High power multi-wavelength infrared source

Espen Lippert; Helge Fonnum; Knut Stenersen

doi:10.1117/12.864947

20 October 2010 High power multi-wavelength infrared source

Espen Lippert, Helge Fonnum, Knut Stenersen

Proceedings Volume 7836, Technologies for Optical Countermeasures VII; 78360D (2010) https://doi.org/10.1117/12.864947
Event: SPIE Security + Defence, 2010, Toulouse, France

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.

Citation Download Citation

Espen Lippert, Helge Fonnum, and Knut Stenersen "High power multi-wavelength infrared source", Proc. SPIE 7836, Technologies for Optical Countermeasures VII, 78360D (20 October 2010); https://doi.org/10.1117/12.864947

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