22 April 2016 Advancements in flowing diode pumped alkali lasers
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Abstract
Multiple variants of the Diode Pumped Alkali Laser (DPAL) have recently been demonstrated at the Air Force Research Laboratory (AFRL). Highlights of this ongoing research effort include: a) a 571W rubidium (Rb) based Master Oscillator Power Amplifier (MOPA) with a gain (2α) of 0.48 cm-1, b) a rubidium-cesium (Cs) Multi-Alkali Multi-Line (MAML) laser that simultaneously lases at both 795 nm and 895 nm, and c) a 1.5 kW resonantly pumped potassium (K) DPAL with a slope efficiency of 50%. The common factor among these experiments is the use of a flowing alkali test bed.
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Greg A. Pitz, Donald M. Stalnaker, Eric M. Guild, Benjamin Q. Oliker, Paul J. Moran, Steven W. Townsend, David A. Hostutler, "Advancements in flowing diode pumped alkali lasers", Proc. SPIE 9729, High Energy/Average Power Lasers and Intense Beam Applications IX, 972902 (22 April 2016); doi: 10.1117/12.2217078; https://doi.org/10.1117/12.2217078
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