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MicroXAS - X05LA: Environmental & Materials Sciences


The microXAS beamline will focus on X-ray absorption spectroscopy (XAS) and X-ray fluorescence (XRF) experiments requiring high spatial resolution. Furthermore, the beamline will host the FEMTO project that will allow investigations of time-dependent phenomena in the femtosecond time regime.

The design of the micro XAS beamline is conceptualized to yield monochromatic X-ray beams (5-20 keV) with high energy resolution combined with dynamic microfocusing capabilities. In this chapter a description of the key optical layout is provided and a status report of the microXAS beamline project is presented.


Energy range 5 - 20 keV
Flux on sample 2 x 1012 ph/s/400 mA
Spot size on sample± 1 x 1 µm2
Polarization linear horizontal
circular left & right
Photon energy resolution 0.02%

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