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Focusing multiple high-order harmonics in the extreme-ultraviolet and soft-x-ray regions by a platinum-coated ellipsoidal mirror

机译:通过镀铂金的椭球面镜在紫外线和软X射线区域聚焦多个高次谐波

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摘要

The focusability of multiple high-order harmonics in the extreme-ultraviolet and soft-x-ray regions is described, together with the design and performance of the ellipsoidal mirror used for this purpose. The mirror focuses intense coherent light in the spectral-region from 25 to 40 nm into a 2.4 (mu)m spot size with a focused peak intensity of 6 X 10~(13) W/cm~(2). The focal images indicate that a good beam profile is obtained with a near-Gaussian distribution and a beam quality factor (M~(2) value) as low as 2.4.
机译:描述了极紫外和软X射线区域中多个高次谐波的可聚焦性,以及用于此目的的椭圆镜的设计和性能。反射镜将25至40 nm的光谱区域中的强相干光聚焦为2.4μm的光斑,聚焦峰值强度为6 X 10〜(13)W / cm〜(2)。聚焦图像表明获得了良好的光束轮廓,具有近高斯分布并且光束质量因数(M〜(2)值)低至2.4。

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