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    • First results on a new PIAA coronagraph testbed at NASA Ames 

      Belikov, R.; Pluzhnik, E.; Connelley, M. S.; Witteborn, F. C.; Lynch, D. H.; e.a. (SPIE - The International Society for Optical Engineering, 2009-01-01)
      Direct imaging of extrasolar planets, and Earth-like planets in particular, is an exciting but difficult problem requiring a telescope imaging system with 1010 contrast at separations of 100 mas and less. Furthermore, the ...