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Nobel Prize in Chemistry awarded to RESOLV Member Benjamin List- for the development of asymmetric organocatalysis
NCCR MUST at Scientifica 2021- Lightning, organic solar cells, and virtual molecules

High-Harmonic generation (HHG) source at 10 kHz with a vacuum beam-line for ultrafast liquid jet experiments

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Location Contact
EPFL SB ISIC LSU
CH H1 564
1015 Lausanne
 Christopher Arrell
Tel +41216930452
 

Setup / Configuration

  
This set-up uses a Cryo-amplifier (Wyvern, KMLabs) to generate 50 fs 1.5 mJ pulses at 10 kHz. Part of the output of the laser is compressed in a rare gas-filled hollow fiber compressor to give a pulse of <10 fs, 0.5 mJ. The compressed pulses are used to generate high-harmonics, in the 30-100 eV region, measured using an XUV flat-field spectrometer.
For the experiments single harmonics are selected using a time-preserving monochromator (sub-eV resolution, under development).
The vacuum beam-line includes an interaction chamber with a liquid microjet and time of flight electron spectrometer, for time resolved photo-electron spectroscopy of liquid solutions. The set-up is easily adapted for surface or solid-state photoemission studies.
 Chergui2 Figure: Neon-filled Hollow fiber lighting up when pumped with 0.8 mJ, 50 fs pulses at 10 kHz repetition rate (8W average power)


Laboratory of Ultrafast Spectroscopy LSU more
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