Abstract
A method is proposed for exact discrete reconstruction of a
two-dimensional wave front from four suitably designed lateral shearing
experiments. The method reconstructs any wave front at evaluation
points of a circular aperture exactly up to an arbitrary constant for
noiseless data, and it shows excellent stability properties in the case
of noisy data. Application of large shears is allowed, and high
resolution of the reconstructed wave front can be achieved. Results
of numerical experiments are presented that demonstrate the capability
of the method.
© 2000 Optical Society of America
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