Frequency comb laser spectroscopy in the vacuum-ultraviolet region

R.T. Zinkstok, S. Witte, W.M.G. Ubachs, W. Hogervorst, K.S.E. Eikema

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We demonstrate that the output of a frequency comb laser can be amplified and upconverted to the vacuum ultraviolet (vuv) in a gaseous medium while its phase coherence is maintained to a high degree (< 1 30 of a vuv cycle). The produced vuv pulses are well suited to perform frequency comb spectroscopy with sub-MHz accuracy, which is experimentally verified using a Ramsey-type quantum interference scheme to excite a transition in xenon at 125 nm. The achieved resolution constitutes an improvement of six orders of magnitude compared to previous demonstrations of frequency domain quantum interference in this wavelength range. © 2006 The American Physical Society.
Original languageEnglish
JournalPhysical Review A. Atomic, Molecular and Optical Physics
Issue number6
Publication statusPublished - 2006


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