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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 1, Iss. 2 — Apr. 1, 1984
  • pp: 314–316

The ionization potential of neutral iron, Fe I, by multistep laser spectroscopy

E. F. Worden, B. Comaskey, J. Densberger, J. Christensen, T. M. McAfee, T. A. Paisner, and J. G. Conway  »View Author Affiliations


JOSA B, Vol. 1, Issue 2, pp. 314-316 (1984)
http://dx.doi.org/10.1364/JOSAB.1.000314


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Abstract

Three-step laser excitation was used to populate and observe members of Rydberg series in neutral iron with high effective quantum numbers. These series converge to the ground and to the first excited state of singly ionized iron The photoionization threshold was also observed. Analyses of the Rydberg series yield the value 63 737(1) cm−1 or 7.9024(1) eV as the ionization potential of neutral iron.

© 1984 Optical Society of America

Citation
E. F. Worden, B. Comaskey, J. Densberger, J. Christensen, T. M. McAfee, T. A. Paisner, and J. G. Conway, "The ionization potential of neutral iron, Fe I, by multistep laser spectroscopy," J. Opt. Soc. Am. B 1, 314-316 (1984)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-1-2-314


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References

  1. C. Corliss and J. Sugar, "Energy Levels of Iron, Fe I through Fe XXVI," J. Phys. Chem. Data 11, 135–242 (1982); ionization potential from M. A. Catalan and R. Velasco, An. Real Soc. Espan. Fis. Quim. (Madrid) 48A, 247–266 (1952).
  2. C. E. Moore, Atomic Energy Levels, NSRDS-NBS 35 (U.S. Government Printing Office, Washington, D.C., 1971), Vol. II, pp. 49–54; ionization potential from H. N. Russell, C. E. Moore, and D. W. Weeks, Trans. Am. Phil. Soc. 34, Part 2, 111–207 (1944).
  3. L. R. Carlson, J. A. Paisner, E. F. Worden, S. A. Johnson, C. A. May, and R. W. Solarz, "Radiative lifetimes, absorption cross sections, and the observation of new high-lying odd levels of 238U using multistep laser photoionization," J. Opt. Soc. Am. 66, 846–853 (1976).
  4. R. W. Solarz, C. A. May, L. R. Carlson, E. F. Worden, S. A. Johnson, J. A. Paisner, and L. J. Radziemski, Jr., "Detection of Rydberg states in uranium using time-resolved stepwise laser photoionization," Phys. Rev. A14, 1129–1136 (1976).
  5. E. F. Worden, R. W. Solarz, J. A. Paisner, and J. G. Conway, "First ionization potentials of lanthanides by laser spectroscopy," J. Opt. Soc. Am. 68, 52–61 (1978).
  6. E. F. Worden and J. G. Conway, Multistep Laser Photoionization of the Lanthanides and Actinides, ACS Symposium Series No. 131, Lanthanide and Actinide Chemistry and Spectroscopy (American Chemical Society, Washington, D.C., 1980), pp. 381–425.
  7. W. R. S. Garton and M. Wilson, "Autoionization-broadened Rydberg Series in the Spectrum of La I," Astrophys. J. 145, 333–336 (1966).
  8. C. M. Brown, Naval Research Laboratory, Washington, D.C. (personal communication, September 1983).

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