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Gan, C.H. (author), Gu, Y. (author), Visser, T.D. (author), Gbur, G. (author)Simulations are presented that demonstrate that the global state of spatial coherence of an optical wavefield can be altered on transmission through an array of subwavelength-sized holes in a metal plate that supports surface plasmons. It is found that the state of coherence of the emergent field strongly depends on the separation between the...journal article 2012