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4 March 2022 Novel extra-large mode area Yb-doped fibers for high energy and high average power industrial laser systems
Joshua Bradford, Mike Conroy, Mark Goldsmith, Adrian Carter, Kanishka Tankala, Clémence Jollivet
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Proceedings Volume PC11981, Fiber Lasers XIX: Technology and Systems; PC1198105 (2022) https://doi.org/10.1117/12.2609159
Event: SPIE LASE, 2022, San Francisco, California, United States
Abstract
Novel extra-large mode area active and passive fibers deigned to achieve up to 100 mJ and > 1 kW output power in industrial fiber laser systems will be presented. Three Yb-doped XLMA fiber sizes will be proposed, able to offer high extraction efficiency, MW peak power handling, manageable thermal load, excellent spliceability and stable beam profile. Fiber performance capabilities will be discussed with numerical simulation results. Active and passive fiber prototypes will be manufactured and tested. Key design aspects and performances including efficiency, beam profile, cladding absorption and photodarkening will be reported.
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Joshua Bradford, Mike Conroy, Mark Goldsmith, Adrian Carter, Kanishka Tankala, and Clémence Jollivet "Novel extra-large mode area Yb-doped fibers for high energy and high average power industrial laser systems", Proc. SPIE PC11981, Fiber Lasers XIX: Technology and Systems, PC1198105 (4 March 2022); https://doi.org/10.1117/12.2609159
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KEYWORDS
Optical fibers
Laser systems engineering
Fiber lasers
Energy efficiency
Fiber amplifiers
Manufacturing
Materials processing
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