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12 March 2024 550 W picoseconds pulsed compact laser system based on a Yb-doped spun tapered double-clad fiber
Hossein Fathi, Evgenii Motorin, Florian Lindner, Andrey Grishchenko, Evgenii Gribanov, Katrin Wondraczek, Regina Gumenyuk, Valery Filippov
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Proceedings Volume 12865, Fiber Lasers XXI: Technology and Systems; 128651M (2024) https://doi.org/10.1117/12.3023308
Event: SPIE LASE, 2024, San Francisco, California, United States
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Abstract
We demonstrate the dramatic progress in Yb-doped spun tapered double-clad fiber amplifiers delivering up to 550 W of average power with single mode spatial profile and 50 ps pulses at 20 MHz repetition rate. The special geometrical architecture of the fiber enables the direct amplification of short pulses from tens of mW to hundreds of watt levels in a single amplification stage, leading towards the realization of a compact and highly efficient picosecond fiber-based laser system with excellent output spatial and temporal characteristics.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Hossein Fathi, Evgenii Motorin, Florian Lindner, Andrey Grishchenko, Evgenii Gribanov, Katrin Wondraczek, Regina Gumenyuk, and Valery Filippov "550 W picoseconds pulsed compact laser system based on a Yb-doped spun tapered double-clad fiber", Proc. SPIE 12865, Fiber Lasers XXI: Technology and Systems, 128651M (12 March 2024); https://doi.org/10.1117/12.3023308
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KEYWORDS
Laser systems engineering
Fiber lasers
Pulsed laser operation
Fiber amplifiers
Photonics
Tapered optical fibers
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