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Opt Lett. 2006 Apr 1;31(7):861-3.

Measuring spatial coherence by using a reversed-wavefront Young interferometer.

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Dipartimento di Fisica and CNR-INFM, Università Roma Tre, Via della Vasca Navale 84, 1-00146 Rome, Italy.


A very simple optical setup for the measurement of the modulus and the phase of the two-point correlation function of a partially coherent light field is presented. The system consists of a slightly modified version of a Young interferometer and requires a single Young mask in order to determine the correlation function at any pairs of points. Experimental results are presented for the case of a synthesized partially coherent secondary source.


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