The Princeton University Terrestrial Planet Finder (TPF) group has been working on a novel method for direct imaging of extra solar planets using a shaped-pupil coronagraph.
The entrance...
Pupil-mapping is a technique whereby a uniformly-illuminated input pupil, such
as from starlight, can be mapped into a non-uniformly illuminated exit pupil, such
that the image formed from...
A leading design concept for NASA’s upcoming planet-finding space
telescope involves placing an occulter 72;000 km in front of a 4-m telescope. The
purpose of the occulter is to block the...