Single mode 2.4kW part-doped ytterbium fiber fabricated by modified chemical vapor deposition technique

Biao Wang; Lu Pang; Jun Liu

doi:10.1117/12.2551991

31 January 2020 Single mode 2.4kW part-doped ytterbium fiber fabricated by modified chemical vapor deposition technique

Biao Wang, Lu Pang, Jun Liu

Proceedings Volume 11427, Second Target Recognition and Artificial Intelligence Summit Forum; 114271X (2020) https://doi.org/10.1117/12.2551991
Event: Second Target Recognition and Artificial Intelligence Summit Forum, 2019, Changchun, China

Abstract

In this contribution, we fabricate a kind of part-doped yb fiber with 30/400μm core/cladding diameter by Modified Chemical Vapor Deposition (MCVD) in conjunction with chelate gas deposition technique. The yb ions doping diameter is 20μm in the fiber core and the core numerical aperture (NA) is 0.061. The fiber with a 50cm coiling diameter is characterized in a master oscillator power amplifier configuration, 2.42kW laser output with an excellent beam quality factor (M²~1.32) is experimentally obtained. For our best known, it is the first time to fabricate part-doped yb fibers by MCVD with chelate gas deposition method.

Citation Download Citation

Biao Wang, Lu Pang, and Jun Liu "Single mode 2.4kW part-doped ytterbium fiber fabricated by modified chemical vapor deposition technique", Proc. SPIE 11427, Second Target Recognition and Artificial Intelligence Summit Forum, 114271X (31 January 2020); https://doi.org/10.1117/12.2551991

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