The HELIOS Laboratory @ LLUp

Laser type: Ti:Sapphire CPA
Parameter summary: 10 kHz, 800 nm, 30 fs, 1 mJ, or 5 kHz with 2.5 mJ

LaserAmplifierJPG

Laser system used for generating high harmonics in gas plasma. Provides photon energies between 20-72 eV.

Key experimental stations

Angle resolved photoemission spectroscopy

PhotoemissionJPG

  • Type of experiment: Condensed matter and gas-phase spectroscopy
  • Description: High-order harmonic generation (HHG) in combination with a pulse length conserving monochromator provides EUV photons for photoemission. The time-of-flight spectrometer gives 2D k-resolution.
  • Beam parameters: 10 kHz, 20-72 eV photon energy, 30 fs, ( 10pJ at 43 eV, 0.1 eV resolution)
  • Auxiliary equipment: IR-VIS-UV power meters, NIR/VIS Autocorrelator, NIR/VIS spectrometer. Circularly polarized HHG/ Odd+Even HHG can be provided.
  • Contact person: Robert Stefanuik


Magnetization dynamics

MagnatizationDynamicsJPG

  • Type of experiment: Magneto-optical reflectivity (T-MOKE)
  • Description: Simultaneous probing of the magneto-optical reflectivity in a 40 eV wide energy window using an XUV spectrometer. Provides element sensitivity at M-absorption edges for transition metals.
  • Beam parameters: 10 kHz, 20-72 eV photon energy, 30 fs
  • Auxiliary equipment: IR-VIS-UV power meters, NIR/VIS Autocorrelator, NIR/VIS spectrometer. Odd+Even HHG can be provided.
  • Contact person: Ronny Knut