10 July 2014 Characterization of the atmospheric dispersion corrector of the Gemini planet imager
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Abstract
An Atmospheric Dispersion Corrector (ADC) uses a double-prism arrangement to nullify the vertical chromatic dispersion introduced by the atmosphere at non-zero zenith distances. The ADC installed in the Gemini Planet Imager (GPI) was first tested in August 2012 while the instrument was in the laboratory. GPI was installed at the Gemini South telescope in August 2013 and first light occurred later that year on November 11th. In this paper, we give an overview of the characterizations and performance of this ADC unit obtained in the laboratory and on sky, as well as the structure of its control software.
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Pascale Hibon, Pascale Hibon, Sandrine Thomas, Sandrine Thomas, Jennifer Dunn, Jennifer Dunn, Jennifer Atwood, Jennifer Atwood, Leslie Saddlemyer, Leslie Saddlemyer, Naru Sadakuni, Naru Sadakuni, Stephen Goodsell, Stephen Goodsell, Bruce Macintosh, Bruce Macintosh, James Graham, James Graham, Marshall Perrin, Marshall Perrin, Fredrik Rantakyro, Fredrik Rantakyro, Vincent Fesquet, Vincent Fesquet, Andrew Serio, Andrew Serio, Carlos Quiroz, Carlos Quiroz, Andrew Cardwell, Andrew Cardwell, Gaston Gausachs, Gaston Gausachs, Dmitry Savransky, Dmitry Savransky, Dan Kerley, Dan Kerley, Markus Hartung, Markus Hartung, Ramon Galvez, Ramon Galvez, Kayla Hardie, Kayla Hardie, } "Characterization of the atmospheric dispersion corrector of the Gemini planet imager", Proc. SPIE 9147, Ground-based and Airborne Instrumentation for Astronomy V, 91474U (10 July 2014); doi: 10.1117/12.2055545; https://doi.org/10.1117/12.2055545
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