Investigation of thermal effects in a diode end-pumped Tm,Ho:YLF solid state laser

Xinlu Zhang; Yufeng Peng; YongFu Liu; Li Li; Bo Jiang

doi:10.1117/12.868372

16 November 2010 Investigation of thermal effects in a diode end-pumped Tm,Ho:YLF solid state laser

Xinlu Zhang, Yufeng Peng, YongFu Liu, Li Li, Bo Jiang

Proceedings Volume 7843, High-Power Lasers and Applications V; 78430D (2010) https://doi.org/10.1117/12.868372
Event: Photonics Asia 2010, 2010, Beijing, China

Abstract

Thermal effects have been investigated in the laser diode end-pumped Tm,Ho:YLF solid state laser. Under the condition that the pump light and the output laser are Gaussian distributions, the continuous wave rate equations of the Tm,Ho:YLF laser are given which take into energy transfer upconversion and ground state reabsorption effects. The fractional thermal loading and thermal focal length are obtained for different pump powers by solving the steady state rate equations. The thermal focal length as a function of pump power is measured by the knife edge method experimentally. Furthermore, the experimental results are compared with the theoretical results, and it is found that the theoretical results agree well with the experimental results.

Citation Download Citation

Xinlu Zhang, Yufeng Peng, YongFu Liu, Li Li, and Bo Jiang "Investigation of thermal effects in a diode end-pumped Tm,Ho:YLF solid state laser", Proc. SPIE 7843, High-Power Lasers and Applications V, 78430D (16 November 2010); https://doi.org/10.1117/12.868372

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