Conditions for invariance of the degree and the state of polarization of beams radiated by electromagnetic quasi-homogeneous sources into the far-zone are derived. An example is given relating to electromagnetic Bessel-correlated sources.
© 2011 Optical Society of America
Coherence and Statistical Optics
Original Manuscript: July 8, 2011
Revised Manuscript: August 29, 2011
Manuscript Accepted: August 30, 2011
Published: September 20, 2011
O. Korotkova, "Sufficient condition for polarization invariance of beams generated by quasi-homogeneous sources," Opt. Lett. 36, 3768-3770 (2011)