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39 W narrow spectral linewidth monolithic ytterbium-doped fiber MOPA system operating at 976 nm
Optics Letters
|March 13, 2020
Abstract:
We report on a monolithic narrow spectral linewidth master oscillator power amplifier (MOPA) delivering up to 39 W around 976 nm with very high contrast. The amplifier is based on an ytterbium-doped large mode area (LMA) octagonal double clad (DC) active fiber with parameters optimized for long living three-level operation.
