Abstract
Bessel light beams satisfy a wave equation but, in addition, they are solutions of Maxwell’s equations. The
light power they convey is proportional to the square modulus of the electric field E. In cylindrical
coordinates, Bessel light beams depend on the polarization of E and, assuming an axisymmeteric beam, we
give the ex-pressions of E when its polarization is, azi-muthal, radial and linear or circular. The energy
flux carried by these beams is obtained from the time averaed Poynting vector
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