Abstract

A simple technique for high-resolution imaging of distant objects is described and experimentally demonstrated. The technique, referred to as Fourier telescopy, is a variant of Fourier microscopy, which additionally uses phase closure for correction of intervening aberrations. It is an active-illumination technique that is scalable to angular resolutions of 1 nrad and to illuminators of extremely low power. A laboratory experiment demonstrates reconstruction of images of two simple objects with an angular resolution of 83 μrad.

© 1995 Optical Society of America

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