10 Scopus citations

Abstract

Motivated by the desire to image exosolar planets, recent work by us and others has shown that high-contrast imaging can be achieved using specially shaped pupil masks. To date, our masks have been symmetric with respect to a cartesian coordinate system but were not rotationally invariant, thus requiring that one take multiple images at different angles of rotation about the central point in order to obtain high-contrast in all directions. In this talk, we present two new classes of masks that have rotational symmetry and provide high-contrast in all directions with just one image. These masks provide the required 10 -10 level of contrast to within 4λ/D of the central point. They are also well-suited for use on ground-based telescopes, and perhaps NGST as well, since they can accommodate central obstructions and associated support spiders.

Original languageEnglish (US)
Pages (from-to)49-56
Number of pages8
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume5170
DOIs
StatePublished - 2003
EventTechniques and Instrumentation for Detection of Exoplants - San Diego, CA, United States
Duration: Aug 5 2003Aug 7 2003

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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