Year: 2017
Author: T. X. Yang, Y. Lian, R. Wang, S. W. Zhang, L. H. He, H. Lv, H. F. Xu
Journal of Atomic and Molecular Sciences, Vol. 8 (2017), Iss. 1 : pp. 49–54
Abstract
Neutral Rydberg state excitation in strong UV laser fields of Xe atoms has been studied and compared with direct ionization. The yields of both strong-field excitation and ionization have been measured as a function of UV laser intensity and ellipticity. The underlying physical mechanism has been discussed based on the experimental results, indicating that the Rydberg states are populated via multi-photon resonance excitation in strong 400 nm laser fields. Finally, a comparative study of Xe and $O_2$ with similar ionization potentials have been performed, showing the suppressed excitation of molecules in strong UV laser fields.
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Journal Article Details
Publisher Name: Global Science Press
Language: English
DOI: https://doi.org/10.4208/jams.051817.062017a
Journal of Atomic and Molecular Sciences, Vol. 8 (2017), Iss. 1 : pp. 49–54
Published online: 2017-01
AMS Subject Headings: Global Science Press
Copyright: COPYRIGHT: © Global Science Press
Pages: 6
Keywords: Strong UV laser field Rydberg state excitation Multi-photon ionization.