Electromagnetic Spin-Orbit Interactions via Scattering
arXiv:0806.2470 · doi:10.1103/PhysRevLett.104.083903
Abstract
The longitudinal components of orthogonal-circularly polarized fields carry a phase singularity that changes sign depending on the polarization handedness. The addition of orbital angular momentum adds to or cancels this singularity and results in polarization-dependent scattering through round and square apertures, which we demonstrate analytically, numerically, and experimentally. By preparing the incident polarization and arranging the configuration of sub-wavelength apertures, we produce shadow-side scattered fields with arbitrary phase vorticity.
5 pages, 5 figures
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Cited by in corpus (26)
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