Xu Qiang, Pan Feng, Huang Li, Wang Xingtao, Han Yiping, Wu Zhensen. Analysis of Vectorial Far-Field Characteristics of Laguerre-Gaussian Beams by Angular-Spectrum Method[J]. Chinese Journal of Lasers, 2017, 44(8): 805001
- Chinese Journal of Lasers
- Vol. 44, Issue 8, 805001 (2017)
Fig. 1. (a) Intensity distribution of Laguerre-Gaussian beam when propagation distance is 0; (b) |Ex|2 when propagation distance is 2.000 m; (c) |Ez|2 when propagation distance is 2.000 m; (d) total intensity I=|Ex|2+|Ez|2 when propagation distance is 2.000 m
Fig. 2. Change of |Ez|2 with different parameters. (a) Topological charge; (b) propagation distance
Fig. 3. Phase distribution of Laguerre-Gaussian beam (l=3)
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