A double multilayer monochromator for the B16 Test beamline at the Diamond Light Source
2011
The B16 Test beamline at the Diamond Light Source is in user operation. It has been recently upgraded with the addition
of a double multilayer monochromator (DMM), which provides further functionality and versatility to the beamline. The
multilayer monochromator is equipped with two pairs of multilayer optics (Ni/B 4 C and Ru/B 4 C) to cover the wide
photon energy range of 2 - 20 keV, with good efficiency. The DMM provides a broad bandpass / high flux operational
mode for the beamline and, when used in tandem with the Si (111) double crystal monochromator, it gives a very high
higher-order harmonics suppression. The design details of the DMM and the first commissioning results obtained using
the DMM are presented.
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