【摘要】 介绍了Z-pinch实验用软X光功率仪的测量原理,利用“强光一号”产生的强脉冲软X光对薄塑料闪烁体(40 mm×0.1 mm)进行了辐照。实验中,采用两套软X光功率仪并安装在同一个大法兰面上,其中一套作为标准系统,参数保持不变,另一套系统的狭缝宽度逐渐增加,以改变软X光辐照到闪烁体上的能量通量密度。测量了软X光的辐射功率,由此计算得到在强脉冲软X光辐照下发光线性输出时能量通量密度下限,为1.47×105W/cm2,为以后在Z-pinch物理诊断中合理安排探测系统提供了实验依据,使诊断结果更加合理和准确。更多还原

【Abstract】 The basic principle of soft X-ray power meter is introduced in the paper and the experimental process and the result of thin plastic scintillator linear luminescence under intense soft X-ray irradiation are described.A range of flux density of energy for thin plastic scintillator linear luminescence under intense soft X-ray irradiation is included.The upper limit of the flux density is 1.47×10~5 W/cm~2.更多还原