25 August 2005 Ground-based stellar interferometry with adaptive optics
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Abstract
A ground-based stellar interferometer appears to be a potentially useful research tool in studying stellar astrophysics and synthesizing a high resolution stellar image; however, its short-exposure performance is easily degraded by atmospheric turbulence. Even though adaptive optics has been recognized as a promising technology to improve image quality for a large aperture telescope, the question is often asked: "Is adaptive optics needed in a ground-based stellar interferometer?" In this paper, we develop the appropriate theory and provide simulation results to show why adaptive optics is needed in a ground-based optical interferometer. We also present a novel adaptive optics testbed including a tip-tilt error compensation system and a higher-order phase aberration compensation system to verify our theoretical simulation results.
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Chueh Ting, Chueh Ting, Michael K. Giles, Michael K. Giles, } "Ground-based stellar interferometry with adaptive optics", Proc. SPIE 5903, Astronomical Adaptive Optics Systems and Applications II, 590305 (25 August 2005); doi: 10.1117/12.614482; https://doi.org/10.1117/12.614482
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