A 621 W linearly polarized, near-diffraction-limited MOPA seeded by random fiber laser


We demonstrate a high-power linearly polarized random fiber laser (RFL) based on master oscillator power amplifier (MOPA) configuration. The maximum output power of 621 W is obtained with conversion efficiency of 73.6 %. Near-diffraction-limited beam quality and high polarization degree of 93.9 % are obtained at the maximum output power. To the best of our… (More)


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