Back-propagating the light of field stars to probe telescope mirrors aberrations

Abstract : We propose a wavefront-based method to estimate the PSF over the whole field of view. This method estimate the aberrations of all the mirrors of the telescope using only field stars. In this proof of concept paper, we described the method and present some qualitative results.
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Ferréol Soulez, Frédéric Courbin, Michael Unser. Back-propagating the light of field stars to probe telescope mirrors aberrations. SPIE Astronomical Telescopes + Instrumentation Conference on Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation II (SPIE-ATI'16), 2016, Edinburgh, United Kingdom. ⟨10.1117/12.2232702⟩. ⟨insu-01632844⟩

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