The results show that beam divergenceof the system depends mainly on the extraction perveance and voltage ratio, and a minimum beam divergence can be obtained under optimum conditions.
结果展示出引出束光学主要取决于引出导流系数和电势分布,在一定条件下可获得发散度小的离子束。
3
The experimental resultsof energy threshold, output energy and beam divergence of the first Stokes are present.