XAO coronagraphy with the High-Order Test bench

Details XAO coronagraphy with the High-Order Test bench XAO coronagraphy with the High-Order Test bench

Jul 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epjwc..1603005m&link_type=abstract

Research, Science and Technology of Brown Dwarfs and Exoplanets: Proceedings of an International Conference held in Shangai on O

Physics

Optics

Scientific paper

Extreme adaptive optics systems dedicated to the search for extra solar planets are currently being developed for 8-10 meter class telescopes. The High-Order Test bench (HOT) is a high-contrast imaging adaptive optics bench developed at ESO. Its objective is to test and optimize different techniques and technologies (e.g. wave front sensors, coronagraphs, speckle calibration methods…). It mimics realistic conditions at a telescope (e.g. VLT), including turbulence generator, XAO, and various near-IR coronagraphs. Here we provide a short overview of the system, and present results of recent AO-closed loop coronagraphic runs obtained with an Apodized Pupil Lyot Coronagraph (APLC).

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