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在“神光”装置上对几种类型的空腔靶进行了激光打靶实验,我们利用亚千X光透射光栅谱仪(TGS)、针孔相机(PC)、以及平响应X光二极管(P-XRD)对激光等离子体X光发射特性进行了研究。基本上弄清了空腔靶源区、向爆区X光发射特性。为激光间接驱动内爆的理论数值模拟和靶的优化设计提供了实验依据。
Several types of cavity targets were laser-scaled on a “SG” device. We used TGS, pinhole camera (PC), and flat response X-ray diode -XRD) on the X-ray emission characteristics of laser plasma were studied. Basically, the source region of the cavity is clarified and the X-ray emission characteristics of the burst area are obtained. It provides the experimental evidence for the theoretical numerical simulation of implosion-driven laser and the optimal design of the target.