A Digital Prism-based Wavefront Sensor Testbench (2019)
AuthorsEngler B, Weddell S, Clare Rshow all
In this paper, we present a simulation framework for a digital prism-based wavefront sensor. In simulation, we generate a digital prism wavefront sensor (3-sided, 4-sided and cone) and compute the linearity of the 3-sided digital prism wavefront sensor to the defocus aberration. We then use the same simulation tools, replacing the prism WFS phase map with a spatial light modulator in a laboratory set-up. This allows us to create a digital prism-based wavefront sensor in the laboratory. We then evaluate the linearity of a real 3-sided digital prism-based wavefront sensor and compare with our simulations.
CitationEngler B, Weddell S, Clare R (2019). A Digital Prism-based Wavefront Sensor Testbench. Quebec City: Adaptive Optics for Extremely Large Telescopes 6. 09/06/2019-14/06/2019. http://ao4elt6.copl.ulaval.ca/proceedings.html.
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