用4千安、12克氩/秒之高功率准稳定磁等离子体动力电弧射流,从实验上证实了等离子体动力复合激光之概念。电弧喷出气流中测得的电子温度、电子密度和粒子数密度之空间变化证明,通过Ar III离子的碰撞一辐射复合建立了4P~4S Ar II跃迁的反转粒子数。利用一个与气流横向安置的光学谐振腔,在1毫秒之全部放电时间内用分光及光电法观察到5145,4880,4764和4727埃这四种复合激光作用。
In this article, spherical black spots-like selenium metal nanoparticles were synthesized. Accordingly, this experimental work proposed an innovative facile, green, one-step and solvent-free strategy to a large scale synthesis of Se-NPs via thermal
The choice of the correct density profile is crucial in laser wakefield acceleration. In this work, both subsonic and supersonic gas targets are characterized by means of fluid-dynamic simulations and experimental interferometric measurements. The gas tar