阿秒激光脉冲的产生与操控

被引：4

作者：

兰鹏飞

陆培祥

机构：

[1] 华中科技大学物理学院武汉光电国家研究中心

来源：

科学通报 | 2021年 / 08期

关键词：

阿秒脉冲; 高次谐波; 偏振控制; 少周期激光脉冲;

D O I：

暂无

中图分类号：

TN24 [激光技术、微波激射技术];

学科分类号：

0803 ; 080401 ; 080901 ;

摘要：

随着激光技术的发展,激光的脉宽不断减小. 21世纪初,研究者首次突破飞秒的界限,在实验室产生了孤立的阿秒脉冲,由此打开了阿秒科学的大门.目前最短的激光脉宽达到了43 as,这为超快光学测量带来了前所未有的时间分辨率,阿秒科学也成为近20年来超快光学领域最重要的成就之一.虽然少周期驱动光、偏振选通、双色光等多种方案已经被用于调控阿秒脉冲的产生,许多调控阿秒光源椭偏率的方法也得到了证实,但如何提升阿秒脉冲的能量及产生圆偏振阿秒脉冲仍然是当前研究的热点.

引用

页码：847 / 855

页数：9

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