这一现象有望测量涡旋光束的拓扑电荷数。
The result may have potential application in measuring the topological charge of a vortex beam.
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.
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