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23 January 2006 MEMS-based extreme adaptive optics for planet detection
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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.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Bruce Macintosh, James Graham, Ben Oppenheimer, Lisa Poyneer, Anand Sivaramakrishnan, and Jean-Pierre Veran "MEMS-based extreme adaptive optics for planet detection", Proc. SPIE 6113, MEMS/MOEMS Components and Their Applications III, 611308 (23 January 2006);


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