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J. Horbach for Desy FS-BT

mirror: silicon coatings: chrome, platinum. 16 mm offset to the right. 10 mm offset downwards. profile of mirror 1. profile of mirror 2. mirror: silicon coatings: molybdenum, palladium. 6,5 mm offset to the left. under construction at P06. in operation at P03. in operation at P10.

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J. Horbach for Desy FS-BT

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  1. mirror: silicon coatings: chrome, platinum 16 mm offset to the right 10 mm offset downwards profile of mirror 1 profile of mirror 2 mirror: silicon coatings: molybdenum, palladium 6,5 mm offset to the left under construction at P06 in operation at P03 in operation at P10 DESY FS-BT at PETRA III: Optics and Large Monochromator Systems. J. Horbach for Desy FS-BT Large Offset Monochromator in operation at P08 Large Offset Monochromator in operation at P03 micromover for alignment of upper linear drive vacuum feedthroughs • Selection of a small energy band • out of the High Heat Load monochromator beam • - Vertical shift of the beam by 1.25 m • Stabilization of the beam position at the • experiment • - Energy range • Si 311: 5.4 – 18.8 keV • Si 511: 8.4 – 29.4 keV • Precision of the beam position at the • experiment (distance approx. 20 m): 10 µm in • lateral and vertical direction • → Angular accuracy of 0.5 µrad needed • Displacement of the white beam by • 0.49 m downwards • Energy range 8 - 25keV • Beam position stability of 1µm • required at the experimental • station • Liquid nitrogen cooling system for • both crystals (Si 111) and • multilayers ion getter pump micromover for alignment of lower linear drive Monochromator at P06manufacturing in progress at DESY-Zeuthen High Heat Load Monochromators in operation at several beamlines • 50 µrad resolution of bragg axis • 18 nrad resolution of bragg piezo • offset 21 mm upwards • Displacement of the white beam by • 21 mm downwards • Energy range 6 – 90 keV - Liquid nitrogen cooling system for both multilayers Movable multilayer setup LN2 flexible tubes Multilayer setup with fixed position 3.9 m Diamond / Si Laue monochromator in operation at P02 Focussing mirrors in operation at P09 mirror 2 is bendable (concave, radius: 5 – 50 km) side station with fixed energy at 60 keV 10 mm offset upwards radius 88 mm radius 58 mm Si Pd Pd Diamond mirror: silicon oxide (fused silica) coatings: palladium Mirrors for higher-order suppression mirror: silicon oxide (fused silica) coatings: platinum, rhodium • resolutions: • translations: 100 nm • rotary table: 40 nrad • pitch angle: 15,3 nrad

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