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Proceedings Paper

Temperature dependence of photodarkening kinetics
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Paper 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.

Paper Details

Date Published: 17 February 2010
PDF: 10 pages
Proc. SPIE 7580, Fiber Lasers VII: Technology, Systems, and Applications, 758009 (17 February 2010); doi: 10.1117/12.845846
Show Author Affiliations
M. Leich, IPHT Jena (Germany)
S. Jetschke, IPHT Jena (Germany)
S. Unger, IPHT Jena (Germany)
J. Kirchhof, IPHT Jena (Germany)

Published in SPIE Proceedings Vol. 7580:
Fiber Lasers VII: Technology, Systems, and Applications
Kanishka Tankala, Editor(s)

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