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Automated hv-scan

Controlling monochromator via software to measure kz dependence

First you need to make sure that auto beam-position control is working.

To perform an automated photon energy scan:

  • In the MultiAx window open tab "Mono corrections"

  • Tick activate

  • In the CommPort | MONO block check that COM2 is selected and click Connect

  • Check the current photon energy, the value should appear in the yellow box (Position [eV])

  • In the SES window create a new CIS region, press Edit, set start/fin values of hv and step

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In CIS mode energy values are set as Binding energy! E.g. Fermi level is around 4.5 eV.

Before starting a scan make a test run and make sure that the intensities are reasonable at all photon energies in the range.