Synthetic Apertures For The Optical Domain

Synthetic-aperture radar (SAR) has been a staple of radio imaging and surveillance for more than half a century. But translating the power of synthetic apertures to long-range optical imaging has proved a tough proposition. Scientists at Rice University and Northwestern University, USA, now report that they’ve developed a method to create synthetic apertures for imaging in the optical domain—by borrowing a technique from cutting-edge computational microscopy.

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