涡旋光束的空心大小与光束的拓扑荷数有密切关系。
The size of the hollow core of vortex beam has close relationship with the topological charge.
通过控制各相关参数的取值，在聚焦场中获得了有广泛实际应用的具有涡旋性质的局域空心光束和平顶光束。
By adjusting the values of corresponding parameters, the bottle beams and the flat-topped beams which possess the characteristics of vortex are obtained and will have many significant applications.
基于此，人们通过选择适当的参数值就能够获得想要的部分相干涡旋局域空心光束。
Based on this, the desired partially coherent vortex bottle beams can be obtained by choosing appropriate values of parameters.
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