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A multipurpose beamline for tests and developments in the field of x-ray optics and synchrotron radiation instrumentation in general is under construction at the Swiss Light Source (SLS) bending magnet X05DA. The beamline uses a newly developed UHV compatible, 100 µm thick, brazed CVD diamond vacuum window. The very compact cryogenicly cooled channel cut Si(111) monochromator and bendable 1:1 toroidal focusing mirror at 7.75 m from the source point are installed inside the shielding tunnel. The beamline covers a photon energy range of about 6 to 17 keV. We expect 5 · 10 11 photons/s within a 100 µm spot and a resolving power of 1300. The monochromator and focusing mirror can be retracted independently for unfocused monochromatic and focused "white" light operation respectively.

ht the powder was heat-treated at the indicated temperature before granulation and compaction; * * g granulated; CIP cold isostatic pressing at the indicated pressure

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