Split-pulse spectrometer for absolute XUV frequency measurements |
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| Authors: | Liontos I Corsi C Cavalieri S Bellini M Eramo R |
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| Institution: | European Laboratory for non linear Spectroscopy (LENS), 50019 Sesto Fiorentino, Florence, Italy. liontos@lens.unifi.it |
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| Abstract: | A split-pulse spectrometer based on pairs of time-delayed femtosecond pulses can give access to accurate frequency measurements in the extreme ultraviolet (XUV) spectral domain. We demonstrate this approach by measuring the absolute frequency of a single-XUV-photon transition to a bound state of atomic argon excited with the ninth harmonic of an amplified Ti:sapphire laser. |
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