Free-running operation in a side-pumped Yb:YAG slab laser is reported. For maximum available pump pulse energy of 850 mJ at 967.7 nm delivered by a 2D laser diode stack with fast-axis-collimation, the output pulses with energy of 150 mJ at 1.03 µm were obtained. The laser system provides slope efficiency of 26.9% in room-temperature operation. The laser performance is described.

© 2013 Optical Society of America

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Poster Presentation

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