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3D Imaging with Geiger-mode Avalanche Photodiodes

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Abstract

Laser radar (ladar) systems enable many points in a scene to be resolved to produce 3D imagery. Researchers at M.I.T.'s Lincoln Laboratory have built such ladar imaging systems using arrays of silicon Geiger-mode avalanche photodiodes - which are capable of detecting as little as a single photon of light - and high-speed, all-digital CMOS timing circuitry in each pixel.

© 2005 Optical Society of America

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