【摘 要】
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We present the design and experimental results for a diode pumped Nd:YLF regenerative amplifier applied to amplify a nanosecond laser pulse.Numerical simulation
【机 构】
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Shanghai Institute of opties and Fine Mechanics,Chinese Academy of Sciences,Shanghai,201800
论文部分内容阅读
We present the design and experimental results for a diode pumped Nd:YLF regenerative amplifier applied to amplify a nanosecond laser pulse.Numerical simulation shows that the maximum output energy and the best stability can be obtained when the regenerative amplifier operates in a saturated mode for all pulse duration and temporal profiles.Using extra post-pulse is a good method to decrease the square-pulse distortion caused by gain saturation effect.The amplifier shows output energy of 4.2mJ with a total energy gain of more than 107 and output energy stability of better than 1% rms.When extra post-pulse is added,square-pulse distortion is decreased from 1.33 to 1.17 for the amplifier that is seeded with an optical pulse of 3 ns.
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