Selective generation of high-order optical vortices from a single phase wedge |
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| Authors: | Lin J Yuan X-C Bu J Ahluwalia B P Sun Y Y Burge R E |
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| Affiliation: | Photonics Research Centre, School of Electrical and Electronic Engineering, Nanyang Technological University, Nanyang Avenue, Singapore 639798. |
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| Abstract: | We demonstrate that it is possible to generate high-order optical vortices from a single phase wedge by applying an incident beam with an annular intensity distribution. Various topological charges of optical vortices are realized by a static phase wedge when the position and radius of the annular illumination are changed accordingly. |
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