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Autoionising 4dnf States and Multiphoton Ionisation Studies in Strontium

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Atoms in Strong Fields

Part of the book series: NATO ASI Series ((NSSB,volume 212))

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Abstract

In Sr, we report the preliminary data obtained using one-colour and two-colour laser excitations in an atomic beam associated with a time-of-flight (T.O.F.) ion detection technique. In section 1, the Sr+ yield measured in the range 532–541 nm with the one-colour excitation exhibits many resonance lines. They correspond to 2-photon excitation of bound states and 3-photon excitation of autoionising 4d5f states. Results obtained from a two-colour laser excitation via the 5p2 1D2 bound level improve the resolution and confirm the J-level assignation of the 4d5f states from the one-colour experiment. They extend the observation to other members of the 4dnf series (n = 4 and 6).

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© 1990 Springer Science+Business Media New York

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Camus, P. et al. (1990). Autoionising 4dnf States and Multiphoton Ionisation Studies in Strontium. In: Nicolaides, C.A., Clark, C.W., Nayfeh, M.H. (eds) Atoms in Strong Fields. NATO ASI Series, vol 212. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-9334-5_27

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  • DOI: https://doi.org/10.1007/978-1-4757-9334-5_27

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4757-9336-9

  • Online ISBN: 978-1-4757-9334-5

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