1. Definitions of the degree of polarization of a light beam;Al-Qasimi;Opt. Lett.,2007
2. G.G. Stokes, On the composition and resolution of polarized light from different sources, Trans. Cambridge Philos. Soc., 9, 339–416, 1852. Reprinted in Mathematical and Physical papers, 3, 235–258, Johnson Reprint Corp., New York, 1966.
3. Coherence properties of partially polarized electromagnetic radiation;Wolf;Nuovo Cimento,1959
4. Principles of Optics;Born,1999
5. Degree of polarization for optical near fields;Setälä;Phys. Rev.,2002