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22 July 2010Modeling adaptive optics for the segmented aperture of the GMT
We present expected performance for the Giant Magellan Telescope (GMT) adaptive optics system. Using a
custom adaptive optics modeling code developed at the University of Arizona, we are able to simulate the various
aspects of atmospheric turbulence, wavefront sensing, and adaptive correction for the specific geometry of the
GMT AO system. This allows us to explore the design space of the GMT and determine the performance of the
system for various adaptive optics modes, including Ground-Layer AO. We present results showing the effect of
the segmented aperture on AO performance, and discuss strategies for sensing and correction with the GMT
aperture.
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Russell P. Knox, Philip M. Hinz, Johanan L. Codona, "Modeling adaptive optics for the segmented aperture of the GMT," Proc. SPIE 7736, Adaptive Optics Systems II, 773645 (22 July 2010); https://doi.org/10.1117/12.857859