Temperature dependence of photodarkening kinetics

M. Leich; S. Jetschke; S. Unger; J. Kirchhof

doi:10.1117/12.845846

17 February 2010 Temperature dependence of photodarkening kinetics

M. Leich, S. Jetschke, S. Unger, J. Kirchhof

Proceedings Volume 7580, Fiber Lasers VII: Technology, Systems, and Applications; 758009 (2010) https://doi.org/10.1117/12.845846
Event: SPIE LASE, 2010, San Francisco, California, United States

Abstract

We report on the characterization of photodarkening (PD) kinetics at Yb-doped fiber samples, inducing the PD loss by core-pumping at 975 nm with respect to different fiber temperatures in the range of 77 to 770 K. The thermal dependency of important PD parameters is presented. Additionally, we introduce a phenomenological model to include thermal and recovery effects in the description of the PD loss evolution and to improve the understanding of the PD process.

Citation Download Citation

M. Leich, S. Jetschke, S. Unger, and J. Kirchhof "Temperature dependence of photodarkening kinetics", Proc. SPIE 7580, Fiber Lasers VII: Technology, Systems, and Applications, 758009 (17 February 2010); https://doi.org/10.1117/12.845846

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