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Figure 2
Cross section of a current SOLEIL vacuum dipole chamber at the end of the beamline aperture (Fig. 1[link]), where distances are given in millimetres. The drawing shows the electron beam channel, the water-cooled slot device, the cylindrical mirror slotted in two parts to allow X-rays to pass through, thus eliminating thermal deformations, and the antechamber (which is used for vacuum pumping). The mirror, made of aluminium, is directly brazed onto the two parts of the stainless steel dipole chamber before assembling. Future SOLEIL dipole chambers could be manufactured from extruded aluminium profiles and the mirror would have to be maintained with supports inserted from the antechamber side ports.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 24| Part 2| March 2017| Pages 386-391
https://doi.org/10.1107/S1600577516020518
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