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Proceedings Paper

Excitation of higher lying energy states in a rubidium DPAL
Author(s): A.J. Wallerstein; Glen Perram; Christopher A. Rice
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Paper Abstract

The spontaneous emission in a cw rubidium diode dumped alkali laser (DPAL) system was analyzed. The fluorescence from higher lying states decreases with additional buffer gas. The intermediate states (7S, 6P, 5D) decay more slowly with buffer gas and scale super-linearly with alkali density. A detailed kinetic model has been constructed, where the dominant mechanisms are energy pooling and single photon ionization. It also includes pumping into the non-Lorentzian wings of absorption profiles, fine structure mixing, collisional de-excitation, and Penning ionization. Effects of ionization in a high powered CW rubidium DPAL were assessed.

Paper Details

Date Published: 15 February 2018
PDF: 15 pages
Proc. SPIE 10511, Solid State Lasers XXVII: Technology and Devices, 105112J (15 February 2018); doi: 10.1117/12.2286888
Show Author Affiliations
A.J. Wallerstein, Air Force Institute of Technology (United States)
Glen Perram, Air Force Institute of Technology (United States)
Christopher A. Rice, Air Force Institute of Technology (United States)


Published in SPIE Proceedings Vol. 10511:
Solid State Lasers XXVII: Technology and Devices
W. Andrew Clarkson; Ramesh K. Shori, Editor(s)

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