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波长为532nm、主脉冲脉宽为55ps、重复频率为82MHz的激光脉冲列在掺Ce的KNSBN晶体中进行二波耦合.当探测脉冲(倒空脉冲)相对于泵浦脉冲有一定时间延迟时,泵浦脉冲发生整形.整形效果随入射总光强的增大而变得越来越明显.实验结果与理论符合很好.Pulse shaping by two wave coupling in Ce doped KNSBN crystal is realized with a frequency-doubled CW modelocked Nd:YAG laser whose output pulsewidth is about 55ps. When the total incident intensity is higher than 10W/cm2, the shaping effect becomes more and more prominent with increasing incident intensity. The experimental results show good quantitative agreement with theory.
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