J. Poynting, The wave motion of a revolving shaft, and a suggestion as to the angular momentum in a beam of circularly polarised light, Proc. R. Soc. Lond. A, pp.560-567, 1909.

R. A. Beth, Mechanical Detection and Measurement of the Angular Momentum of Light, Physical Review, vol.50, issue.2, pp.115-125, 1936.
DOI : 10.1103/PhysRev.50.115

L. Allen, M. W. Beijersbergen, R. J. Spreeuw, and J. P. Woerdman, Orbital angular momentum of light and the transformation of Laguerre-Gaussian laser modes, Physical Review A, vol.45, issue.11, pp.8185-8189, 1992.
DOI : 10.1103/PhysRevA.45.8185

F. Tamburini, E. Mari, A. Sponselli, B. Thid, A. Bianchini et al., Encoding many channels on the same frequency through radio vorticity: first experimental test, New Journal of Physics, vol.14, issue.3, p.33001, 2012.
DOI : 10.1088/1367-2630/14/3/033001

O. Edfors and A. Johansson, Is Orbital Angular Momentum (OAM) Based Radio Communication an Unexploited Area?, IEEE Transactions on Antennas and Propagation, vol.60, issue.2, pp.1126-1131, 2012.
DOI : 10.1109/TAP.2011.2173142

M. Tamagnone, C. Craeye, and J. Perruisseau-carrier, Comment on ???Reply to Comment on ???Encoding many channels on the same frequency through radio vorticity: first experimental test?????????, New Journal of Physics, vol.15, issue.7, p.118001, 2012.
DOI : 10.1088/1367-2630/15/7/078001

M. Padgett and L. Allen, The Poynting vector in Laguerre-Gaussian laser modes, Optics Communications, vol.121, issue.1-3, pp.36-40, 1995.
DOI : 10.1016/0030-4018(95)00455-H

B. Thide, H. Then, J. Sjoholm, K. Palmer, and J. Bergman, Utilization of Photon Orbital Angular Momentum in the Low-Frequency Radio Domain, Physical Review Letters, vol.99, issue.8, p.87701, 2007.
DOI : 10.1103/PhysRevLett.99.087701

S. Mohammadi, L. K. Daldorff, J. Bergman, R. Karlsson, B. Thide et al., Orbital Angular Momentum in Radio—A System Study, IEEE Transactions on Antennas and Propagation, vol.58, issue.2, pp.565-572, 2010.
DOI : 10.1109/TAP.2009.2037701

A. Bennis, R. Niemiec, C. Brousseau, K. Mahdjoubi, and O. Emile, Flat plate for oam generation in the millimeter band, Antennas and Propagation (EuCAP), pp.3203-3207, 2013.

M. Beijersbergen, R. Coerwinkel, M. Kristensen, and J. Woerdman, Helical-wavefront laser beams produced with a spiral phaseplate, Optics Communications, vol.112, issue.5-6, pp.321-327, 1994.
DOI : 10.1016/0030-4018(94)90638-6

J. Humblet, Sur le moment d'impulsion d'une onde ??lectromagn??tique, Physica, vol.10, issue.7, pp.585-603, 1943.
DOI : 10.1016/S0031-8914(43)90626-3