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Journal Article

How orbital angular momentum affects beam shifts in optical reflection


Aiello,  A.
Optical Quantum Information Theory, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Merano, M., Hermosa, N., Woerdman, J. P., & Aiello, A. (2010). How orbital angular momentum affects beam shifts in optical reflection. PHYSICAL REVIEW A, 82(2): 023817. doi:10.1103/PhysRevA.82.023817.

Cite as: http://hdl.handle.net/11858/00-001M-0000-002D-6AC3-E
It is well known that reflection of a Gaussian light beam (TEM(00)) by a planar dielectric interface leads to four beam shifts when compared to the geometrical-optics prediction. These are the spatial Goos-Hanchen (GH) shift, the angular GH shift, the spatial Imbert-Fedorov (IF) shift, and the angular IF shift. We report here, theoretically and experimentally, that endowing the beam with orbital angular momentum leads to coupling of these four shifts; this is described by a 4 x 4 mixing