Radial mode dependence of optical beam shifts.

  title={Radial mode dependence of optical beam shifts.},
  author={Nathaniel P Hermosa and Andrea Aiello and J. P. Woerdman},
  journal={Optics letters},
  volume={37 6},
It is known that orbital angular momentum (OAM) couples the Goos-Hänchen 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. 


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