| 光折变晶体中二波耦合光强依赖皮秒光脉冲整形 |
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| 引用本文： | 佘卫龙,何穗荣,汪河洲,余振新,莫党. 光折变晶体中二波耦合光强依赖皮秒光脉冲整形[J]. 物理学报, 1995, 44(11): 1761-1765 |
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| 作者姓名： | 佘卫龙 何穗荣 汪河洲 余振新 莫党 |
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| 作者单位： | 中山大学激光与光谱学研究所,广州510275;中山大学激光与光谱学研究所,广州510275;中山大学激光与光谱学研究所,广州510275;中山大学激光与光谱学研究所,广州510275;中山大学物理系,广州510275 |
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| 摘 要： | 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.
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| 收稿时间： | 1994-08-03 |
INTENSITY DEPENDENT PICOSECOND LIGHT PULSE SHAPING IN PHOTOREFRACTIVE CRYSTAL BY TWO WAVE COUPLING |
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| YU WEI-LONG,HE HUI-RONG,WANG HE-ZHOU,YU ZHEN-XIN and MO DANG. INTENSITY DEPENDENT PICOSECOND LIGHT PULSE SHAPING IN PHOTOREFRACTIVE CRYSTAL BY TWO WAVE COUPLING[J]. Acta Physica Sinica, 1995, 44(11): 1761-1765 |
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| Authors: | YU WEI-LONG HE HUI-RONG WANG HE-ZHOU YU ZHEN-XIN MO DANG |
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| Abstract: | 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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