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  • Vol. 14, Iss. 12 — Jun. 15, 1989
  • pp: 624–626

Efficient population inversion in excimer states by supersonic expansion of discharge plasmas

T. Efthimiopoulos, B. P. Stoicheff, and R. I. Thompson  »View Author Affiliations


Optics Letters, Vol. 14, Issue 12, pp. 624-626 (1989)
http://dx.doi.org/10.1364/OL.14.000624


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Abstract

Laser emission at 126 nm has been obtained from excimers of Ar2 excited electrically in a nozzle discharge followed by supersonic expansion. The direct measurement of light amplification with a tunable VUV probe leads to a gain of >3 cm−1. This high gain arises from efficient population inversion of low vibrational and rotational levels of the excimer state brought about by the supersonic expansion and cooling of the discharge plasma.

© 1989 Optical Society of America

History
Original Manuscript: March 2, 1989
Manuscript Accepted: April 6, 1989
Published: June 15, 1989

Citation
T. Efthimiopoulos, B. P. Stoicheff, and R. I. Thompson, "Efficient population inversion in excimer states by supersonic expansion of discharge plasmas," Opt. Lett. 14, 624-626 (1989)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-14-12-624


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