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Commissioning    
Beamline Progress    

Commissioning

July 2011: First absorption spectrum

The first absorption spectrum has been measured at the Pt L3-edge on a Pt foil using an ionization chamber located after the premonochromator (DCM). These first results prefigure of the beamline quality in terms of flux and resolution.


April 2011: First monochromatic beam

The first monochromatic beam on the GALAXIES beamline has been obtained in April 2011. The movie below shows the x-ray beam coming from the undulator and observed in false colors thanks to the x-ray imager located after the monochromator. Each picture corresponds to a different undulator gap while the patterns characterize the harmonics produced by the undulator. The measures have been realized at 9 keV by moving the undulator gap from 5.5 to 6 mm.
Images du faisceau monochromatique sur GALAXIES
Beamline Progress
July 2010: First light on the GALAXIES beamline

The GALAXIES beamline has seen its first light this week during the radioprotection tests of the optical hutch. The white beam coming from the undulator creates a thin ray of light by ionizing the air molecules and impinges on the downstream imager. The tests have been realized for the first time at SOLEIL with a current in the ring of 500 mA. The tests achievement also gives the start signal for the installation of the scientific instrumentation on the beamline.

First ligth on the GALAXIES beamline
White beam in GALAXIES optical hutch

January 2010: Spectrometer RIXS

We have received in January 2010 a new instrument dedicated to  inelastic x-ray scattering experiments (RIXS). The spectrometer has a original design based on 6-axis diffractometer from Newport. It is equiped with a 2m long arm to explore the scattering in a wide angular range in both horizontal et vertical planes, and a multi-analyzer setup which will be mounted on the short arm.

The instrument is to be mounted soon on the beamline; 

IXS spectrometer on GALAXIES (c) Newport

 

November 2009 : Start of construction

The construction of the GALAXIES beamline has got off the ground since October 2009. The first optics hutch is already constructed; the experimental hutches will follow within the next weeks. End of construction is expected in December 2009.

First photos of the GALAXIES hutches:


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