Cracked glass plate is used to generate optical vortex beam. Fork fringes in the experimental results confirm the presence of vortices in the output beam. The phase map plot of fork fringes also confirms the presence of vortices exactly at the position of forks.
© 2012 OSA
B. K. Singh, D. S. Mehta, and P. Senthilkumaran, "Generation of Vortices using Cracked Glass Plate," in International Conference on Fibre Optics and Photonics, OSA Technical Digest (online) (Optical Society of America, 2012), paper WPo.6.
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