first material when carrying out the second plasma etching process.