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Yang Y, Thirunavukkarasu G, Babiker M, et al. Orbital-Angular-Momentum Mode Selection by Rotationally Symmetric Superposition of Chiral States with Application to Electron Vortex Beams. Phys Rev Lett. 2017;119(9):094802doi: 10.1103/PhysRevLett.119.094802.
Yang, Y., Thirunavukkarasu, G., Babiker, M., & Yuan, J. (2017). Orbital-Angular-Momentum Mode Selection by Rotationally Symmetric Superposition of Chiral States with Application to Electron Vortex Beams. Physical review letters, 119(9), 094802. https://doi.org/10.1103/PhysRevLett.119.094802
Yang, Yuanjie, et al. "Orbital-Angular-Momentum Mode Selection by Rotationally Symmetric Superposition of Chiral States with Application to Electron Vortex Beams." Physical review letters vol. 119,9 (2017): 094802. doi: https://doi.org/10.1103/PhysRevLett.119.094802
Yang Y, Thirunavukkarasu G, Babiker M, Yuan J. Orbital-Angular-Momentum Mode Selection by Rotationally Symmetric Superposition of Chiral States with Application to Electron Vortex Beams. Phys Rev Lett. 2017 Sep 01;119(9):094802. doi: 10.1103/PhysRevLett.119.094802. Epub 2017 Aug 31. PMID: 28949569.
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Phys Rev Lett. 2017 Sep 01;119(9):094802. doi: 10.1103/PhysRevLett.119.094802. Epub 2017 Aug 31.

Orbital-Angular-Momentum Mode Selection by Rotationally Symmetric Superposition of Chiral States with Application to Electron Vortex Beams.

Physical review letters

Yuanjie Yang, G Thirunavukkarasu, M Babiker, Jun Yuan

Affiliations

  1. Department of Physics, University of York, Heslington, York YO10 5DD, United Kingdom.
  2. School of Astronautics & Aeronautics, University of Electronic Science and Technology of China, Chengdu 611731, China.

PMID: 28949569 DOI: 10.1103/PhysRevLett.119.094802

Abstract

A general orbital-angular-momentum (OAM) mode selection principle is put forward involving the rotationally symmetric superposition of chiral states. This principle is not only capable of explaining the operation of vortex generating elements such as spiral zone plate holograms, but more importantly, it enables the systematic and flexible generation of structured OAM waves in general. This is demonstrated both experimentally and theoretically in the context of electron vortex beams using rotationally symmetric binary amplitude chiral sieve masks.

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