9 June 2014 Holmium-doped laser materials for eye-safe solid state laser application
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Trivalent holmium has 14 laser channels from 0.55 to 3.9 μm. The laser emission of most interest is the transition 5I75I8 near 2 μm because of its potential for use in eye-safe systems and medical applications. In this paper, we present our recent results in the development of Ho3+ doped laser materials for eye-safe solid state lasers. We report a calorimetric study of non-radiative losses in two micron pumped holmium doped laser host materials such as silica glass, yttrium aluminum garnet (YAG) crystal and Lu2O3 ceramics. Optical, spectral and morphological properties as well as the lasing performance from highly transparent ceramics are presented.
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Woohong Kim, Woohong Kim, Steven R. Bowman, Steven R. Bowman, Colin Baker, Colin Baker, Guillermo Villalobos, Guillermo Villalobos, Brandon Shaw, Brandon Shaw, Bryan Sadowski, Bryan Sadowski, Michael Hunt, Michael Hunt, Ishwar Aggarwal, Ishwar Aggarwal, Jasbinder Sanghera, Jasbinder Sanghera, "Holmium-doped laser materials for eye-safe solid state laser application", Proc. SPIE 9081, Laser Technology for Defense and Security X, 908105 (9 June 2014); doi: 10.1117/12.2050922; https://doi.org/10.1117/12.2050922

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