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Top image: Crystal Analyser Spectrometer - Credits: L'Oréal Foundation

FAME-UHD, the French Absorption spectroscopy beamline in Material and Environmental sciences at Ultra-High Dilution, is dedicated to high energy resolution fluorescence detected x-ray absorption spectroscopy (HERFD-XAS) for structural investigation of ultra-diluted samples. The key element of the beamline is thus a crystal analyser spectrometer, which enables XANES analyses at concentrations as low as 1ppm and EXAFS at 10ppm.

This low detection limit is obtained thanks to the combination of state-of-the-art cooled optics (designed firstly to maximize the photon flux on the sample and secondly to optimize the beamline stability and reduce the non-statistical noise) and multi-crystal analyser spectrometer.

This is of particular interest for environmental and biological systems: study of trace elements in soils, effect of pollutants at low concentrations...

Opened to users since January 2017, the beamline is designed to accept easily different sample environments: the beamline helium cryostat but also, HP-HT vessel, electrochemical cells, cells for gaseous reactions...


FAME-UHD is one of the French CRG beamlines at the ESRF: beamtime can be asked both through the ESRF and the Soleil program committees.

Deadlines for proposal submission:

February 15th 2020 for CRG beamtime  and March 1st 2020 for ESRF beamtime.


FAME is part of the SSHADE infrastructure which contains a set of specialized databases on solid spectroscopy from various research groups. You can find information on the database here or search spectra within FAME@SSHADE.