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超短超强激光波前修正 被引量:1

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摘要 对自适应波前修正系统进行了探讨和研究,并将其应用于20TW的CPA激光放大装置中.在没有进行波前修正前,该激光系统输出的激光光束的波前畸变的P-V值约为20λ对应的光束质量约为3.5倍的衍射极限;使用自适应波前修正系统后,激光光束的波前畸变的P-V值达到了0.15λ相应的光束质量改进到了1.5倍的衍射极限,不仅使同样能量的超强飞秒激光的可聚焦功率密度提高了约1个数量级,而且也明显地改善了聚焦激光与周围背景的对比度.
出处 《中国科学(G辑)》 CSCD 2004年第6期620-627,共8页
基金 国家重点基础研究项目基金(批准号:G1999075202)国家自然科学基金(批准号:60225005 60308001)国家惯性约束核聚变高技术主题基金资助项目
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同被引文献12

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