1. Power Scaling of SM Fiber Lasers toward 10kW
2. Narrow linewidth, single mode 3 kW average power from a directly diode pumped ytterbium-doped low NA fiber amplifier
3. 2kW single-mode fiber laser with 20-m long delivery fiber and high SRS suppression;Mashiko,2016
4. High-brightness laser diode module over 300W with 100μm/Na 0.22 fiber;Kasai,2016