Abstract

In this Letter, a high-power diode-side-pumped Nd:YAG laser emitting at 1338nm is described. The output characteristics of the laser using the different output couplers for both the cw mode and the Q-switched mode have been studied. With a pumping power of 555W, the average output power decreases from 70W at 50kHzto55W (slope efficiency 21.2%, optical conversion efficiency 10%) at 5kHz. The highest peak power is up to 73kW with the pulse duration of 150ns at the repetition rate of 5kHz. When operated in cw mode, the output power of 100.5W was achieved, corresponding with the optical slope efficiency of 36%.

© 2009 Optical Society of America

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