Abstract

Spectra of highly charged Mo ions generated in a laser-produced plasma were observed from 10 to 190 Å with a 3 m grazing- incidence spectrograph. Line identifications in Mo xxxxxxii were made with the help of relativistic Hartree–Fock calculations. In Mo xxxi (Mg-like) the 3s2 1S0–3s 3p 1P1 resonance line was found to be at 115.944 Å. In Mo xxxii (Na-like) the 3s 2S1/2–3p 2P3/2,1/2 resonance lines are at 127.814 and 176.62 Å. These values support the recent identifications of these lines in the Princeton ST tokamak by Hinnov. The density-sensitive 3p 2P3/2–3d 2D5/2 transition in Mo xxxii is at 126.937 Å. At shorter wavelengths, the 3s–4p transitions of Mo xxxii are at 14.384 and 14.565 Å.

© 1977 Optical Society of America

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  1. TFR Group, “Line radiation in the visible and ultraviolet in TFR Tokamak plasmas,” Nucl. Fusion 15, 1053–1066 (1975);TFR Group, “Ionization equilibrium and radiation losses in molybdenum in a high temperature plasma,” Report No. EUR-CEA-FC-861, 1–9 (1976) (unpublished).
  2. E. Hinnov, “Highly ionized atoms in tokamak discharges,” Phys. Rev. A 14, 1533–1541 (1976).
    [Crossref]
  3. W. E. Behring, R. J. Ugiansky, and U. Feldman, “High resolution rocket EUV solar spectrograph,” Appl. Opt. 12, 528–532 (1973).
    [Crossref] [PubMed]
  4. R. L. Kelly and L. J. Palumbo, Atomic and Ionic Emission Lines Below 2000 Ångströms-Hydrogen Through Krypton, Naval Research Laboratory Report No.7599 (U.S. GPO, Washington, D.C., 1973).
  5. E. V. Aglitskii, V. A. Boiko, S. A. Pikuz, and Ya. A. Faenov, “Identification of the spectra of laser plasmas of lithium-like ions of Ti, V, and Cr in the 8. 5–17 Å region,” Sov. J. Quant. Electron. 4, 956–962 (1975).
    [Crossref]
  6. J. Reader and N. Acquista, “4s–4p Resonance Transitions in Highly-Ionized Cu- and Zn-like Ions,” Phys. Rev. Lett. 39, 184–187 (1977).
    [Crossref]
  7. R. D. Cowan and D. C. Griffin, “Approximate relativistic corrections to atomic radial wavefunctions,” J. Opt. Soc. Am. 66, 1010–1014 (1976);R. D. Cowan, “Theoretical calculations of atomic spectra using digital computers,” J. Opt. Soc. Am. 58, 808–818 (1968).
    [Crossref]
  8. J. P. Desclaux, “A multiconfiguration relativistic Dirac-Fock program,” Comput. Phys. Commun. 9, 31–45 (1975).
    [Crossref]
  9. M. Klapisch, R. Perel, and D. Weil, “Theoretical energy levels and wavelengths for some spectra of highly ionized molybdenum between Mo xl and Mo xxiv,” Report No. EUR-CEA-FC-827, 1–17 (1976) (unpublished).
  10. B. C. Fawcett and R. W. Hayes, “Spectra in the period between copper and bromine produced with the aid of a 4 GW laser,” J. Opt. Soc. Am. 65, 623–627 (1975).
    [Crossref]
  11. K. T. Cheng and W. R. Johnson, “Excitation Energies and Line Strengths in the Mg Isoelectronic Sequence,” Phys. Rev. A 16, 263–272 (1977).
    [Crossref]
  12. P. Shorer, C. D. Lin, and W. R. Johnson, “Oscillator Strengths for the Magnesium Isoelectronic Sequence,” Phys. Rev. A 16, 1109–1116 (1977).
    [Crossref]
  13. C. Breton, C. DeMichelis, and M. Mattioli, “Ionization equilibrium and radiation cooling of a high-temperature plasma,” Report No. EUR-CEA-FC-853, 1–10 (1976) (unpublished).
  14. U. Feldman, G. A. Doschek, D. K. Prinz, and D. J. Nagel, “Space-resolved spectra of laser-produced plasmas in the XUV,” J. Appl. Phys. 47, 1341–1350 (1976).
    [Crossref]
  15. J. Davis (private communication, 1977).
  16. U. Feldman, G. A. Doschek, D. J. Nagel, W. E. Behring, and R. D. Cowan, “Laser-plasma spectra of highly ionized fluorine,” Astrophys. J. 187, 417–420 (1974).
    [Crossref]

1977 (3)

J. Reader and N. Acquista, “4s–4p Resonance Transitions in Highly-Ionized Cu- and Zn-like Ions,” Phys. Rev. Lett. 39, 184–187 (1977).
[Crossref]

