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Single-frequency master-oscillator fiber power amplifier system emitting 20 W of power |
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| Authors: | Höfer S Liem A Limpert J Zellmer H Tünnermann A Unger S Jetschke S Müller H R Freitag I |
| Abstract: | We report a master-oscillator fiber power-amplifier system consisting of a diode-pumped monolithic nonplanar ring laser as the master oscillator and a Yb-doped large-mode-area double-clad fiber as the power amplifier. The system emits up to 20.1 W of single-frequency radiation at a wavelength of 1064 nm with diffraction-limited beam quality (M(2) |
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