Properties of circularly polarized vortex beams |
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Authors: | Zhan Qiwen |
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Institution: | Electro-Optics Graduate Program, University of Dayton, 300 College Park, Dayton, Ohio 45469-0245, USA. qiwen.zhan@notes.udayton.edu |
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Abstract: | The properties of circularly polarized vortex beams in cylindrical polarization bases are studied. A circularly polarized vortex beam is decomposed into radial and azimuthal polarization. With the proper combination of vortex charge and the handedness of the circular polarization, a focal field with an extremely strong longitudinal component as well as a flat-topped profile can be obtained. The cylindrical decomposition also sheds light on the connections between orbital angular momentum and the spin of the light beams. |
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