20 October 2010 High power multi-wavelength infrared source
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Abstract
μWe report on a high-power semi-ruggedized laser source, which can deliver radiation in all infrared transmission bands from 2 to 10 μm. In the source a 70 W Tm-doped fiber laser pumps a Q-switched Ho:YAG laser, which produces 37 W of output power at 2.1 μm. The Ho-laser pumps two ZnGeP2 OPOs. The first generates a combined power of 14 W at 3.9 μm and 4.5 μm, and the second generates watt-level outputs at 2.8 μm and 8 μm. The OPOs have a novel V-shaped 3-mirror ring resonator design, which gives high efficiency and beam quality.
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Espen Lippert, Espen Lippert, Helge Fonnum, Helge Fonnum, Knut Stenersen, Knut Stenersen, } "High power multi-wavelength infrared source", Proc. SPIE 7836, Technologies for Optical Countermeasures VII, 78360D (20 October 2010); doi: 10.1117/12.864947; https://doi.org/10.1117/12.864947
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