Focusing a multimillijoule soft x-ray laser at 21 nm
Focusing a multimillijoule soft x-ray laser at 21 nm
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将毫焦耳软 X 射线激光聚焦在 21 nm
DOI：
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发表时间：
2006
期刊：
影响因子：
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通讯作者：
L. Juha
中科院分区：
文献类型：
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作者：
T. Mocek;B. Rus;M. Stupka;M. Kozlová;A. Präg;J. Polan;M. Bittner;R. Sobierajski;L. Juha
作者使用球形Mo：Si多层膜反射镜将目前最强大的软X射线激光束聚焦在21 nm。通过在掺杂Tb的荧光屏上成像由软X射线束诱导的荧光来直接观察焦斑。40×60μm2焦斑内的能量密度为48J scincm 2，对应于5×1011W scincm 2的辐射峰值强度。报道了用21nm激光烧蚀材料的首次观测结果。
The authors focused the beam of currently the most powerful soft x-ray laser at 21nm using a spherical Mo:Si multilayer mirror. Focal spots were directly observed by imaging the fluorescence induced by the soft x-ray beam on a Tb doped phosphor screen. The energy density within the 40×60μm2 focal spot was 48J∕cm2, which corresponds to radiation peak intensity of 5×1011W∕cm2. The first observation of material ablation with a laser at 21nm is reported.