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Phase reconstruction from intensity measurements in linear systems
2003
Optical Society of America. Journal A: Optics, Image Science, and Vision
The phase of a signal at a plane is reconstructed from the intensity profiles at two close parallel screens connected by a small abcd canonical transform; this applies to propagation along harmonic and repulsive fibers and in free media. We analyze the relationship between the local spatial frequency (the signal phase derivative) and the derivative of the squared modulus of the signal under a one-parameter canonical transform with respect to the parameter. We thus generalize to all linear
doi:10.1364/josaa.20.001046
pmid:12801172
fatcat:svovnkd565gkjp2w4znrzp67i4