Formation and relaxation of RbHe exciplexes on He nanodroplets studied by femtosecond pump and picosecond probe spectroscopy

C. Giese; T. Mullins; B. Gruener; M. Weidemueller; F. Stienkemeier; M. Mudrich

doi:10.1063/1.4772749

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arXiv · 1209.3181

Formation and relaxation of RbHe exciplexes on He nanodroplets studied by femtosecond pump and picosecond probe spectroscopy

C. Giese·T. Mullins·B. Gruener·M. Weidemueller·F. Stienkemeier·M. Mudrich

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Abstract

Vibrationally resolved photoionization spectra of RbHe exciplexes forming on He nanodroplets are recorded using femtosecond pump-probe spectroscopy with amplitude-shaped probe pulses. The time-evolution of the spectra reveals an exciplex formation time ~10ps followed by vibrational relaxation extending up to >1ns. This points to an indirect, time-delayed desorption process of RbHe off the He surface.

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C. Giese, T. Mullins, B. Gruener, M. Weidemueller, F. Stienkemeier, M. Mudrich. 2012-09-14. Formation and relaxation of RbHe exciplexes on He nanodroplets studied by femtosecond pump and picosecond probe spectroscopy. https://doi.org/10.1063/1.4772749

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