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International audienceFAME is the French Absorption spectroscopy beamline in Material and Environmental sciences at the ESRF (France), operational since September 2002. Technically speaking, the source is a 0.85T bending magnet and the main optical element is a two-crystals monochromator using either Si(111) or Si(220) monocrystals so that the available energy ranges from 4 to 40 keV. The first crystal is liquid nitrogen cooled in order to avoid the thermal bump and thus preserve the energy resolution. The second crystal is dynamically bent during the energy scan in order to focalize the beam in the horizontal plane. Two bendable mirrors are located before and after the monochromator, for a beam-collimation (to optimize the energy resolution) and a vertical focalization, respectively. During scans, the beam on the sample is kept constant in position and size (around 150×200 μm 2 , V×H). The high flux on the sample combined with the sensitivity of our 30-elements fluorescence detector allow to decrease the detection limit down to 10 ppm or around less than a monolayer. Moreover, quick-EXAFS acquisition is operational: the acquisition time may be reduced down to 30s

FAME A New Beamline for XRay Absorption Investigations of VeryDiluted Systems of Environmental, Material and Biological Interests