Influence of spontaneous decay on resonantly enhanced two-photon ionisation of D(2s)

Essarroukh, NE;Antoine, Philippe;Karangwa, PC;Jureta, Jozo;Urbain, Xavier
(1997) Zeitschrift fuer Physik D. Atoms, Molecules and Clusters — Vol. 39, n° 1, p. 15-19 (1997)

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Authors
  • Essarroukh, NE
    Author
  • Antoine, PhilippeUCLouvain
    Author
  • Karangwa, PC
    Author
  • Jureta, JozoUCLouvain
    Author
  • Urbain, Xavierorcid-logoUCLouvain
    Author
Abstract
The wavelength dependence of the two-photon ionisation of metastable D(2s) by a laser beam has been measured near the 2s - 3p resonant frequency. A sharp structure is observed in the broad resonance profile at quite moderate intensity. Its origin is shown to be the spontaneous decay of the 3p state that competes with photoionisation.
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Essarroukh, N., Antoine, P., Karangwa, P., Jureta, J., & Urbain, X. (1997). Influence of spontaneous decay on resonantly enhanced two-photon ionisation of D(2s). Zeitschrift fuer Physik D. Atoms, Molecules and Clusters, 39(1), 15-19. https://doi.org/10.1007/s004600050104 (Original work published 1997)