Fourier wavefront reconstruction with a pyramid wavefront sensor

Charlotte Z. Bond; Carlos M. Correia; Jean-François Sauvage; Kacem El Hadi; Benoit Neichel; Thierry Fusco

doi:10.1117/12.2314028

18 July 2018 Fourier wavefront reconstruction with a pyramid wavefront sensor

Charlotte Z. Bond, Carlos M. Correia, Jean-François Sauvage, Kacem El Hadi, Benoit Neichel, Thierry Fusco

Proceedings Volume 10703, Adaptive Optics Systems VI; 107034M (2018) https://doi.org/10.1117/12.2314028
Event: SPIE Astronomical Telescopes + Instrumentation, 2018, Austin, Texas, United States

Abstract

Using Fourier methods to reconstruct the phase measured by a wavefront sensor (WFS) can significantly re- duce the number of computations required, as well as easily enable predictive reconstruction methods based on knowledge of the adaptive optics system, atmospheric turbulence and wind profile. Previous work on Fourier re- construction has focused on the Shack-Hartmann WFS. With increasing interest in the highly sensitive Pyramid WFS we present the development of Fourier reconstruction tools tailored to the Pyramid sensor. We include the development of the Fourier model, it’s use for formulating error budgets and a laboratory demonstration of Fourier reconstruction with a Pyramid WFS.

Citation Download Citation

Charlotte Z. Bond, Carlos M. Correia, Jean-François Sauvage, Kacem El Hadi, Benoit Neichel, and Thierry Fusco "Fourier wavefront reconstruction with a pyramid wavefront sensor", Proc. SPIE 10703, Adaptive Optics Systems VI, 107034M (18 July 2018); https://doi.org/10.1117/12.2314028

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