K. T. Cheng and W. R. Johnson, “Excitation Energies and Line Strengths in the Mg Isoelectronic Sequence,” Phys. Rev. A 16, 263–272 (1977).
[Crossref]

P. Shorer, C. D. Lin, and W. R. Johnson, “Oscillator Strengths for the Magnesium Isoelectronic Sequence,” Phys. Rev. A 16, 1109–1116 (1977).
[Crossref]

1976 (3)

U. Feldman, G. A. Doschek, D. K. Prinz, and D. J. Nagel, “Space-resolved spectra of laser-produced plasmas in the XUV,” J. Appl. Phys. 47, 1341–1350 (1976).
[Crossref]

R. D. Cowan and D. C. Griffin, “Approximate relativistic corrections to atomic radial wavefunctions,” J. Opt. Soc. Am. 66, 1010–1014 (1976);R. D. Cowan, “Theoretical calculations of atomic spectra using digital computers,” J. Opt. Soc. Am. 58, 808–818 (1968).
[Crossref]

E. Hinnov, “Highly ionized atoms in tokamak discharges,” Phys. Rev. A 14, 1533–1541 (1976).
[Crossref]

1975 (4)

TFR Group, “Line radiation in the visible and ultraviolet in TFR Tokamak plasmas,” Nucl. Fusion 15, 1053–1066 (1975);TFR Group, “Ionization equilibrium and radiation losses in molybdenum in a high temperature plasma,” Report No. EUR-CEA-FC-861, 1–9 (1976) (unpublished).

E. V. Aglitskii, V. A. Boiko, S. A. Pikuz, and Ya. A. Faenov, “Identification of the spectra of laser plasmas of lithium-like ions of Ti, V, and Cr in the 8. 5–17 Å region,” Sov. J. Quant. Electron. 4, 956–962 (1975).
[Crossref]

J. P. Desclaux, “A multiconfiguration relativistic Dirac-Fock program,” Comput. Phys. Commun. 9, 31–45 (1975).
[Crossref]

B. C. Fawcett and R. W. Hayes, “Spectra in the period between copper and bromine produced with the aid of a 4 GW laser,” J. Opt. Soc. Am. 65, 623–627 (1975).
[Crossref]

1974 (1)

U. Feldman, G. A. Doschek, D. J. Nagel, W. E. Behring, and R. D. Cowan, “Laser-plasma spectra of highly ionized fluorine,” Astrophys. J. 187, 417–420 (1974).
[Crossref]

1973 (1)

Acquista, N.

J. Reader and N. Acquista, “4s–4p Resonance Transitions in Highly-Ionized Cu- and Zn-like Ions,” Phys. Rev. Lett. 39, 184–187 (1977).
[Crossref]

Aglitskii, E. V.

E. V. Aglitskii, V. A. Boiko, S. A. Pikuz, and Ya. A. Faenov, “Identification of the spectra of laser plasmas of lithium-like ions of Ti, V, and Cr in the 8. 5–17 Å region,” Sov. J. Quant. Electron. 4, 956–962 (1975).
[Crossref]

Behring, W. E.

U. Feldman, G. A. Doschek, D. J. Nagel, W. E. Behring, and R. D. Cowan, “Laser-plasma spectra of highly ionized fluorine,” Astrophys. J. 187, 417–420 (1974).
[Crossref]

W. E. Behring, R. J. Ugiansky, and U. Feldman, “High resolution rocket EUV solar spectrograph,” Appl. Opt. 12, 528–532 (1973).
[Crossref] [PubMed]

Boiko, V. A.

E. V. Aglitskii, V. A. Boiko, S. A. Pikuz, and Ya. A. Faenov, “Identification of the spectra of laser plasmas of lithium-like ions of Ti, V, and Cr in the 8. 5–17 Å region,” Sov. J. Quant. Electron. 4, 956–962 (1975).
[Crossref]

Breton, C.

C. Breton, C. DeMichelis, and M. Mattioli, “Ionization equilibrium and radiation cooling of a high-temperature plasma,” Report No. EUR-CEA-FC-853, 1–10 (1976) (unpublished).

Cheng, K. T.

K. T. Cheng and W. R. Johnson, “Excitation Energies and Line Strengths in the Mg Isoelectronic Sequence,” Phys. Rev. A 16, 263–272 (1977).
[Crossref]

Cowan, R. D.

Davis, J.

J. Davis (private communication, 1977).

DeMichelis, C.

C. Breton, C. DeMichelis, and M. Mattioli, “Ionization equilibrium and radiation cooling of a high-temperature plasma,” Report No. EUR-CEA-FC-853, 1–10 (1976) (unpublished).

Desclaux, J. P.

