The coherence properties of sunlight were first studied by Verdet around 1869. However, his calculation and others which followed assume that the Earth is in the far zone of the Sun, an invalid assumption. We investigate Verdet's result and illustrate a surprising property of radiation from incoherent sources.
© 2004 Optical Society of America
(030.0030) Coherence and statistical optics : Coherence and statistical optics
(030.1640) Coherence and statistical optics : Coherence
(350.0350) Other areas of optics : Other areas of optics
(350.5610) Other areas of optics : Radiation
G. J. Gbur, G. S. Agarwal, and E. Wolf, "Coherence properties of sunlight," in Frontiers in Optics 2004/Laser Science XXII/Diffractive Optics and Micro-Optics/Optical Fabrication and Testing, OSA Technical Digest Series (Optical Society of America, 2004), paper FTuF6.
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