The confocal plane grating spectrometer at BESSY II

► At the electron storage ring BESSY II a confocal plane grating RIXS endstation with a spot size of 4 μm × 1 μm is presently being installed. ► A resolving power above 10,000 is expected for low energy excitations below 500 eV. ► The sample will be excited with a photon flux up to 1015 photons/(s 300 mA 0.1%bandwidth). ► Sample environments for solid, gaseous and liquid samples will be provided. ► A fast detecting system is being set up for future pump-probe experiments.