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Proceedings Paper

XPAL theory and modeling with comparison to experiments
Author(s): David L. Carroll; Joseph T. Verdeyen; Andrew D. Palla
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Paper Abstract

The exciplex pumped alkali laser (XPAL) system has been demonstrated in mixtures of Cs vapor, Ar, with and without ethane, by pumping Cs-Ar atomic collision pairs and subsequent dissociation of diatomic, electronically-excited CsAr molecules (exciplexes or excimers). The blue satellites of the alkali D2 lines provide an advantageous pathway for optically pumping atomic alkali lasers on the principal series (resonance) transitions with broad linewidth (>2 nm) semiconductor diode lasers. The development of a simple theoretical analysis of continuous-wave XPAL systems is presented along with predictions as a function of temperature and pump intensity. The model predicts that an optical-tooptical efficiency in the range of 40-50% can be achieved for XPAL.

Paper Details

Date Published: 24 February 2012
PDF: 12 pages
Proc. SPIE 8238, High Energy/Average Power Lasers and Intense Beam Applications VI; Atmospheric and Oceanic Propagation of Electromagnetic Waves VI, 823804 (24 February 2012); doi: 10.1117/12.912896
Show Author Affiliations
David L. Carroll, CU Aerospace LLC (United States)
Joseph T. Verdeyen, CU Aerospace LLC (United States)
Andrew D. Palla, CU Aerospace LLC (United States)


Published in SPIE Proceedings Vol. 8238:
High Energy/Average Power Lasers and Intense Beam Applications VI; Atmospheric and Oceanic Propagation of Electromagnetic Waves VI
Steven J. Davis; Michael C. Heaven; J. Thomas Schriempf, Editor(s)

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