Abstract

The high-dispersion absorption spectrum of Ca I is reported for the 1430–1340 Å region. Observations include transitions from 4<i>s</i><sup>2</sup><sup>1</sup><i>S</i><sub>0</sub> to the <i>J</i> = 1° channels associated with the 4<i>p</i><sup>2</sup><i>P</i>° ion core of Ca II. Autoionization and channel mixing of the observed <i>J</i> = 1° channels are correlated using methods based on multichannel quantum defect theory.

© 1980 Optical Society of America

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  1. C. M. Brown, S. G. Tilford, and M. L. Ginter, "Absorption spectrum of Ca I in the 1580–2090 Å region," J. Opt. Soc. Am. 63, 1454–1462 (1973).
  2. T. J. McIlrath and J. L. Carlsten, "Production of large numbers of atoms in a selected excited state by laser optical pumping: calcium," J. Phys. B 6, 697–708 (1973).
  3. J. A. Armstrong, P. Esherick, and J. J. Wynne, "Bound even-parity J = 0 and 2 spectra of Ca: a multichannel quantum-defect theory analysis," Phys. Rev. A 15, 180–196 (1977).
  4. J. A. Armstrong, J. J. Wynne, and P. Esherick, "Bound, odd-parity J= 1 spectra of the alkaline earths: Ca, Sr, and Ba," J. Opt. Soc. Am. 69, 211–230 (1979).
  5. M. W. D. Mansfield and G. H. Newsom, "The Ca absorption spectrum in the vacuum ultraviolet: excitation of the 3p-subshell," Proc. R. Soc. London Sect. A 357, 77–102 (1977).
  6. M. W. D. Mansfield, "The Ca I absorption spectrum in the extreme ultraviolet: excitation of the 2p-subshell," Proc. R. Soc. London Sect. A 348, 143–151 (1976).
  7. R. W. Ditchburn and R. D. Hudson, "The absorption of light by calcium vapor (2100 to 1080 Å)," Proc. R. Soc. London Sect. A 256, 53–61 (1960).
  8. M. J. Seaton, "Quantum Defect Theory. I. General Formulation," Proc. Phys. Soc. London 88, 801–814 (1966).
  9. K. T. Lu and U. Fano, "Graphical analysis of perturbed Rydberg series," Phys. Rev. A 2, 81–86 (1970).
  10. C. M. Brown and M. L. Ginter (unpublished).
  11. C. E. Moore, Atomic Energy Levels, I, Natl. Bur. Stand. (U.S.) Circ. No. 467 (U.S. GPO, Washington, D.C., 1949), p. 246.
  12. C. M. Brown, R. H. Naber, S. G. Tilford, and M. L. Ginter, "High temperature furnance system for vacuum ultraviolet spectroscopic studies," Appl. Opt. 12, 1858–1864 (1973).
  13. C. M. Brown and M. L. Ginter, "Absorption spectrum of Mn I between 1305 and 2040 Å," J. Opt. Soc. Am. 68, 1541–1558 (1978); "Absorption spectrum of Au I between 1300 and 1900 Å," 68, 243–246 (1978), and references therein.
  14. C. M. Brown, S. G. Tilford, and M. L. Ginter, "Extended identifications of odd energy levels in Si I: Lu-Fano graphical analysis," J. Opt. Soc. Am. 65, 385–388 (1975).
  15. U. Feldman, C. M. Brown, G. Doschek, C. E. Moore, and F. D. Rosenberg, "XUV spectrum of C I observed from Skylab during a solar flare," J. Opt. Soc. Am. 66, 853–859 (1976).
  16. C. M. Brown, S. G. Tilford, and M. L. Ginter, "Absorption spectrum of Ge I between 1500 and 1900 Å," J. Opt. Soc. Am. 67, 584–606 (1977).
  17. C. M. Brown, S. G. Tilford, and M. L. Ginter, "Absorption spectrum of Sn I between 1580 and 2040 Å," J. Opt. Soc. Am. 67, 607–622 (1977).
  18. C. M. Brown, S. G. Tilford, and M. L. Ginter, "Absorption spectrum of Pb I between 1350 and 2041 Å," J. Opt. Soc. Am. 67, 1240–1251 (1977).
  19. C. M. Brown and M. L. Ginter, "Absorption spectrum of Ba I between 1770 and 1560 Å," J. Opt. Soc. Am. 68, 817–825 (1978).