J. P. Desclaux, “A multiconfiguration relativistic Dirac-Fock program,” Comput. Phys. Commun. 9, 31–45 (1975).
[Crossref]

Doschek, G. A.

U. Feldman, G. A. Doschek, D. K. Prinz, and D. J. Nagel, “Space-resolved spectra of laser-produced plasmas in the XUV,” J. Appl. Phys. 47, 1341–1350 (1976).
[Crossref]

U. Feldman, G. A. Doschek, D. J. Nagel, W. E. Behring, and R. D. Cowan, “Laser-plasma spectra of highly ionized fluorine,” Astrophys. J. 187, 417–420 (1974).
[Crossref]

Faenov, Ya. A.

E. V. Aglitskii, V. A. Boiko, S. A. Pikuz, and Ya. A. Faenov, “Identification of the spectra of laser plasmas of lithium-like ions of Ti, V, and Cr in the 8. 5–17 Å region,” Sov. J. Quant. Electron. 4, 956–962 (1975).
[Crossref]

Fawcett, B. C.

Feldman, U.

U. Feldman, G. A. Doschek, D. K. Prinz, and D. J. Nagel, “Space-resolved spectra of laser-produced plasmas in the XUV,” J. Appl. Phys. 47, 1341–1350 (1976).
[Crossref]

U. Feldman, G. A. Doschek, D. J. Nagel, W. E. Behring, and R. D. Cowan, “Laser-plasma spectra of highly ionized fluorine,” Astrophys. J. 187, 417–420 (1974).
[Crossref]

W. E. Behring, R. J. Ugiansky, and U. Feldman, “High resolution rocket EUV solar spectrograph,” Appl. Opt. 12, 528–532 (1973).
[Crossref] [PubMed]

Griffin, D. C.

Hayes, R. W.

Hinnov, E.

E. Hinnov, “Highly ionized atoms in tokamak discharges,” Phys. Rev. A 14, 1533–1541 (1976).
[Crossref]

Johnson, W. R.

K. T. Cheng and W. R. Johnson, “Excitation Energies and Line Strengths in the Mg Isoelectronic Sequence,” Phys. Rev. A 16, 263–272 (1977).
[Crossref]

P. Shorer, C. D. Lin, and W. R. Johnson, “Oscillator Strengths for the Magnesium Isoelectronic Sequence,” Phys. Rev. A 16, 1109–1116 (1977).
[Crossref]

Kelly, R. L.

R. L. Kelly and L. J. Palumbo, Atomic and Ionic Emission Lines Below 2000 Ångströms-Hydrogen Through Krypton, Naval Research Laboratory Report No.7599 (U.S. GPO, Washington, D.C., 1973).

Klapisch, M.

M. Klapisch, R. Perel, and D. Weil, “Theoretical energy levels and wavelengths for some spectra of highly ionized molybdenum between Mo xl and Mo xxiv,” Report No. EUR-CEA-FC-827, 1–17 (1976) (unpublished).

Lin, C. D.

P. Shorer, C. D. Lin, and W. R. Johnson, “Oscillator Strengths for the Magnesium Isoelectronic Sequence,” Phys. Rev. A 16, 1109–1116 (1977).
[Crossref]

Mattioli, M.

C. Breton, C. DeMichelis, and M. Mattioli, “Ionization equilibrium and radiation cooling of a high-temperature plasma,” Report No. EUR-CEA-FC-853, 1–10 (1976) (unpublished).

Nagel, D. J.

U. Feldman, G. A. Doschek, D. K. Prinz, and D. J. Nagel, “Space-resolved spectra of laser-produced plasmas in the XUV,” J. Appl. Phys. 47, 1341–1350 (1976).
[Crossref]

U. Feldman, G. A. Doschek, D. J. Nagel, W. E. Behring, and R. D. Cowan, “Laser-plasma spectra of highly ionized fluorine,” Astrophys. J. 187, 417–420 (1974).
[Crossref]

Palumbo, L. J.

R. L. Kelly and L. J. Palumbo, Atomic and Ionic Emission Lines Below 2000 Ångströms-Hydrogen Through Krypton, Naval Research Laboratory Report No.7599 (U.S. GPO, Washington, D.C., 1973).

Perel, R.

M. Klapisch, R. Perel, and D. Weil, “Theoretical energy levels and wavelengths for some spectra of highly ionized molybdenum between Mo xl and Mo xxiv,” Report No. EUR-CEA-FC-827, 1–17 (1976) (unpublished).

Pikuz, S. A.

E. V. Aglitskii, V. A. Boiko, S. A. Pikuz, and Ya. A. Faenov, “Identification of the spectra of laser plasmas of lithium-like ions of Ti, V, and Cr in the 8. 5–17 Å region,” Sov. J. Quant. Electron. 4, 956–962 (1975).
[Crossref]

Prinz, D. K.

