XUV‐driven plasma switch for THz: new spatio‐temporal overlap tool for XUV–THz pump–probe experiments at FELs. - Zapolnova, E.; Pan, R.; Golz, T.; Sindik, M.; Nikolic, M.; Temme, M.; Rabasovic, M.; Grujic, D.; Chen, Z.; Toleikis, S.; Stojanovic, N. (Journal of Synchrotron Radiation, 2020)