Abstract
We report experimental results for what we believe to be a new
technique for estimating aberrations that extends the strength of an
aberration that may be sensed with Hartmann sensor technology by means
of an algorithm that processes both a Hartmann sensor image and a
conventional image formed with the same aberration. We find that
the theory and the experiment match well within the experimental error
and that strong defocus aberrations can be accurately sensed with this
technique.
© 1999 Optical Society of America
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