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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Vol. 2, Iss. 4 — Apr. 1, 1985
  • pp: 522–526

Stimulated emission in laser-pumped magnesium vapor

P. D. Kleiber, A. M. Lyyra, S. P. Heneghan, and W. C. Stwalley  »View Author Affiliations

JOSA B, Vol. 2, Issue 4, pp. 522-526 (1985)

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We have observed stimulated emission on the transitions 43S1–33P°J near 518 nm following pulsed laser excitation of Mg vapor near the 31S0–31P°1 resonance at 285 nm. The emission has a divergence similar to the pump laser and closely follows the incident laser in time. The mechanism apparently involves pumping an accidental coincidence 31S0–31P°1 and 33P°J–53DJ, permitting depletion of the lower level of the triplet transition. Photoionization of the Mg vapor creates a large electron density (≲ 1013 cm−3); electron-impact collisions are presumed to mediate the process, transferring population from the laser-pumped 31P°l level to the triplet manifold.

© 1985 Optical Society of America

P. D. Kleiber, A. M. Lyyra, S. P. Heneghan, and W. C. Stwalley, "Stimulated emission in laser-pumped magnesium vapor," J. Opt. Soc. Am. B 2, 522-526 (1985)

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