空心玻璃微球(HGM)在常温常压下对DT气体的渗透率低。机械强度高,在惯性约束聚变靶的制备工艺中是一种常用的DT燃料容器。已经应用于神光Ⅰ和Ⅱ系列实验的薄壁玻璃微球,壁厚降到1μm以下,提高了中子产额,并获得内爆特征信息。简要综述了国内外有关惯性约束玻璃靶丸的研究及进展。
Hollow glass microsphere has low penetrating efficiency to DT gas at room temperature and common pressrue, as well as high mechanical intensity, which makes it usually be used as the vessel of DT fuel in ICF. Hollow glass microsphere with thin wall (below 1μm) has been used in Shen-Guang Ⅰ(SGI) and Shen-Guang Ⅱ(SGII), which improves neutron yields and provides critical information in explosion. This paper reviews domestic and overseas glass target material in ICF.