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Raghunathan, S.B. (author), Van Dijk, T. (author), Peterman, E.J.G. (author), Visser, T.D. (author)
In trying to manipulate the intensity distribution of a focused field, one typically uses amplitude or phase masks. Here we explore an approach, namely, varying the state of spatial coherence of the incident field. We experimentally demonstrate that the focusing of a Bessel-correlated beam produces an intensity minimum at the geometric focus...
journal article 2010