Beamline G3 at DESY: Materials X-ray Imaging
Beamline G3 at DESY: Materials X-ray Imaging
Beamline G3 at DESY: Materials X-ray Imaging
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<strong>Beamline</strong> <strong>G3</strong>: Monochrom<strong>at</strong>or<br />
Fixed-exit double-crystal Ge (111), also further crystals available Ge<br />
(311), Si (111), Si (511), Si (400).<br />
All movements of the monochrom<strong>at</strong>or are driven by stepper motors.<br />
The monochrom<strong>at</strong>or is w<strong>at</strong>er cooled.<br />
The tilted gold mirror (7 mrad) is used for the suppression of higher<br />
harmonics.<br />
monochrom<strong>at</strong>ic<br />
1. monocrystal beam<br />
1 st slit<br />
scintill<strong>at</strong>ion<br />
counter<br />
DORIS<br />
III<br />
polychrom<strong>at</strong>ic<br />
beam<br />
gold<br />
mirror<br />
monochrom<strong>at</strong>or<br />
box<br />
2. monocrystal<br />
(travelling)<br />
Fig. 4. <strong>G3</strong> monochrom<strong>at</strong>or<br />
2 nd slit
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