Ramsey-type spectroscopy with high-order harmonics.
نویسندگان
چکیده
We present an experiment where Ramsey-type spectroscopy is applied to autoionizing states of krypton by using the ninth harmonic (88 nm) of a femtosecond Ti:sapphire laser. The ionization process, detected by an electron-energy spectrometer, shows the characteristic quantum interference pattern. The behavior of the fringe contrast compares favorably with a simple essential-state model, whose parameters have been taken from the literature. The experiment shows the feasibility of high-resolution spectroscopy in the extreme ultraviolet by using high-order laser harmonics.
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ورودعنوان ژورنال:
- Physical review letters
دوره 89 13 شماره
صفحات -
تاریخ انتشار 2002