10 W, 10 ns, 50 kHz all-fiber laser at 1.55 µm
Conference on Lasers and Electro-Optics 2012
Optical Society of America
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We report on an all-fiber, singlemode MOPA system at 1.55 µm producing 10-ns, 200-µJ pulses with 20 kW of peak power and utilize it to micromachine crystalline Si, which is largely transparent at this wavelength.