A liquid-droplet technique was investigated to fabricate thin wall hollow glass microspheres (HGM) used in laser fusion experiments on Shen Guang II. Glass-forming compositions, operating conditions of the droplet gen...A liquid-droplet technique was investigated to fabricate thin wall hollow glass microspheres (HGM) used in laser fusion experiments on Shen Guang II. Glass-forming compositions, operating conditions of the droplet generator and the vertical multiple-zone furnace were optimized. Thin wall HGM with diameters of about 100, 200, and 520 pm were fabricated, whose failure pressures, gas retention properties for D2, and chemical durability were all characterized. The results of the fusion experiments show that the HGM targets are quite satisfactory and the highest neutron yields obtained are 4 × 109.展开更多
基金This work was supported by the Pre-research Foundation of Chinese Academy of Engineering Physics (Grant No. 990553) .
文摘A liquid-droplet technique was investigated to fabricate thin wall hollow glass microspheres (HGM) used in laser fusion experiments on Shen Guang II. Glass-forming compositions, operating conditions of the droplet generator and the vertical multiple-zone furnace were optimized. Thin wall HGM with diameters of about 100, 200, and 520 pm were fabricated, whose failure pressures, gas retention properties for D2, and chemical durability were all characterized. The results of the fusion experiments show that the HGM targets are quite satisfactory and the highest neutron yields obtained are 4 × 109.
文摘为研究适用于高温环境下微珠结构激光合作目标的反射性能,根据微珠结构激光合作目标的回归反射理论,设计和建立了用于测量微珠结构激光合作目标反射性能的实验系统。该系统使用激光波长为532 nm,激光发散角为1.2 mrad,最大输出功率为300 m W的半导体抽运全固态激光器作为激光发射装置,使用海洋公司的USB2000+型光纤光谱仪作为回波信号的接收装置。通过改变激光器的输出功率、测量距离等实验条件,对微珠结构激光合作目标和碳纤维板基底的反射性能进行了实验测量,并对所测量的实验结果进行了数据分析,为深入研究微珠结构的激光合作目标提供了测量方法和数据参考。
