Abstract

From two excitation schemes with different intermediate states, 5d6d 1P1 and 5d6d 3F2, the La+ Rydberg series converging to La2+ ground state 5d 2D3/2 were observed. The ionization threshold of La+ was found to be 90212.8±0.5 cm-1. The autoionization Rydberg series converging to the La2+ 5d 2D5/2 state were also obtained.

© 1999 Optical Society of America

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  1. L. M. Kiernan, E. T. Kennedy, J. P. Mosnier, J. T. Costello, and B. F. Sonntag, “First observation of a photon-induced triply excited state in atomic lithium,” Phys. Rev. Lett. 72, 2359–2362 (1994).
    [CrossRef] [PubMed]
  2. L. M. Kiernan, M. K. Lee, B. F. Sonntag, P. Sladeczek, P. Zimmermann, E. T. Kennedy, J. P. Mosnier, and J. T. Costello, “High-resolution photoion yield measurements of ‘hollow’ atomic lithium,” J. Phys. B 28, L161–L168 (1995).
    [CrossRef]
  3. W. Huang, X. Y. Xu, C. B. Xu, M. Xue, and D. Y. Chen, “Constant-electric-field ionization mass spectroscopy in laser-excited Yb+ Rydberg states,” J. Opt. Soc. Am. B 12, 961–963 (1995).
    [CrossRef]
  4. P. Xue, X. Y. Xu, W. Huang, C. B. Xu, R. C. Zhao, and X. P. Xie, “Observation of the highly excited states of Lanthanum,” in Proceedings of the Eighth International Symposium on Resonance Ionization Spectroscopy (American Institute of Physics, Woodbury, N.Y., 1996), p. 299–302.
  5. W. C. Martin, R. Zalubas, and L. Hagan, “Atomic energy levels—the rare Earth elements,” Natl. Stand. Ref. Data Ser. Nat. Bur. Stand. 60 (1978).

1995 (2)

L. M. Kiernan, M. K. Lee, B. F. Sonntag, P. Sladeczek, P. Zimmermann, E. T. Kennedy, J. P. Mosnier, and J. T. Costello, “High-resolution photoion yield measurements of ‘hollow’ atomic lithium,” J. Phys. B 28, L161–L168 (1995).
[CrossRef]

W. Huang, X. Y. Xu, C. B. Xu, M. Xue, and D. Y. Chen, “Constant-electric-field ionization mass spectroscopy in laser-excited Yb+ Rydberg states,” J. Opt. Soc. Am. B 12, 961–963 (1995).
[CrossRef]

1994 (1)

L. M. Kiernan, E. T. Kennedy, J. P. Mosnier, J. T. Costello, and B. F. Sonntag, “First observation of a photon-induced triply excited state in atomic lithium,” Phys. Rev. Lett. 72, 2359–2362 (1994).
[CrossRef] [PubMed]

Chen, D. Y.

Costello, J. T.

L. M. Kiernan, M. K. Lee, B. F. Sonntag, P. Sladeczek, P. Zimmermann, E. T. Kennedy, J. P. Mosnier, and J. T. Costello, “High-resolution photoion yield measurements of ‘hollow’ atomic lithium,” J. Phys. B 28, L161–L168 (1995).
[CrossRef]

L. M. Kiernan, E. T. Kennedy, J. P. Mosnier, J. T. Costello, and B. F. Sonntag, “First observation of a photon-induced triply excited state in atomic lithium,” Phys. Rev. Lett. 72, 2359–2362 (1994).
[CrossRef] [PubMed]

Huang, W.

Kennedy, E. T.

L. M. Kiernan, M. K. Lee, B. F. Sonntag, P. Sladeczek, P. Zimmermann, E. T. Kennedy, J. P. Mosnier, and J. T. Costello, “High-resolution photoion yield measurements of ‘hollow’ atomic lithium,” J. Phys. B 28, L161–L168 (1995).
[CrossRef]

L. M. Kiernan, E. T. Kennedy, J. P. Mosnier, J. T. Costello, and B. F. Sonntag, “First observation of a photon-induced triply excited state in atomic lithium,” Phys. Rev. Lett. 72, 2359–2362 (1994).
[CrossRef] [PubMed]

Kiernan, L. M.

L. M. Kiernan, M. K. Lee, B. F. Sonntag, P. Sladeczek, P. Zimmermann, E. T. Kennedy, J. P. Mosnier, and J. T. Costello, “High-resolution photoion yield measurements of ‘hollow’ atomic lithium,” J. Phys. B 28, L161–L168 (1995).
[CrossRef]

L. M. Kiernan, E. T. Kennedy, J. P. Mosnier, J. T. Costello, and B. F. Sonntag, “First observation of a photon-induced triply excited state in atomic lithium,” Phys. Rev. Lett. 72, 2359–2362 (1994).
[CrossRef] [PubMed]

Lee, M. K.

