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18 March 2013 Doped sesquioxide ceramic for eye-safe solid state laser materials
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In this paper, we present our recent results in the development of Ho3+ doped sesquioxides for eye-safe solid state lasers. We have synthesized optical quality Lu2O3 nanopowders doped with concentrations of 0.1, 1.0, 2.0, and 5% Ho3+. The powders were synthesized by a co-precipitation method beginning with nitrates of holmium and lutetium. The nanopowders were hot pressed into optical quality ceramic discs. The optical transmission of the ceramic discs is excellent, nearly approaching the theoretical limit. The optical, spectral and morphological properties as well as the lasing performance from highly transparent ceramics are presented.
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Woohong Kim, Colin Baker, Catalin Florea, Jesse Frantz, Guillermo Villalobos, Brandon Shaw, Steve Bowman, Shawn O'Connor, Bryan Sadowski, Michael Hunt, Ishwar Aggalwar, and Jasbinder Sanghera "Doped sesquioxide ceramic for eye-safe solid state laser materials", Proc. SPIE 8599, Solid State Lasers XXII: Technology and Devices, 85990J (18 March 2013);

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