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Photodarkening of kW-level Yb-doped Aluminosilicate (Al2O3-SiO2) Fiber

Authors :
Tianhong Qian
Jiacheng Wu
Kaijun Shu
Source :
Frontiers in Optics / Laser Science.
Publication Year :
2018
Publisher :
OSA, 2018.

Abstract

We reported on laser performance of a kW-level 20/400 Yb-doped aluminosilicate fiber. Laser running of ~120 minutes at 1.2kW showed power degradation of ~10.6% and slope efficiency degradation of ~116%, directly justifying serious photodarkening effect.

Details

Database :
OpenAIRE
Journal :
Frontiers in Optics / Laser Science
Accession number :
edsair.doi...........44e1c2e9cee738a428b3e3aaf6c246a7