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Conferences > CLEO_QELS > 2018 > JTh2A > JTh2A.129

Fabrication of Low Loss Low-NA Highly Yb-doped Aluminophosphosilicate Fiber for High Power Fiber Lasers

R. Sidharthan, S. H. Lim, K. J. Lim, D. Ho, C. H. Tse, J. Ji, H. Li, Y. M. Seng, S. L. Chua, and S. Yoo

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Abstract

We report fabrication and characterization of photodarkening-suppressed highly Yb-doped step-index fibers. The fiber contains 2.9wt% of Yb and has background loss of ~10dB/km. The fiber generates >100 W laser output power with 75% slope efficiency.

© 2018 The Author(s)

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