n. focon
misc. focusing cone
研究两正交偏振高斯光束经克尔非线性自聚焦和发散锥型梯度折射率棒的传播特性。
Propagation properties of two orthogonally polarized Gaussian optical beams through Kerr law nonlinear self focusing and DE focusing conical graded index rods are investigated.
从束流参数的要求出发，提出了采用阴极聚束鼻锥结构和提高阳极引出电压，以确保束流发射和改善聚焦；
To have enough emitting current and improve focusing, advance a opinion, which is using focusing node and heightening the extracting voltage of anode.
研究了不同锥角的轴棱锥对涡旋光束聚焦特性的影响以及不同拓扑电荷数对聚焦特性的影响。
The influence of by different cone angles of the axicon and the different topological number of the vortex beam on the focusing properties of vortex beam is investigated.
应用推荐