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Ying Guan, Li-Xin Zhong, Chaoyang Qian and Rui-Pin Chen
The near-field characteristics of a radially-variant vector beam (RVVB) are analyzed by using the vectorial angular spectrum method. The non-paraxial RVVB can be decomposed into the propagating wave and the evanescent wave in near field. The coherent sup...
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