U. Feldman, G. A. Doschek, D. K. Prinz, and D. J. Nagel, “Space-resolved spectra of laser-produced plasmas in the XUV,” J. Appl. Phys. 47, 1341–1350 (1976).
[Crossref]

Reader, J.

J. Reader and N. Acquista, “4s–4p Resonance Transitions in Highly-Ionized Cu- and Zn-like Ions,” Phys. Rev. Lett. 39, 184–187 (1977).
[Crossref]

Shorer, P.

P. Shorer, C. D. Lin, and W. R. Johnson, “Oscillator Strengths for the Magnesium Isoelectronic Sequence,” Phys. Rev. A 16, 1109–1116 (1977).
[Crossref]

Ugiansky, R. J.

Weil, D.

M. Klapisch, R. Perel, and D. Weil, “Theoretical energy levels and wavelengths for some spectra of highly ionized molybdenum between Mo xl and Mo xxiv,” Report No. EUR-CEA-FC-827, 1–17 (1976) (unpublished).

Appl. Opt. (1)

Astrophys. J. (1)

U. Feldman, G. A. Doschek, D. J. Nagel, W. E. Behring, and R. D. Cowan, “Laser-plasma spectra of highly ionized fluorine,” Astrophys. J. 187, 417–420 (1974).
[Crossref]

Comput. Phys. Commun. (1)

J. P. Desclaux, “A multiconfiguration relativistic Dirac-Fock program,” Comput. Phys. Commun. 9, 31–45 (1975).
[Crossref]

J. Appl. Phys. (1)

U. Feldman, G. A. Doschek, D. K. Prinz, and D. J. Nagel, “Space-resolved spectra of laser-produced plasmas in the XUV,” J. Appl. Phys. 47, 1341–1350 (1976).
[Crossref]

J. Opt. Soc. Am. (2)

Nucl. Fusion (1)

TFR Group, “Line radiation in the visible and ultraviolet in TFR Tokamak plasmas,” Nucl. Fusion 15, 1053–1066 (1975);TFR Group, “Ionization equilibrium and radiation losses in molybdenum in a high temperature plasma,” Report No. EUR-CEA-FC-861, 1–9 (1976) (unpublished).

Phys. Rev. A (3)

E. Hinnov, “Highly ionized atoms in tokamak discharges,” Phys. Rev. A 14, 1533–1541 (1976).
[Crossref]

K. T. Cheng and W. R. Johnson, “Excitation Energies and Line Strengths in the Mg Isoelectronic Sequence,” Phys. Rev. A 16, 263–272 (1977).
[Crossref]

P. Shorer, C. D. Lin, and W. R. Johnson, “Oscillator Strengths for the Magnesium Isoelectronic Sequence,” Phys. Rev. A 16, 1109–1116 (1977).
[Crossref]

Phys. Rev. Lett. (1)

J. Reader and N. Acquista, “4s–4p Resonance Transitions in Highly-Ionized Cu- and Zn-like Ions,” Phys. Rev. Lett. 39, 184–187 (1977).
[Crossref]

Sov. J. Quant. Electron. (1)

E. V. Aglitskii, V. A. Boiko, S. A. Pikuz, and Ya. A. Faenov, “Identification of the spectra of laser plasmas of lithium-like ions of Ti, V, and Cr in the 8. 5–17 Å region,” Sov. J. Quant. Electron. 4, 956–962 (1975).
[Crossref]

Other (4)

M. Klapisch, R. Perel, and D. Weil, “Theoretical energy levels and wavelengths for some spectra of highly ionized molybdenum between Mo xl and Mo xxiv,” Report No. EUR-CEA-FC-827, 1–17 (1976) (unpublished).

R. L. Kelly and L. J. Palumbo, Atomic and Ionic Emission Lines Below 2000 Ångströms-Hydrogen Through Krypton, Naval Research Laboratory Report No.7599 (U.S. GPO, Washington, D.C., 1973).

C. Breton, C. DeMichelis, and M. Mattioli, “Ionization equilibrium and radiation cooling of a high-temperature plasma,” Report No. EUR-CEA-FC-853, 1–10 (1976) (unpublished).

J. Davis (private communication, 1977).

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Figures (1)

FIG. 1
FIG. 1

Densitometer tracing of the Mo spectrum from a laser-produced plasma in the 10–20 Å region.

Tables (3)

Tables Icon

TABLE I Experimental and calculated short-wavelength transitions in Mo xxxxxxii.

Tables Icon

TABLE II Experimental and calculated long-wavelength transitions in Mo xxxxxxii. Symbols: w, wide; p, perturbed by close line; u, unresolved from close line; c, complex.

Tables Icon

TABLE III Experimentally determined energy levels of Mo xxxii (Na-like).