Propagation of cross-spectral densities from spherical sources

R. Borghi, F. Gori, O. Korotkova, M. Santarsiero

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

We show that the cross-spectral density in the far zone of a homogeneous spherical source can be described as a lowpass filtered version of that existing across the source surface. We prove that, to an excellent approximation, the corresponding filter with respect to a (normalized) spatial frequency ζ has a functional structure of the form √1-ζ2, for 0 ≤ ζ ≤ 1. The cases of spatially incoherent and Lambertian sources are treated as significant examples.

Original languageEnglish (US)
Pages (from-to)3183-3185
Number of pages3
JournalOptics Letters
Volume37
Issue number15
DOIs
StatePublished - Aug 1 2012

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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