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Figure 2
A schematic diagram of the experimental setup. The beamline has two mirrors – one vertical collimating mirror upstream of the DCM and one Rh-coated harmonic rejection mirror downstream of the DCM. Sample foils attached to a perspex sample holder are placed in between two daisy wheels. Ion chambers are located upstream and the downstream of the sample foils. The daisy wheels have different sized apertures, and different thickness aluminium and molybdenum foils around the perimeter to quantify the effects of scattered and fluorescent X-rays, and of the harmonic content in the incident beam, respectively. The beam direction is z, and y is the vertical direction.

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ISSN: 1600-5775
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