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本文介绍清华大学电机工程系研制的一种高强度软X光源,这种光源是由喷气式Z箍缩等离子体产生的。阐述了Z箍缩装置的工作原理,研究了装置的运行参数(如充电电压、充气密度等)对软X射线发射的影响。用热电堆测量了X射线的产额。并介绍了用无窗XRD(X射线二极管)测量脉冲x射线的初步结果:光源处的X射线总能量超过100J,发射时间约100ns,其功率达10~9W以上。
This article describes a high-intensity soft X-ray source developed by Department of Electrical Engineering, Tsinghua University, which is produced by a jet Z-pinch plasma. The working principle of Z-pinch device is expounded. The influence of the operating parameters of the device (such as charging voltage and aeration density) on the soft X-ray emission is studied. The thermopile measured the X-ray yield. The preliminary results of the pulse x-ray measurement using a windowless XRD (X-ray diode) are introduced. The total energy of the X-ray at the light source exceeds 100J and the emission time is about 100ns. The power reaches 10-9W.