Optical vortex trajectory of the edge-diffracted single-charged Laguerre-Gaussian beam
Optics and Lasers in Engineering(2021)
摘要
•The theory of the vortex behavior during the beam blocking by a half-plane are given.•Two diffraction perturbation are considered: weak and strong.•The parameter responsible for the twist degree of OV trajectory coils is introduced.•A new approach for obstacles localization with OV trajectory theory is put forward.
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关键词
Optical vortex,Diffraction,Laguerre-Gaussian beam,Phase singularity
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