High photon flux and high repetition rate fiber-laser driven HHG

High harmonic generation (HHG) of ultrashort laser pulses is a key process for the generation of coherent extreme ultraviolet to soft X-ray radiation, which is routinely employed in a wide variety of applications [1]. Amongst the large variety photoelectron spectroscopy and microscopy particularly demands for high repetition rate and high photon flux sources [2, 3]. As such, fiber laser driven HHG has emerged as a powerful source to provide the highest photon fluxes in combination with unprecedented repetition rates [4].