Mirror system
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Alignment of the mirror system and WBS
The mirror system allows selection of an energy range by use of different reflective stripes (Si, Cr, Pt), fine tuning of the energy range (and thereby high-harmonics rejection) by changing the grazing angle, and change of propagation angle of the reflected beam in the horizontal direction by change of the pitch of the second mirror.
The White Beam Slit (WBS) must always be set to limit the size of the incident beam and protect the mirror system from damaging heat load.
