MMT adaptive secondary : first AO closed loop results

  title={MMT adaptive secondary : first AO closed loop results},
  author={Guido Brusa and Armando Riccardi and François P. Wildi and Michael Lloyd-Hart and Hubert M Martin and Rick Allen and David Fisher and David L. Miller and Roberto Biasi and Daniele Gallieni and F. Zocchi and Localit{\'a} Pascolo and Bosisio Parini},
The adaptive secondary for the MMT is the first mirror of its kind. It was designed to allow the application of wavefront corrections (including tip-tilt) directly at the secondary mirror location. Among the advantages of such a choice for adaptive optics operation are higher throughput, lower emissivity, and simpler optical setup. Furthermore, this specific implementation provides capabilities that are not found in most correctors including internal position feedback, large stroke (to allow… CONTINUE READING


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