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Figure 6
Experimental set-up at NSLS-II R&D beamline at NSLS (X16A) for the L-shaped laterally graded multilayer mirror tests. The flat bendable beamline mirror was bent in such a way as to take as much as possible a collimated beam. The double-crystal monochromator (DCM) was set at 9.1 keV, the working energy of the mirror. The L-shaped mirror was mounted sagittally at 45°. The mirror was set in a He-filled box (see the inset). To measure the focus size a set of slits was mounted at the mirror focal plane for knife-edge measurements. For reflectivity measurements a detector was mounted after the slits with the slits fully open. For divergence measurements a Si 333 crystal was mounted after the slits. By taking the rocking curve of this crystal with and without the mirror we could estimate the beam divergence.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 18| Part 6| September 2011| Pages 862-870
doi:10.1107/S0909049511031098
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