Gemini Adaptive Optics System

Glen Herriot; Simon Morris

doi:10.1117/12.269116

21 March 1997 Gemini Adaptive Optics System

Glen Herriot, Simon Morris

Proceedings Volume 2871, Optical Telescopes of Today and Tomorrow; (1997) https://doi.org/10.1117/12.269116
Event: Optical Telescopes of Today and Tomorrow, 1996, Landskrona/Hven, Sweden

Abstract

This ia a progress report; we define the requirements and details of the latest design of the Gemini Adaptive Optics System (GAOS). The specifications flow from those astronomy programs needing AO for which Gemini will be best remembered. Based on a critical list of astronomical projects and ignoring those likely to be completed earlier by other ground or space telescopes, the astronomers set requirements for image quality, corrected field of view and sky coverage probability. In median seeing (r_o equals 25 cm) we require the signal to noise ratio with GAOS be double that achieved without it, using only tip/tilt/fast-focus of the secondary mirror. Our design is unique because the specifications are for end-to-end image quality delivered to the detector of an instrument while maximizing sky coverage. The error budget includes both telescope errors and instrument effects, with only about one third of the total for the residual uncorrected atmospheric errors, traditionally the only ones considered in papers on adaptive optics

Citation Download Citation

Glen Herriot and Simon Morris "Gemini Adaptive Optics System", Proc. SPIE 2871, Optical Telescopes of Today and Tomorrow, (21 March 1997); https://doi.org/10.1117/12.269116

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