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Pulsed lasers with nanosecond width and high repetition rate are widely used in many fields such as material processing, laser ranging, remote sensing and so on. Diode pumped Q-switched oscillator is a mostly used meathod to realize nanosecond pulsed lasers with a merit of high efficiency and good beam quality. Using the conventional Q-switched meathods, however, it is difficult to obtain short nanosecond...
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