Abstract

Spectra of Cs, Ba, La, Ce, Pr, Nd, and Sm ions were obtained with a low-temperature triggered spark produced with a 14.2 µF capacitor charged to voltages of 3–15 KV. They were photographed with a 10.7 m grazing incidence spectrograph in the range of 60–600 Å. Resonance lines in the PdI isolectronic sequences 4<i>d</i><sup>10</sup>–4<i>d</i><sup>9</sup>5<i>p</i> and 4<i>d</i><sup>10</sup>–4<i>d</i><sup>9</sup>4<i>f</i> were identified. In the AgI sequences, spectral lines arising from 5<i>s</i>–5<i>p</i>, 5<i>p</i>–5<i>d</i>, 4<i>f</i>–5<i>d</i>, and 4<i>f</i>–5<i>g</i> transitions were identified.

© 1977 Optical Society of America

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  1. E. Hinnov, "Highly ionized atoms in Tokamak discharges," Phys. Rev. A 14, 1533–1541 (1976).
  2. J. Reader and J. O. Ekberg, "Resonance lines of Ce V and Ce VI," J. Opt. Soc. Am. 62, 619–622 (1972).
  3. J. Reader and G. L. Epstein, "Resonance lines of Cs II, Ba III, and La IV," J. Opt. Soc. Am. 65, 638–641 (1975).
  4. J. Sugar and V. Kaufman, "Seventh spectrum of tungsten (W VII): Resonance lines of Hfv," Phys. Rev. A 12, 994–1012 (1975).
  5. L. Cohen, U. Feldman, M. Swartz, and J. H. Underwood, "Study of the x-rays produced by a vacuum spark," J. Opt. Soc. Am. 58, 843–846 (1968).
  6. R. L. Kelly and L. J. Palumbo, Atomic and Ionic Emission Lines Below 2000 Angstroms—Hydrogen Through Krypton (NRL Report No. 7599, U. S. Government Printing Office, Washington, D. C., 1973).
  7. Y. K. Kim and K. T. Cheng (private communication, 1977).
  8. M. Even-Zohar and B. S. Fraenkel, "A study of EUV spectra in the fifth period," J. Phys. B 5, 1596–1613 (1972).
  9. C. E. Moore, "Atomic Energy Levels," Natl. Bur. Std. (U.S.) Circ. 467, Vol. III (1958).
  10. B. C. Fawcett, B. B. Jones, and R. Wilson, "Vacuum ultraviolet spectra of multiply ionized inert gases," Proc. Phys. Soc. 78, 1223–1226 (1961).
  11. B. C. Fawcett, A. H. Gabriel, B. B. Jones, and N. J. Peacock "Grazing incidence spectra of highly ionized atoms from laboratory plasmas," Proc. Phys. Soc. 84, 257–262 (1964).

1976 (1)

E. Hinnov, "Highly ionized atoms in Tokamak discharges," Phys. Rev. A 14, 1533–1541 (1976).

1975 (2)

J. Reader and G. L. Epstein, "Resonance lines of Cs II, Ba III, and La IV," J. Opt. Soc. Am. 65, 638–641 (1975).

J. Sugar and V. Kaufman, "Seventh spectrum of tungsten (W VII): Resonance lines of Hfv," Phys. Rev. A 12, 994–1012 (1975).

1972 (2)

J. Reader and J. O. Ekberg, "Resonance lines of Ce V and Ce VI," J. Opt. Soc. Am. 62, 619–622 (1972).

M. Even-Zohar and B. S. Fraenkel, "A study of EUV spectra in the fifth period," J. Phys. B 5, 1596–1613 (1972).

1968 (1)

1964 (1)

B. C. Fawcett, A. H. Gabriel, B. B. Jones, and N. J. Peacock "Grazing incidence spectra of highly ionized atoms from laboratory plasmas," Proc. Phys. Soc. 84, 257–262 (1964).

1961 (1)

B. C. Fawcett, B. B. Jones, and R. Wilson, "Vacuum ultraviolet spectra of multiply ionized inert gases," Proc. Phys. Soc. 78, 1223–1226 (1961).

Cheng, K. T.

Y. K. Kim and K. T. Cheng (private communication, 1977).

Cohen, L.

Ekberg, J. O.

Epstein, G. L.

Even-Zohar, M.

M. Even-Zohar and B. S. Fraenkel, "A study of EUV spectra in the fifth period," J. Phys. B 5, 1596–1613 (1972).

Fawcett, B. C.

B. C. Fawcett, A. H. Gabriel, B. B. Jones, and N. J. Peacock "Grazing incidence spectra of highly ionized atoms from laboratory plasmas," Proc. Phys. Soc. 84, 257–262 (1964).

