7 May 2013 Spectroscopic characterization of various Yb3+ doped laser materials at cryogenic temperatures for the development of high energy class diode pumped solid state lasers
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Abstract
Precise values of absorption, emission and gain cross-sections of Yb:YAG, Yb:LuAG, Yb:CaF2 and Yb:FP15-glass at cryogenic temperatures are presented. To obtain the emission cross-sections two theoretical approaches were used. The first is the McCumber or reciprocity method (RM) which is based on the absorption spectra. The second is the Fuchtbauer-Ladenburg (FL) method using fluorescence spectra. From the results of cross-sections one can expect significant impact on laser performance on these materials especially in the case of high energy class diode pumped solid state lasers.
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Venkatesan Jambunathan, Venkatesan Jambunathan, Joerg Koerner, Joerg Koerner, Pawel Sikocinski, Pawel Sikocinski, Martin Divoky, Martin Divoky, Magdalena Sawicka, Magdalena Sawicka, Antonio Lucianetti, Antonio Lucianetti, Joachim Hein, Joachim Hein, Tomas Mocek, Tomas Mocek, } "Spectroscopic characterization of various Yb3+ doped laser materials at cryogenic temperatures for the development of high energy class diode pumped solid state lasers", Proc. SPIE 8780, High-Power, High-Energy, and High-Intensity Laser Technology; and Research Using Extreme Light: Entering New Frontiers with Petawatt-Class Lasers, 87800G (7 May 2013); doi: 10.1117/12.2016915; https://doi.org/10.1117/12.2016915
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