26 March 2015 Direct measurement of up-conversion processes in diode pumped erbium-doped YAG
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Abstract
Observation of the time dependence of the up-conversion fluorescence allows the determination of the relative importance of the excited state absorption and energy transfer up-conversion in 0.5% and 50% erbium-doped YAG. Pump radiation up to 10 kW/cm2 shows drastic changes in the effective life time of nearly all excited energy states.
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Brad Chun-Ting Liu, Brad Chun-Ting Liu, Ramesh K. Shori, Ramesh K. Shori, Oscar M. Stafsudd, Oscar M. Stafsudd, } "Direct measurement of up-conversion processes in diode pumped erbium-doped YAG", Proc. SPIE 9342, Solid State Lasers XXIV: Technology and Devices, 934226 (26 March 2015); doi: 10.1117/12.2189526; https://doi.org/10.1117/12.2189526
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