Abstract

In terms of the electric spectral density tensors associated with a random electromagnetic field, it is shown that, under certain conditions, a link can be established between two definitions of the degree of coherence for electromagnetic beams introduced not long ago by Wolf [Phys. Lett. A 312, 263 (2003)] and by Setälä et al. [Opt. Lett. 29, 328 (2004)] . This connection is formulated as a certain equivalence relationship concerning the behavior of the above degrees of coherence and the degree of polarization of the field at two points.

© 2007 Optical Society of America

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Equations (17)

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