Elphos laboratories have been developed by integrating modern ultrafast laser sources with an angle-resolved photoemission equipment and broadband optical spectroscopy techniques. We are currently able to investigate the non-equilibrium electron dynamics in solid-state systems through time- and angle-resolved non-linear photoemission and to perform high resolution time-and frequency-resolved optical spectroscopies.

Optics

• Amplified Ti:sapphire oscillator
  800 nm wavelength
  150 fs pulse duration
  1 kHz rep. rate, 1 W output power
• Collinear optical parametric amplifier of super-fluorescence
  1250-2200 nm wavelength tunability
  150 fs pulse duration
• Non-collinear optical parametric amplifier of white-light continuum
  425-750 nm wavelength tunability
  30 fs pulse duration
• Pharos by LIght Conversion + Orpheus-F parametric amplifier (shared with Ulysses lab group)
  infrared/visible wavelength tunability
  40 fs pulse duration
  Rep. rate tunable from 400 kHz to single shot
  Nireos interferometers for broadband pump-probe and 2D spectroscopy

Photoemission

UHV chamber equipped with:

• 5 degrees of freedom cryogenic sample holder (minimum temperature: 30 K)
• Time of Flight spectrometer (en. resolution: 15 meV@ 2 eV kin. en.)
• Low Energy Electron Diffraction
• Ion-gun for sample preparation
• Preparation chamber for sample evaporation