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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 5, Iss. 6 — Jun. 1, 1980
  • pp: 236–238

Ionization studies in laser-excited alkaline-earth vapors

J. P. Hermann and J. J. Wynne  »View Author Affiliations


Optics Letters, Vol. 5, Issue 6, pp. 236-238 (1980)
http://dx.doi.org/10.1364/OL.5.000236


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Abstract

We report on the time behavior of ionization signals produced by laser excitation of Ca and Ba atomic vapor to high-Rydberg states. A space-charge-limited thermionic diode detector shows a long-lived (>1-msec) ionization signal. However, optical detection of atomic ions (Ca+, Ba+) shows that these species live for much shorter times (<100 μsec). These results, in conjunction with published results on mass-spectrometric studies of high-density atomic beams, suggest that our ionization signal is primarily due to molecular species (Ca2+, Ba2+). We also observed optically pumped amplified spontaneous emission and stimulated electronic Raman scattering in Ca+ and Ba+.

© 1980 Optical Society of America

History
Original Manuscript: February 1, 1980
Published: June 1, 1980

Citation
J. P. Hermann and J. J. Wynne, "Ionization studies in laser-excited alkaline-earth vapors," Opt. Lett. 5, 236-238 (1980)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-5-6-236

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