Abstract
Precision optical wavefront metrology is crucial in a range of areas, including direct imaging of exoplanets. Although ground-based systems have reached high sensitivities, systems that are suitable for space use using stellar photons for sensing are lacking. In work published this year, we have developed a robust phase reconstruction expression that allows very accurate measurement of small phase changes at the highest spatial frequencies possible, targeting very small signals to demonstrate its applicability for space-based high-contrast missions
Published Version
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