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Proceedings Paper

Atmospheric dispersion correction for the Subaru AO system
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Paper Abstract

In this paper, we present the science path ADC unit (atmospheric dispersion corrector) for the AO188 Adaptive Optics System of the Subaru Telescope. The AO188 instrument is a curvature-based Adaptive Optics system with 188 subapertures and achieves good correction down to shorter wavelengths like J-band. At these wavelengths, the atmospheric dispersion within the band becomes significant and thus a correction of the atmospheric dispersion is essential to reach diffraction-limited image quality. We give an overview of the requirements, the final optical and mechanical design of the ADC unit, as well as the structure of its control software.

Paper Details

Date Published: 28 July 2010
PDF: 9 pages
Proc. SPIE 7736, Adaptive Optics Systems II, 77364V (28 July 2010); doi: 10.1117/12.856579
Show Author Affiliations
Sebastian Egner, National Astronomical Observatory of Japan/Subaru Telescope (United States)
Yuji Ikeda, Photocoding (Japan)
Makoto Watanabe, Hokkaido Univ. (Japan)
Y. Hayano, National Astronomical Observatory of Japan/Subaru Telescope (United States)
T. Golota, National Astronomical Observatory of Japan/Subaru Telescope (United States)
M. Hattori, National Astronomical Observatory of Japan/Subaru Telescope (United States)
M. Ito, National Astronomical Observatory of Japan/Subaru Telescope (United States)
Y. Minowa, National Astronomical Observatory of Japan/Subaru Telescope (United States)
S. Oya, National Astronomical Observatory of Japan/Subaru Telescope (United States)
Y. Saito, National Astronomical Observatory of Japan/Subaru Telescope (United States)
H. Takami, National Astronomical Observatory of Japan/Subaru Telescope (United States)
M. Iye, National Astronomical Observatory of Japan (Japan)


Published in SPIE Proceedings Vol. 7736:
Adaptive Optics Systems II
Brent L. Ellerbroek; Michael Hart; Norbert Hubin; Peter L. Wizinowich, Editor(s)

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