Befort Mirrors are equipped with either metallic layers (gold, silver or aluminum) and a protective layer or with a dielectric HR layer. Mirrors are available in various geometries, forms and substrates. Befort also replaces mirror layers of telescope mirrors. Please contact us for details
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Befort Wetzlar is mentioned and recommended in the relevant Internet forums as a coater of telescope mirrors. We serve customers in astronomy, natural sciences and technology, supporting users with our technical knowhow. After all, you can't enjoy the best possible view of the universe without maximum reflectivity and robust mirrors.
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The deflection and separation of light beams in different intensities, directions or wavelength ranges can also be controlled by thinfilm vaporization. Either a metallic or a dielectric coating is chosen, depending on requirements and application. The abovementioned advantages of dielectric reflection coatings play a decisive role here, too.
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Unlike metallic splitter coatings, dielectric splitter coatings enable absorptionfree light conditions. Dielectric splitter coatings are used in various filters and particularly in laser technology and reference metrology.
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Compared with conventional metallic reflection coatings, the advantages of dielectric reflection coatings are their climate resistance, mechanical stability and high reflection combined with relatively low absorption. These properties are crucially important for many optical applications involving extreme thermal and mechanical stress.
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