B. C. Fawcett, B. B. Jones, and R. Wilson, "Vacuum ultraviolet spectra of multiply ionized inert gases," Proc. Phys. Soc. 78, 1223–1226 (1961).

Feldman, U.

Fraenkel, B. S.

M. Even-Zohar and B. S. Fraenkel, "A study of EUV spectra in the fifth period," J. Phys. B 5, 1596–1613 (1972).

Gabriel, A. H.

B. C. Fawcett, A. H. Gabriel, B. B. Jones, and N. J. Peacock "Grazing incidence spectra of highly ionized atoms from laboratory plasmas," Proc. Phys. Soc. 84, 257–262 (1964).

Hinnov, E.

E. Hinnov, "Highly ionized atoms in Tokamak discharges," Phys. Rev. A 14, 1533–1541 (1976).

Jones, B. B.

B. C. Fawcett, A. H. Gabriel, B. B. Jones, and N. J. Peacock "Grazing incidence spectra of highly ionized atoms from laboratory plasmas," Proc. Phys. Soc. 84, 257–262 (1964).

B. C. Fawcett, B. B. Jones, and R. Wilson, "Vacuum ultraviolet spectra of multiply ionized inert gases," Proc. Phys. Soc. 78, 1223–1226 (1961).

Kaufman, V.

J. Sugar and V. Kaufman, "Seventh spectrum of tungsten (W VII): Resonance lines of Hfv," Phys. Rev. A 12, 994–1012 (1975).

Kelly, R. L.

R. L. Kelly and L. J. Palumbo, Atomic and Ionic Emission Lines Below 2000 Angstroms—Hydrogen Through Krypton (NRL Report No. 7599, U. S. Government Printing Office, Washington, D. C., 1973).

Kim, Y. K.

Y. K. Kim and K. T. Cheng (private communication, 1977).

Moore, C. E.

C. E. Moore, "Atomic Energy Levels," Natl. Bur. Std. (U.S.) Circ. 467, Vol. III (1958).

Palumbo, L. J.

R. L. Kelly and L. J. Palumbo, Atomic and Ionic Emission Lines Below 2000 Angstroms—Hydrogen Through Krypton (NRL Report No. 7599, U. S. Government Printing Office, Washington, D. C., 1973).

Peacock, N. J.

B. C. Fawcett, A. H. Gabriel, B. B. Jones, and N. J. Peacock "Grazing incidence spectra of highly ionized atoms from laboratory plasmas," Proc. Phys. Soc. 84, 257–262 (1964).

Reader, J.

Sugar, J.

J. Sugar and V. Kaufman, "Seventh spectrum of tungsten (W VII): Resonance lines of Hfv," Phys. Rev. A 12, 994–1012 (1975).

Swartz, M.

Underwood, J. H.

Wilson, R.

B. C. Fawcett, B. B. Jones, and R. Wilson, "Vacuum ultraviolet spectra of multiply ionized inert gases," Proc. Phys. Soc. 78, 1223–1226 (1961).

J. Opt. Soc. Am. (3)

J. Phys. (1)

M. Even-Zohar and B. S. Fraenkel, "A study of EUV spectra in the fifth period," J. Phys. B 5, 1596–1613 (1972).

Phys. Rev. (2)

J. Sugar and V. Kaufman, "Seventh spectrum of tungsten (W VII): Resonance lines of Hfv," Phys. Rev. A 12, 994–1012 (1975).

E. Hinnov, "Highly ionized atoms in Tokamak discharges," Phys. Rev. A 14, 1533–1541 (1976).

Proc. Phys. Soc. (2)

B. C. Fawcett, B. B. Jones, and R. Wilson, "Vacuum ultraviolet spectra of multiply ionized inert gases," Proc. Phys. Soc. 78, 1223–1226 (1961).

B. C. Fawcett, A. H. Gabriel, B. B. Jones, and N. J. Peacock "Grazing incidence spectra of highly ionized atoms from laboratory plasmas," Proc. Phys. Soc. 84, 257–262 (1964).

Other (3)

C. E. Moore, "Atomic Energy Levels," Natl. Bur. Std. (U.S.) Circ. 467, Vol. III (1958).

R. L. Kelly and L. J. Palumbo, Atomic and Ionic Emission Lines Below 2000 Angstroms—Hydrogen Through Krypton (NRL Report No. 7599, U. S. Government Printing Office, Washington, D. C., 1973).

Y. K. Kim and K. T. Cheng (private communication, 1977).

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