24 February 2012 Optical gain and excitation phenomena in optically pumped alkali atom-rare gas mixtures
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Abstract
In this paper we present experimental results on several features of optically excited alkali atoms. We describe small signal gain measurements including spatially-resolved gain in atomic Cs. We discuss observations of numerous near- to mid-IR emissions from states that are higher in energy than the pump beam photons. Finally we outline a measurement scheme to determine the threshold pump intensities for two types of optically excited alkali lasers.
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Kristin L. Galbally-Kinney, Kristin L. Galbally-Kinney, Dan L. Maser, Dan L. Maser, William J. Kessler, William J. Kessler, Wilson T. Rawlins, Wilson T. Rawlins, Steven J. Davis, Steven J. Davis, } "Optical gain and excitation phenomena in optically pumped alkali atom-rare gas mixtures", Proc. SPIE 8238, High Energy/Average Power Lasers and Intense Beam Applications VI; Atmospheric and Oceanic Propagation of Electromagnetic Waves VI, 823805 (24 February 2012); doi: 10.1117/12.912863; https://doi.org/10.1117/12.912863
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