【作者】 李晶； 黄显宾； 朱效立； 段书超； 杨礼兵； 谢卫平；

【Author】 LI Jing~(1,2),HUANG Xian-bin~2,ZHU Xiao-li~3,DUAN Shu-chao~2,YANG Li-bing~2,XIE Wei-ping~2 (1.Department of Engineering Physics,Tsinghua University,Beijing 100084,China; 2.Institute of Fluid Physics,CAEP,Mianyang of Sichuan Prov.621900,China; 3.Key Laboratory of Nano-fabrication and Novel Devices Integrated technology, Institute of Microelectronics,CAS,Beijing 100029,China)

【机构】 清华大学工程物理系； 中国工程物理研究院流体物理研究所； 中国科学院微电子研究所纳米加工与新器件集成技术实验室；

【摘要】 研制了一台用于Z箍缩X光辐射能谱诊断的透射光栅谱仪。该谱仪配备了高线密度金透射光栅(3 333线/mm)作为分光元件,使用X光CCD记录时间积分光谱图像。在谱仪结构中引入了两个相互垂直的狭缝,一个用于实现光谱图像的一维空间分辨;另一个与光栅相配合后具有准直入射X光的作用,用来提高谱仪的分辨率。使用该谱仪对"阳"加速器Z箍缩实验的X光辐射进行了测量,当使用铝丝阵作为负载时,测得了铝的K壳层辐射和类Li离子的线谱辐射,并且通过将光谱图像与X光针孔相机的测量结果相比较,观察到了"热点"区域放出的较强的K壳层辐射。更多还原

【Abstract】 A transmission grating spectrometer has been fabricated for the study of x-ray radiations from z-pinch plasma.The spectrometer contains a 3 333 1p/mm gold transmission grating and an x-ray CCD to record time-integral spectral images. Two slits are employed in the spectrometer.One is used for ID space resolving and the other,working together with the grating’s entrance slit,can collimate the incident x-rays,improving the spectral resolution of the spectrometer.The spectrometer has been used in Z-pinch experiments performed on Yang accelerator.When using Al wire arrays as z-pinch loads,the Al K-shell lines and lines from Li-like ions were observed.And by comparing the spectral image with the image obtained from an x-ray pinhole camera,the K-shell radiations emitted from the "hot spot" region were recorded.更多还原