Abstract

The effect on fringe visibility of a dual-aperture imaging system produced by two mutually partially coherent point sources is studied. The two mutually partially coherent point sources are generated by an original extended incoherent source. The problem formulation is developed from the partial coherence theory of Wolf. The results show that the fringe visibility is affected by the spectral bandwidth, source size, sampling aperture size, as well as the defocused distance of the imaging system. These results are quite consistent with the Thompson’s predictions of Young’s experiment.

© 1986 Optical Society of America

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