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Opt Express. 2014 Apr 7;22(7):8277-90. doi: 10.1364/OE.22.008277.

Measuring coherence functions using non-parallel double slits.

Abstract

We present an experimental method for the fast measurement of both the spectral (spatial) and complex degrees of coherence of an optical field using only a binary amplitude mask and a detector array. We test the method by measuring a two-dimensional spectral degree of coherence function created by a broadband thermal source. The results are compared to those expected by the van Cittert-Zernike theorem and found to agree well in both amplitude and phase.

PMID:
24718202
DOI:
10.1364/OE.22.008277

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