Copeland, Michael; Price, Ian; Rigaut, Francois; Bloxham, Gabe; Boz, Robert; Bundy, Dave; Espeland, Brady; Sharp, Rob
GMTIFS requires a deformable mirror (DM) as part of its on-instrument wavefront sensor (OIWFS). The DM facilitates wavefront correction for the off-axis natural guide star, with the objective being to maximize the energy in the diffraction core and improve the signal-to-noise ratio of the guide star position measurement. It is essential that the OIWFS be positionally stable with respect to the science field. The use of J–K to observe the guide star, and thus the need to limit thermal...[Show more]
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