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Conferences > CLEO_SI > 2021 > AW4D > AW4D.4

Simple one-step-tapering 20μm-to-50μm monolithic MFA for long-distance high-power laser transmission applications

Rumao Tao, Yu Liu, Lianghua Xie, Chun Zhang, Wenjie Wu, Shan Huang, Huaqing Song, Min Li, Xi Feng, Benjian Shen, Honghuan Lin, Jianjun Wang, and Feng Jing

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Abstract

A 20μm-to-50μm monolithic MFA has been designed and fabricated by only one-step-tapering. With the MFA, 1kW laser beam with nearly diffraction-limited beam quality has been demonstrated after 15m propagation in highly multimode 50μm/0.11 NA fiber with different bend diameters.

© 2021 The Author(s)

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