“…An argon fluoride excimer laser (GeolasC, λ=193 nm, Microlas GmbH, Göttingen, Germany), a Nd:YAG laser (LSX213, 5ω, λ=213 nm, CETAC Technologies, Omaha, USA), and a Nd:YAG laser (LSX500, 4ω, λ=266 nm, CETAC Technologies) were first compared with respect to their CO 2 conversion efficiency, revealing that the excimer setup is most efficient with a conversion efficiency of 70±6%, while for the LSX213 laser 44±2% and for the LSX500 30% were achieved. The value found for the LSX213 is on the same order as the one determined by Rosenheim et al (2008), but below the value found by Wacker et al (2013). In both studies, the same wavelength and a comparable laser fluence were used.…”