Xavier Délen, Stefan Piehler, Julien Didierjean, Andreas Voss, Marwan Abdou Ahmed, Thomas Graf, Francois Balembois, und Patrick Georges. 250 W single crystal fiber Yb:YAG laser. Lasers, Sources, and Related Photonic Devices, AM6A.2, Optical Society of America, 2012. [PUMA: FiberLaser HighPowerFiber Laser MasterOscillator PowerAmplifier SingleCrystalFiber YbYAG diodepumped] URL