the X-Wollaston Polarimeter

The X-Wollaston (TONIX) polarimeter is capable of measuring the FEL pulse polarization status in single-shot mode. It works on a broad energy range from 50 eV to 150 eV, with extinction ratio higher than 40 in all the energy range. Successful commissioning had being achieved by measuring the element sensitive Kerr rotation at the Ni-edge in ferromagnetic Nickel.


Thanks to the tunability of the FERMI photon energy, the EUV Kerr rotation is measured across the entire absorption edge of Ni together with the relative change of the sample reflectivity with a 100-fs time resolution.















 

Last Updated on Sunday, 30 April 2023 10:08