Abstract
A new model on quasi-three-level end-pumped CW Yb:YAG lasers is proposed. The presented model is expected and proved to be more accurate than previously published works on this subject as it is capable of dealing with end-pumped laser systems in the situation that non-uniform longitudinal temperature distribution exists along the laser rod, which is in fact always be true. To illustrate the utility of the derived equations, a diode end-pumped kilowatt class CW Yb:YAG laser is examined. By comparing with the former study, the presented model shows output power reductions of about 15.7 and 8.9% for single- and double-pass pumping geometries, respectively.
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Li, C., Liu, Q., Gong, M. et al. Modeling of End-Pumped CW Yb:YAG Lasers Exhibiting Non-Uniform Temperature Distribution. Optical and Quantum Electronics 36, 745–758 (2004). https://doi.org/10.1023/B:OQEL.0000039616.43468.fc
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DOI: https://doi.org/10.1023/B:OQEL.0000039616.43468.fc