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Conferences > CLEO_SI > 2018 > STu3K > STu3K.4

Demonstration the single mode performance of all-solid large mode area center-sunken cladding-trench fiber

Yehui Liu, Fangfang Zhang, Nan Zhao, Haiqing Li, Luyun Yang, Nengli Dai, and Jinyan Li

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Abstract

We report a novel center-sunken and cladding-trenched Yb-doped fiber. A 456 W laser output was observed in a MOPA structure. The laser slope efficiency was measured to be 79% and the M2 was 1.17.

© 2018 The Author(s)

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