L. M. Kiernan, M. K. Lee, B. F. Sonntag, P. Sladeczek, P. Zimmermann, E. T. Kennedy, J. P. Mosnier, and J. T. Costello, “High-resolution photoion yield measurements of ‘hollow’ atomic lithium,” J. Phys. B 28, L161–L168 (1995).
[CrossRef]

Mosnier, J. P.

L. M. Kiernan, M. K. Lee, B. F. Sonntag, P. Sladeczek, P. Zimmermann, E. T. Kennedy, J. P. Mosnier, and J. T. Costello, “High-resolution photoion yield measurements of ‘hollow’ atomic lithium,” J. Phys. B 28, L161–L168 (1995).
[CrossRef]

L. M. Kiernan, E. T. Kennedy, J. P. Mosnier, J. T. Costello, and B. F. Sonntag, “First observation of a photon-induced triply excited state in atomic lithium,” Phys. Rev. Lett. 72, 2359–2362 (1994).
[CrossRef] [PubMed]

Sladeczek, P.

L. M. Kiernan, M. K. Lee, B. F. Sonntag, P. Sladeczek, P. Zimmermann, E. T. Kennedy, J. P. Mosnier, and J. T. Costello, “High-resolution photoion yield measurements of ‘hollow’ atomic lithium,” J. Phys. B 28, L161–L168 (1995).
[CrossRef]

Sonntag, B. F.

L. M. Kiernan, M. K. Lee, B. F. Sonntag, P. Sladeczek, P. Zimmermann, E. T. Kennedy, J. P. Mosnier, and J. T. Costello, “High-resolution photoion yield measurements of ‘hollow’ atomic lithium,” J. Phys. B 28, L161–L168 (1995).
[CrossRef]

L. M. Kiernan, E. T. Kennedy, J. P. Mosnier, J. T. Costello, and B. F. Sonntag, “First observation of a photon-induced triply excited state in atomic lithium,” Phys. Rev. Lett. 72, 2359–2362 (1994).
[CrossRef] [PubMed]

Xu, C. B.

Xu, X. Y.

Xue, M.

Zimmermann, P.

L. M. Kiernan, M. K. Lee, B. F. Sonntag, P. Sladeczek, P. Zimmermann, E. T. Kennedy, J. P. Mosnier, and J. T. Costello, “High-resolution photoion yield measurements of ‘hollow’ atomic lithium,” J. Phys. B 28, L161–L168 (1995).
[CrossRef]

J. Opt. Soc. Am. B (1)

J. Phys. B (1)

L. M. Kiernan, M. K. Lee, B. F. Sonntag, P. Sladeczek, P. Zimmermann, E. T. Kennedy, J. P. Mosnier, and J. T. Costello, “High-resolution photoion yield measurements of ‘hollow’ atomic lithium,” J. Phys. B 28, L161–L168 (1995).
[CrossRef]

Phys. Rev. Lett. (1)

L. M. Kiernan, E. T. Kennedy, J. P. Mosnier, J. T. Costello, and B. F. Sonntag, “First observation of a photon-induced triply excited state in atomic lithium,” Phys. Rev. Lett. 72, 2359–2362 (1994).
[CrossRef] [PubMed]

Other (2)

P. Xue, X. Y. Xu, W. Huang, C. B. Xu, R. C. Zhao, and X. P. Xie, “Observation of the highly excited states of Lanthanum,” in Proceedings of the Eighth International Symposium on Resonance Ionization Spectroscopy (American Institute of Physics, Woodbury, N.Y., 1996), p. 299–302.

W. C. Martin, R. Zalubas, and L. Hagan, “Atomic energy levels—the rare Earth elements,” Natl. Stand. Ref. Data Ser. Nat. Bur. Stand. 60 (1978).

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Figures (3)

Fig. 1
Fig. 1

Excitation scheme for Rydberg states of La+. Solid arrows, λ1λ4, illustrate the first four lasers in the experiment. The dotted arrow from the state 5d6d to beyond the threshold of La+ (λ5) illustrates the exciting channel of the autoionization Rydberg states. The solid arrow (λ5) illustrates the exciting channel of the ionic Rydberg states. The LaI ionization threshold is from Ref. 4. The LaII ionization threshold is obtained from the experiment results in this paper, whereas the first excited state of La2+ is deduced from the Martin, Zalubas, and Hagan tables.5

Fig. 2
Fig. 2

Rydberg states of La+ converging to the ground state of La2+. (a) Obtained from the first scheme, by means of intermediate state 5d6d 1P1. (b) Obtained from the second scheme by means of intermediate state 5d6d 3F2.

Fig. 3
Fig. 3

Rydberg states of La+ converging to the first excited state 5d 2D5/2 of La2+. Both (a) and (b) are obtained with the second excitation scheme by means of intermediate state 5d6d 3F2.

Tables (2)

Tables Icon

Table 1 Energy Levels and Corresponding Effective Principal Quantum Number (n*) of Two La+ Rydberg Series from the First Excitation Schemea

Tables Icon

Table 2 Energy Levels and Corresponding Effective Principal Quantum Number (n*) of the Long La+ Rydberg Series from the Second Excitation Schemea

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