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

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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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Poster Presentation

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