Rodríguez-Herrera Oscar G, Tyo J Scott
College of Optical Sciences, University of Arizona, Tucson, Arizona 85721, USA.
J Opt Soc Am A Opt Image Sci Vis. 2012 Sep 1;29(9):1939-47. doi: 10.1364/JOSAA.29.001939.
A generalized van Cittert-Zernike theorem for the cross-spectral density matrix of quasi-homogeneous planar electromagnetic sources is introduced. We present theoretical examples of using this theorem to generate fields with interesting polarization and spatial coherence properties by choosing the appropriate spectral density distribution of the source. We found that under certain conditions, a quasi-homogeneous, polarized source may produce a beam in the far field that is unpolarized in the typical one-point sense but polarized in the two-point, mutual polarization sense.
引入了关于准均匀平面电磁源交叉谱密度矩阵的广义范西特-泽尼克定理。我们给出了理论示例，说明通过选择源的适当谱密度分布，利用该定理生成具有有趣偏振和空间相干特性的场。我们发现，在某些条件下，一个准均匀的偏振源可能在远场产生一束光，该光束在典型的单点意义上是无偏振的，但在两点的相互偏振意义上是偏振的。
