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Long-term-stable Thulium-doped Fiber CPA with >100W average power and >1GW peak power

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Abstract

We present the first thulium-doped fiber CPA delivering >100 W average-power and simultaneously >1 GW of peak-power with >228 µJ energy and <120 fs duration at 1940 nm center wavelength. It shows an excellent long-term power stability <0.5% RMS over >48 hours.

© 2020 The Author(s)

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