Abstract
In this article, a signal-processing method is proposed to achieve diffraction-limited imaging of objects present in an aberrating medium. An array optical system is needed to acquire the data; some adaptive optics systems or optical fiber systems may be applicable for this purpose. The data are then processed in a computer, following the physical concept of repeated transmission of phase-conjugated wave, to find out the wave sharply focusing at a single point on the object. A mathematical analysis of the method does not guarantee the generation of such a sharp focal beam. Studies by computer simulation, however, show that this method works fairly well except for a few exceptional cases of object.
© 1989 Optical Society of America
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