Topological Charge Detection Using Generalized Contour-Sum Method from Distorted Donut-Shaped Optical Vortex Beams: Experimental Comparison of Closed Path Determination Methods

Topological Charge Detection Using Generalized Contour-Sum Method from Distorted Donut-Shaped Optical Vortex Beams: Experimental Comparison of Closed Path Determination Methods

A generalized contour-sum method has been proposed to measure the topological charge (TC) of an optical vortex (OV) beam using a Shack−Hartmann wavefront sensor (SH-WFS). Moreover, a recent study extended it to be workable for measuring an aberrated OV beam. However, when the OV beam suffe...

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Bibliographic Details
Main Authors: Daiyin Wang, Hongxin Huang, Haruyoshi Toyoda, Huafeng Liu
Format: Article
Language:English
Published: MDPI AG 2019-09-01
Series:Applied Sciences
Subjects:
wavefront sensor
spatial light modulator
contour-sum method
topological charge
orbital angular momentum
Online Access:https://www.mdpi.com/2076-3417/9/19/3956

Internet

https://www.mdpi.com/2076-3417/9/19/3956

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