The cover of claim 14, wherein the substrate is fused silica.ġ6. The cover of claim 5, wherein both the UV reflector and the IR reflector are formed on the second major surface of the substrate.ġ5. The cover of claim 11, wherein the substrate is ceria-doped glass.ġ4. The cover of claim 11, wherein the substrate is UV-absorbing.ġ3. The cover of claim 5, wherein both the UV reflector and the IR reflector are formed on the solar incident side of the substrate.ġ2. The cover of claim 8, wherein the substrate is ceria-doped glass.ġ1. The cover of claim 8, wherein the substrate is UV-absorbing.ġ0. The cover of claim 5, wherein the ultraviolet reflector is positioned on the solar incident side of the substrate.ĩ. The cover of claim 5, wherein the anti-reflection component comprises a third group of layers.Ĩ. ![]() The cover of claim 5, wherein the ultraviolet reflector is formed on the solar incident side with respect to the infrared reflector.ħ. A blue red reflector cover for a solar cell or panel having a given spectral response range to solar radiation incident on the cell or panel, the cover comprising:Ī substrate of material transparent over the spectral response range of the solar cell or panel and having a first major surface adapted to face the solar incident side of the solar cell or panel and a second major surface on the side thereof optically opposite the solar incident side Ī multilayer thin film composite comprising alternating layers of low and high index of refraction materials, the composite including an ultraviolet reflector comprising a first group of layers selected for reflecting ultraviolet radiation immediately adjacent and below the shorter wavelength end of the response range, an anti-reflection component comprising one or more layers selected for decreasing the reflection of incident radiation across the spectral response range, an infrared reflector comprising a second group of layers selected for reflecting infrared radiation immediately adjacent and above the longer wavelength end of the spectral response range, and means or suppressing low order reflection, whereby the reflection bands of the infrared reflector and the ultraviolet reflector are independent.Ħ. The cover of claim 2, wherein the substrate is ceria-doped glass.ĥ. The cover of claim 2, wherein the substrate is UV-absorbing.Ĥ. The cover of claim 1, wherein the composite is positioned on the solar incident side of the substrate.ģ. A red reflector cover for a solar cell or panel having a given spectral response range of solar radiation incident on the solar cell or panel, the cover comprising:Ī substrate of material transparent over the spectral response range of the solar cell or panel andĪ multilayer thin film composite formed on the substrate and comprising alternating layers of low and high index of refraction materials, the layers including an infrared reflector comprising (a) a first group of layers selected for reflecting incident infrared radiation immediately adjacent and above the longer wavelength end of the response range, (b) an anti-reflection component comprising one or more layers selected for decreasing the reflection of incident radiation across the spectral response range, and (c) means for suppressing low order reflection, whereby the reflection band of the infrared reflector is independent of the reflection band associated with any other group of layers.Ģ. Modern manufacturing and measurement technologies transform your specifications into a finished product.1. Among other things, our IR coatings meet demanding requirements in terms of adhesion, moisture and temperature resistance. In addition, asphericon offers a wide range of environmental tests for all common standards (DIN-, ISO-, MI-L, DO-). By these methods a very stable and uniform layer can be formed, which can withstand even extreme environmental conditions. In magnetron sputtering, the argon ions are focused to the target via field line trajectories, whereas ion beam sputtering uses its own targeted ion source. Based on the ion source, a distinction is made between magnetron sputtering and ion beam sputtering methods. This technology uses ions to extract atoms from a material, which are then deposited in a thin layer on the optics to form the coating. Space exploration and attitude determinationĪsphericon offers highly resistant infrared coatings for any application at wavelengths up to 5.1 μm based on the so-called sputtering process.Earth Observation with Satellite Cameras.
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