Non-planar femtosecond enhancement cavity for VUV frequency comb applications.


External passive femtosecond enhancement cavities (fsECs) are widely used to increase the efficiency of non-linear conversion processes like high harmonic generation (HHG) at high repetition rates. Their performance is often limited by elliptical beam profiles, caused by oblique incidence on spherical focusing mirrors. We introduce a novel three… (More)
DOI: 10.1364/OE.24.005253


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