1979

1978

1977

C. M. Brown, S. G. Tilford, and M. L. Ginter, "Absorption spectrum of Ge I between 1500 and 1900 Å," J. Opt. Soc. Am. 67, 584–606 (1977).

C. M. Brown, S. G. Tilford, and M. L. Ginter, "Absorption spectrum of Sn I between 1580 and 2040 Å," J. Opt. Soc. Am. 67, 607–622 (1977).

C. M. Brown, S. G. Tilford, and M. L. Ginter, "Absorption spectrum of Pb I between 1350 and 2041 Å," J. Opt. Soc. Am. 67, 1240–1251 (1977).

M. W. D. Mansfield and G. H. Newsom, "The Ca absorption spectrum in the vacuum ultraviolet: excitation of the 3p-subshell," Proc. R. Soc. London Sect. A 357, 77–102 (1977).

J. A. Armstrong, P. Esherick, and J. J. Wynne, "Bound even-parity J = 0 and 2 spectra of Ca: a multichannel quantum-defect theory analysis," Phys. Rev. A 15, 180–196 (1977).

1976

M. W. D. Mansfield, "The Ca I absorption spectrum in the extreme ultraviolet: excitation of the 2p-subshell," Proc. R. Soc. London Sect. A 348, 143–151 (1976).

U. Feldman, C. M. Brown, G. Doschek, C. E. Moore, and F. D. Rosenberg, "XUV spectrum of C I observed from Skylab during a solar flare," J. Opt. Soc. Am. 66, 853–859 (1976).

1975

1973

1970

K. T. Lu and U. Fano, "Graphical analysis of perturbed Rydberg series," Phys. Rev. A 2, 81–86 (1970).

1966

M. J. Seaton, "Quantum Defect Theory. I. General Formulation," Proc. Phys. Soc. London 88, 801–814 (1966).

1960

R. W. Ditchburn and R. D. Hudson, "The absorption of light by calcium vapor (2100 to 1080 Å)," Proc. R. Soc. London Sect. A 256, 53–61 (1960).

Armstrong, J. A.

J. A. Armstrong, J. J. Wynne, and P. Esherick, "Bound, odd-parity J= 1 spectra of the alkaline earths: Ca, Sr, and Ba," J. Opt. Soc. Am. 69, 211–230 (1979).

J. A. Armstrong, P. Esherick, and J. J. Wynne, "Bound even-parity J = 0 and 2 spectra of Ca: a multichannel quantum-defect theory analysis," Phys. Rev. A 15, 180–196 (1977).

Brown, C. M.

Carlsten, J. L.

T. J. McIlrath and J. L. Carlsten, "Production of large numbers of atoms in a selected excited state by laser optical pumping: calcium," J. Phys. B 6, 697–708 (1973).

Ditchburn, R. W.

R. W. Ditchburn and R. D. Hudson, "The absorption of light by calcium vapor (2100 to 1080 Å)," Proc. R. Soc. London Sect. A 256, 53–61 (1960).

Doschek, G.

Esherick, P.

J. A. Armstrong, J. J. Wynne, and P. Esherick, "Bound, odd-parity J= 1 spectra of the alkaline earths: Ca, Sr, and Ba," J. Opt. Soc. Am. 69, 211–230 (1979).

J. A. Armstrong, P. Esherick, and J. J. Wynne, "Bound even-parity J = 0 and 2 spectra of Ca: a multichannel quantum-defect theory analysis," Phys. Rev. A 15, 180–196 (1977).

Fano, U.

K. T. Lu and U. Fano, "Graphical analysis of perturbed Rydberg series," Phys. Rev. A 2, 81–86 (1970).

Feldman, U.

Ginter, M. L.

Hudson, R. D.

