Abstract

We have generated approximately 100 W of frequency doubled light from the output of an electro-optically Q-switched diode-pumped Nd:YAG slab laser oscillator operating at an average power of 200 W (2.5 kHz repetition rate, 80 mJ/pulse, 30 ns pulsewidth). The Q-switch was a compensated z-axis propagation LiNbO3 electro-optic modulator, and the frequency conversion crystal was a thin slab of KTP. In addition, Q-switched operation at an average power of approximately 250 W with 26 ns pulsewidths has been demonstrated.

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