Radial mode dependence of optical beam shifts
arXiv:1109.6205 · doi:10.1364/OL.37.001044
Abstract
It is known that orbital angular momentum (OAM) couples the Goos-Hanchen and Imbert-Fedorov shifts. Here, we present the first study of these shifts when the OAM-endowed LG(l,p) beams have higher-order radial mode index (p>0). We show theoretically and experimentally that the angular shifts are enhanced by p while the positional shifts are not. Since LG(l,p) modes form a complete basis set for paraxial beams, our results can be used to predict beam shifts of arbitrary modes of light.
arXiv commentAccepted for publication in Optics Letters
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- An Upper Bound on the Rate of Information Transfer in Optical Vortex Beams
- Goos-Hänchen shifts due to 2D materials with complex conductivity