This low energy beamline serves the permanent stations for angle-resolved photoelectron spectroscopy, 13 and 12 ARPES. It is designed to deliver a high flux of photons with very high energy resolution in the range from 5 to 250 eV. In addition to its normal operation with grazing incidence angles, the monochromator also offers a normal indcidence option to retain flux and polarization at the lowest energies.
The monochromated beam branches into two lines to serve the 12 (left) and 13 (right) setups. The latter has a focus of 250 µm.
For more details and current status contact the beamline manager.
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|Source||UE112 (Elliptical Undulator)|
|Energy range||4 - 200 eV|
|Energy resolution||< 1 meV for E < 100 eV|
|Flux||>1013 (photons/s/0.1%bw/100 mA)|
|Polarisation||• linear any angle|
|Divergence horizontal||1 mrad|
|Divergence vertical||3 mrad|
|Focus size (hor. x vert.)||--|
|Fixed endstation||ARPES One-Cube|
|User endstation||not possible|
|Distance Focus/last valve||814 mm|
|Height Focus/floor level||1757 mm|
|Phone||+49 30 8062 14696|