The Gemini Planet Imager: integration and test

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DOIResolve DOI: http://doi.org/10.1117/12.926721
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TypeArticle
Proceedings titleGround-based and Airborne Instrumentation for Astronomy IV
Series titleProceedings of SPIE; Volume 8446
ConferenceGround-Based and Airborne Instrumentation for Astronomy IV, July 1-6, 2012, Amsterdam, Netherlands
ISSN0277-786X
ISBN9780819491473
Article number84461U
SubjectAdaptive optics systems; Coronagraphy; Direct detection; Exo-planets; Extra solar planets; Hardware and software; Integral field spectrograph; Laboratory testing; Lyot coronagraphs; Multiwavelength; Post processing; Speckle suppression; Wave front sensors; Adaptive optics; Astronomy; Instruments; Software testing
AbstractThe Gemini Planet Imager is a next-generation instrument for the direct detection and characterization of young warm exoplanets, designed to be an order of magnitude more sensitive than existing facilities. It combines a 1700-actuator adaptive optics system, an apodized-pupil Lyot coronagraph, a precision interferometric infrared wavefront sensor, and a integral field spectrograph. All hardware and software subsystems are now complete and undergoing integration and test at UC Santa Cruz. We will present test results on each subsystem and the results of end-to-end testing. In laboratory testing, GPI has achieved a raw contrast (without post-processing) of 10-6 5σ at 0.4'', and with multiwavelength speckle suppression, 2x10^-7 at the same separation.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC); National Science Infrastructure
Peer reviewedYes
NPARC number21270296
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Record identifierc886db19-5332-4f04-88f5-fbe1552f72bd
Record created2014-01-21
Record modified2017-09-13
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