The source of the X-Treme beamline is an elliptical polarizing undulator providing linear light between 0 and 90 degrees and right or left circular polarization. Below are a few important parameters of the undulator.
Type Elliptical undulator UE54
Period length 54 mm
Number of periods 32
Gap 18 - 70 mm
Polarization Linear ( -5o to 185o)
Circular (right or left)
Operating on harmonics 1 - 31
Energy range 150 - 8000 eV
Calculated flux for first, third and fifth harmonic with linear horizontal light and different front-end opening.