Purity of 3D polarization
Journal of the Optical Society of America A: Optics and Image Science, and Vision
Measures of purity for 3D partially polarized fields, and in particular, the separation into circularly and linearly polarized contributions, are reexamined, and a new degree of total linear polarization introduced. Explicit expressions for the characteristic decomposition in terms of coherency matrix elements are presented, including the special case of an intrinsic coherency matrix. Parameterization of the coherency matrix in terms of ellipticity, and the directions of the ellipse normal and major axis are investigated.Phase consistency is discussed.Acomprehensive collection of results regarding intrinsic polarization properties is presented.
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