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1 Author(s)
Ross, M. ; Ultradata Syst., Saint Louis, MO

A new telescope has been especially designed and constructed at the Oak Ridge Observatory to detect pulses of visible light that a far-off civilization could be sending toward Earth. Unlike a regular imaging telescope, the new telescope has no lens, nor is it designed to pluck pristine images of celestial bodies orbiting overhead. It uses a 1.8 m diameter mirror and a 0.9 m secondary mirror to scoop up raw photons from the sky. Called photon buckets, they are less expensive to build and operate than imaging telescopes. A key feature is its use of multipixel photomultiplier tubes that allows more star systems to be observed at a time

Published in:

Spectrum, IEEE  (Volume:43 ,  Issue: 11 )

Date of Publication:

Nov. 2006

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