The Gemini Planet Imager Apodized Pupil Lyot Coronagraph

Details The Gemini Planet Imager Apodized Pupil Lyot Coronagraph The Gemini Planet Imager Apodized Pupil Lyot Coronagraph

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...20915410s&link_type=abstract

2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #154.10; Bulletin of the American Astronomical Society,

Physics

Optics

2

Scientific paper

The Gemini Planet Imager instrument is a multi-institution project which consists of an Extreme Adaptive Optics system, an Apodized Pupil Lyot Coronagraph, an Integral Field Unit and an active calibration system for speckle suppression. The AMNH group is designing and building the Apodized Pupil Lyot Coronagraph. This type of coronagraph is basically a classical Lyot coronagraph with an upstream pupil apodization, based on mathematical properties of the prolate spheroidal functions. An APLC produces a dramatic improvement over the classical Lyot coronagraph. We have identified appropriate technologies to manufacture the required components. We will present the current status of the design and laboratory infrared testing results.

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