Crystalline fiberlike diode-pumped laser systems offer a convenient way to obtain compact, robust, and efficient operation whenever long active media are required. One of these cases is the diode-pumped laser emitting at , where long crystals are needed to avoid the upconversion processes. By resonantly pumping the level around , and by confining the pump radiation into the crystal by total internal reflection, a maximum output power of in cw mode is reached when pumped with ~40 W of absorbed power. In Q-switching mode, pulse energies of more than were obtained at a repetition rate of , limited by coating damage.
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