Abstract

A scanning imaging system is proposed that is capable of reconstructing not only the modulus but the phase of an object without a holographic reference wave. The reconstruction involves phase retrieval from two intensity measurements: the intensity of the correlation function of the object and a probe beam and the intensity of the correlation function of the object and the probe beam that is modulated with an exponential filter. A computer simulation shows that the reconstruction of a complex-valued object can be done from a relatively small data set.

© 1996 Optical Society of America

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