MEMS-based extreme adaptive optics for planet detection

Details MEMS-based extreme adaptive optics for planet detection MEMS-based extreme adaptive optics for planet detection

Jan 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006spie.6113...48m&link_type=abstract

MEMS/MOEMS Components and Their Applications III. Edited by Olivier, Scot S.; Tadigadapa, Srinivas A.; Henning, Albert K. Pro

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The next major step in the study of extrasolar planets will be the direct detection, resolved from their parent star, of a significant sample of Jupiter-like extrasolar giant planets. Such detection will open up new parts of the extrasolar planet distribution and allow spectroscopic characterization of the planets themselves. Detecting Jovian planets at 5-50 AU scale orbiting nearby stars requires adaptive optics systems and coronagraphs an order of magnitude more powerful than those available today - the realm of "Extreme" adaptive optics. We present the basic requirements and design for such a system, the Gemini Planet Imager (GPI.) GPI will require a MEMS-based deformable mirror with good surface quality, 2-4 micron stroke (operated in tandem with a conventional low-order "woofer" mirror), and a fully-functional 48-actuator-diameter aperture.

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