R. W. Ditchburn and R. D. Hudson, "The absorption of light by calcium vapor (2100 to 1080 Å)," Proc. R. Soc. London Sect. A 256, 53–61 (1960).

Lu, K. T.

K. T. Lu and U. Fano, "Graphical analysis of perturbed Rydberg series," Phys. Rev. A 2, 81–86 (1970).

Mansfield, M. W. D.

M. W. D. Mansfield and G. H. Newsom, "The Ca absorption spectrum in the vacuum ultraviolet: excitation of the 3p-subshell," Proc. R. Soc. London Sect. A 357, 77–102 (1977).

M. W. D. Mansfield, "The Ca I absorption spectrum in the extreme ultraviolet: excitation of the 2p-subshell," Proc. R. Soc. London Sect. A 348, 143–151 (1976).

McIlrath, T. J.

T. J. McIlrath and J. L. Carlsten, "Production of large numbers of atoms in a selected excited state by laser optical pumping: calcium," J. Phys. B 6, 697–708 (1973).

Moore, C. E.

U. Feldman, C. M. Brown, G. Doschek, C. E. Moore, and F. D. Rosenberg, "XUV spectrum of C I observed from Skylab during a solar flare," J. Opt. Soc. Am. 66, 853–859 (1976).

C. E. Moore, Atomic Energy Levels, I, Natl. Bur. Stand. (U.S.) Circ. No. 467 (U.S. GPO, Washington, D.C., 1949), p. 246.

Naber, R. H.

Newsom, G. H.

M. W. D. Mansfield and G. H. Newsom, "The Ca absorption spectrum in the vacuum ultraviolet: excitation of the 3p-subshell," Proc. R. Soc. London Sect. A 357, 77–102 (1977).

Rosenberg, F. D.

Seaton, M. J.

M. J. Seaton, "Quantum Defect Theory. I. General Formulation," Proc. Phys. Soc. London 88, 801–814 (1966).

Tilford, S. G.

Wynne, J. J.

J. A. Armstrong, J. J. Wynne, and P. Esherick, "Bound, odd-parity J= 1 spectra of the alkaline earths: Ca, Sr, and Ba," J. Opt. Soc. Am. 69, 211–230 (1979).

J. A. Armstrong, P. Esherick, and J. J. Wynne, "Bound even-parity J = 0 and 2 spectra of Ca: a multichannel quantum-defect theory analysis," Phys. Rev. A 15, 180–196 (1977).

Appl. Opt.

J. Opt. Soc. Am.

J. Phys. B

T. J. McIlrath and J. L. Carlsten, "Production of large numbers of atoms in a selected excited state by laser optical pumping: calcium," J. Phys. B 6, 697–708 (1973).

Phys. Rev. A

J. A. Armstrong, P. Esherick, and J. J. Wynne, "Bound even-parity J = 0 and 2 spectra of Ca: a multichannel quantum-defect theory analysis," Phys. Rev. A 15, 180–196 (1977).

K. T. Lu and U. Fano, "Graphical analysis of perturbed Rydberg series," Phys. Rev. A 2, 81–86 (1970).

Proc. Phys. Soc. London

M. J. Seaton, "Quantum Defect Theory. I. General Formulation," Proc. Phys. Soc. London 88, 801–814 (1966).

Proc. R. Soc. London Sect. A

M. W. D. Mansfield and G. H. Newsom, "The Ca absorption spectrum in the vacuum ultraviolet: excitation of the 3p-subshell," Proc. R. Soc. London Sect. A 357, 77–102 (1977).

M. W. D. Mansfield, "The Ca I absorption spectrum in the extreme ultraviolet: excitation of the 2p-subshell," Proc. R. Soc. London Sect. A 348, 143–151 (1976).

R. W. Ditchburn and R. D. Hudson, "The absorption of light by calcium vapor (2100 to 1080 Å)," Proc. R. Soc. London Sect. A 256, 53–61 (1960).

Other

C. M. Brown and M. L. Ginter (unpublished).

C. E. Moore, Atomic Energy Levels, I, Natl. Bur. Stand. (U.S.) Circ. No. 467 (U.S. GPO, Washington, D.C., 1949), p. 246.

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