OSA's Digital Library

Optics Letters

Optics Letters


  • Vol. 9, Iss. 5 — May. 1, 1984
  • pp: 168–170

Quasi-metastable quartet levels in alkalilike atoms and ions

S. E. Harris, D. J. Walker, R. G. Caro, A. J. Mendelsohn, and R. D. Cowan  »View Author Affiliations

Optics Letters, Vol. 9, Issue 5, pp. 168-170 (1984)

View Full Text Article

Enhanced HTML    Acrobat PDF (321 KB)

Browse Journals / Lookup Meetings

Browse by Journal and Year


Lookup Conference Papers

Close Browse Journals / Lookup Meetings

Article Tools



We describe the properties of as subclass of quartet levels of alkalilike atoms and ions that often retain metastability against autoionization and may have large radiative yields. Gain cross sections for XUV lasers with wavelengths between 20 and 100 nm are given.

© 1984 Optical Society of America

Original Manuscript: January 5, 1984
Manuscript Accepted: February 14, 1984
Published: May 1, 1984

S. E. Harris, R. D. Cowan, D. J. Walker, R. G. Caro, and A. J. Mendelsohn, "Quasi-metastable quartet levels in alkalilike atoms and ions," Opt. Lett. 9, 168-170 (1984)

Sort:  Author  |  Year  |  Journal  |  Reset  


  1. P. Feldman, R. Novick, “Autoionizing states in the alkali atoms with microsecond lifetimes,” Phys. Rev. 160, 143 (1967). [CrossRef]
  2. S. E. Harris, “Proposal for a 207-Å laser in lithium,” Opt. Lett. 5, 1 (1980); and J. E. Rothenberg, S. E. Harris, “XUV lasers by quartet to doublet energy transfer in alkali atoms,” IEEE J. Quantum Electron. QE-17, 418 (1981). [CrossRef] [PubMed]
  3. R. D. Cowan, The Theory of Atomic Structure and Spectra (U. California Press, Berkeley, Calif., 1981), Secs. 8-1, 16-1, and 18-7.
  4. J. P. Connerade, M. W. D. Mansfield, G. H. Newsom, D. H. Tracy, M. A. Baig, K. Thimm, “A study of 5p excitation in atomic barium. I. The 5p absorption spectra of Ba I, Cs I and related elements,” Phil. Trans. R. Soc. London Ser. A 290, 327 (1979); S. J. Rose, I. P. Grant, J. P. Connerade, “A study of 5p excitation in atomic barium. II. A fully relativistic analysis of 5p excitation in atomic barium,” Phil. Trans. R. Soc. London Ser. A 296, 41 (1980). [CrossRef]
  5. I. S. Aleksakhin, G. G. Bogachev, I. P. Zapesochnyl, S. Yu. Ugrin, “Experimental investigations of radiative decay of autoionizing states of alkali and alkaline earth elements,” Sov. Phys. JETP 53, 1140 (1981).
  6. Yu. V. Zhmenyak, V. S. Vukstich, I. P. Zapesochnyl, “Radiative decay of Na I autoionization states excited in electron–atom collisions,” Pis’ma Zh. Eksp. Teor. Fiz. 35, 321 (1982).
  7. E. J. McGuire, “The L-MM Auger spectra of Na and Mg,” Phys. Rev. A 14, 1402 (1976). [CrossRef]
  8. R. G. Caro, J. C. Wang, R. W. Falcone, J. F. Young, S. E. Harris, “Soft x-ray pumping of metastable levels of Li+,” Appl. Phys. Lett. 42, 9 (1983). [CrossRef]
  9. W. T. Silfvast, J. J. Macklin, O. R. Wood, “High-gain inner-shell photoionization laser in Cd vapor pumped by soft-x-ray radiation from a laser-produced plasma source,” Opt. Lett. 8, 551 (1983). [CrossRef] [PubMed]

Cited By

Alert me when this paper is cited

OSA is able to provide readers links to articles that cite this paper by participating in CrossRef's Cited-By Linking service. CrossRef includes content from more than 3000 publishers and societies. In addition to listing OSA journal articles that cite this paper, citing articles from other participating publishers will also be listed.


Fig. 1

« Previous Article  |  Next Article »

OSA is a member of CrossRef.

CrossCheck Deposited