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9 February 2006 Poincare sphere for nondiffracting beams with orbital angular momentum
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We report on the theoretical and experimental demonstration of a geometrical representation for nondiffracting beams with orbital angular momentum. This representation is a SU(2) structure equivalent to the Poincare sphere for the polarization states of light, which describes the different states of light beams possessing orbital angular momentum in terms of nondiffracting beams. We have also investigated unitary transformations within our geometrical representation using linear optical elements, equivalent to a polarization state rotation on the Poincare sphere. A new class of nondiffracting beams is also suggested.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Willamys C. Soares, Dilson P. Caetano, and Jandir M. Hickmann "Poincare sphere for nondiffracting beams with orbital angular momentum", Proc. SPIE 6131, Nanomanipulation with Light II, 61310A (9 February 2006);


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