M. Puppin, Y. Deng, C. W. Nicholson, J. Feldl, N. Schroeter, H. Vita, P. S. Kirchmann, C. Monney, L. Rettig, M. Wolf, and R. Ernstorfer:
Rev. Sci. Instrum. 90 (2), 023104 (2019), pp. 9;
arXiv:1811.06939 [physics.ins-det] (2018), pp. 9;
DOI: arXiv:1811.06939 [physics.ins-det]
Time- and angle-resolved photoelectron spectroscopy (trARPES) employing a 500 kHz extreme-ultravioled (XUV) light source operating at 21.7 eV probe photon energy is reported. Based on a high-power ytterbium laser, optical parametric chirped pulse amplification (OPCPA), and ultraviolet-driven high-harmonic generation, the light source produces an isolated high-harmonic with 110 meV bandwidth and a flux of more than 1011 photons/second on the sample. Combined with a state-of-the-art ARPES chamber, this table-top experiment allows high-repetition rate pump-probe experiments of electron dynamics in occupied and normally unoccupied (excited) states in the entire Brillouin zone and with a temporal system response function below 40 fs.
The original publication is available by link DOI: 10.1063/1.5081938