In contrast to conventional monochromator crystals, GöbelMirrors are synthetic crystals whose properties are definedby complex multi-layers which are deposited on silicon orglass substrates under ultra-high vacuum conditions. Toshape the mirror, one of two methods is used. The mostcommon is to carefully bend a silicon substrate, eitherbefore or after the multilayer structure is deposited, dependingupon the application. For highly-demanding thin filmrequirements, the mirror can be fabricated using a preshapedquartz substrate, a Bruker AXS & Incoatec proprietarytechnology.
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