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A Tm-doped fiber master-oscillator power-amplifier system that generates over 100 W of single frequency output in a near-diffraction-limited beam with an M2 parameter of 1.25 is described. The prospects for further increase in power are considered.
We report efficient operation of a narrow-linewidth master-oscillator power-amplifier (MOPA), based on a Tm-doped fiber distributed-feedback laser and two amplifier stages, in-band pumped at 1565nm. The MOPA yielded 10W of linearly-polarized single-frequency output at 1943nm.
We report efficient operation of a narrow-linewidth master-oscillator power-amplifier (MOPA), based on a Tm-doped fiber distributed-feedback laser and two amplifier stages, in-band pumped at 1565 nm. The MOPA yielded 10 W of linearly-polarized single-frequency output at 1943 nm.
25 mW-output-power-Er/Brillouin-oscillator and a periodically-poled optical fiber with a quasi-phase-matching resonance at 1.56 mum are the simplest way to realize nanosecond, all-fiber laser sources operating at ~778 nm and ~389 nm. 25 W-peak-power-pulse-train generated at ~778 nm with 120 mW-diode-pumping is reported.
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