Penumbral imaging of Kα radiation source

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Abstract
At the SILEX-Ⅰlaser facility， penumbral imaging technique was used to record a Kα source in two dimensions. Due to the fact that the source was produced via the interaction between ultrashort-ultraintensity laser and ‘Velvet’ target， we can obtain high quality Kα source images. More details about the source spatial distributions can be deduced from the two-dimensional imaging than that from the one-dimensional imaging such as knife edge imaging.

Keywords:
Kα source /

penumbral imaging /

nanostructure target
Authors and contacts
Wang Jian³,

Zhao Zong-Qing²,

Cai Da-Feng¹,

Huang Wen-Zhong²,

He Ying-Ling²,

Gu Yu-Qiu²

(1)内江师范学院物理与电子信息工程学院，内江 641112; (2)中国工程物理研究院激光聚变研究中心，绵阳 621900; (3)中国工程物理研究院激光聚变研究中心，绵阳 621900；内江师范学院物理与电子信息工程学院，内江 641112
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