Phys. Rev. A 81, 033811 (2010) [4 pages]Spatiotemporal polarization gradients in phase-bearing lightReceived 4 November 2009; published 8 March 2010 It is shown how the interference of two circularly polarized laser beams endowed with orbital angular momentum can give rise to spatial and temporal polarization gradients, displaying axial as well as angular symmetry properties. Illustrations are given with reference to circularly polarized Laguerre-Gaussian beams as typical light beams carrying orbital angular momentum. © 2010 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.81.033811
DOI:
10.1103/PhysRevA.81.033811
PACS:
42.50.Tx, 37.10.De
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