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用二极管的凯尔镜头锁定了Yb:MgWO₄激光的模式

Hai-Yu Nie, Zhang-Lang Lin, Pavel Loiko

|January 31, 2025

概括

研究人员使用Yb:MgWO4.4开发了一种新型的胺激光器. 这种固态激光产生超短的32 fs单子脉冲,这是对添加的状晶体报告的最短的时间.

科学领域:

激光物理激光物理
固态激光器固态激光器
材料科学材料科学材料科学

背景情况:

添加的酸晶体对激光应用具有前景.
实现超短脉冲生成是激光技术的一个关键目标.

研究的目的:

为了演示第一个Kerr-lens模式锁定的固态激光,使用化多的单临单态 (Yb:MgWO4).
为了研究这种新型激光介质的超短脉冲生成能力.

主要方法:

用二极管的 Yb:MgWO4 激光系统.
软光圈凯尔镜头模式锁定技术.
脉冲持续时间和重复率的表征.

主要成果:

产生持续时间最短32 fs的孤独脉冲.
在波长为1079nm的波长下运行.
实现了大约68 MHz的脉冲重复率.

结论:

Yb:MgWO4是一种可行且有效的活性介质,用于产生超短激光脉冲.
展示的激光系统实现了迄今为止从任何添加的酸晶体中获得的最短脉冲.
这项工作为高性能超快激光开发开辟了新的途径.

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