http://www.cnr.it/ontology/cnr/individuo/prodotto/ID58581

One- and two-photon spectroscopy of highly excited states of alkali-metal atoms on helium nanodroplets (Articolo in rivista)

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One- and two-photon spectroscopy of highly excited states of alkali-metal atoms on helium nanodroplets (Articolo in rivista) (literal)

Anno

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Alternative label

Pifrader, Alexandra; Allard, Olivier; Auboeck, Gerald; Callegari, Carlo; Ernst, Wolfgang E.; Huber, Robert; Ancilotto, Francesco (2010)
One- and two-photon spectroscopy of highly excited states of alkali-metal atoms on helium nanodroplets
in The Journal of chemical physics
(literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori

Pifrader, Alexandra; Allard, Olivier; Auboeck, Gerald; Callegari, Carlo; Ernst, Wolfgang E.; Huber, Robert; Ancilotto, Francesco (literal)

Pagina inizio

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Rivista

Note

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Graz Univ Technol, Inst Expt Phys, A-8010 Graz, Austria Penn State Univ, Dept Phys, University Pk, PA 16802 USA Univ Padua, Dipartimento Fis G Galilei, I-35131 Padua, Italy (literal)

Titolo

One- and two-photon spectroscopy of highly excited states of alkali-metal atoms on helium nanodroplets (literal)

Abstract

Alkali-metal atoms captured on the surface of superfluid helium droplets are excited to high energies (approximate to 3 eV) by means of pulsed lasers, and their laser-induced-fluorescence spectra are recorded. We report on the one-photon excitation of the (n+1) p <- ns transition of K, Rb, and Cs (n=4, 5, and 6, respectively) and on the two-photon one-color excitation of the 5d <- 5s transition of Rb. Gated-photon-counting measurements are consistent with the relaxation rates of the bare atoms, hence consistent with the reasonable expectation that atoms quickly desorb from the droplet and droplet-induced relaxation need not be invoked. (literal)

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