We present a brief introduction to the orbital angular momentum of light, the subject of our theme issue and, in particular, to the developments in the 13 years following the founding paper by Allen et al. (Allen et al. 1992 Phys. Rev. A 45, 8185 (doi:10.1103/ PhysRevA.45.8185)). The papers by our invited authors serve to bring the field up to date and suggest where developments may take us next.
CITATION STYLE
Barnett, S. M., Babiker, M., & Padgett, M. J. (2017, February 28). Optical orbital angular momentum. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences. Royal Society. https://doi.org/10.1098/rsta.2015.0444
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