Photonic lantern wavefront reconstruction in a multi-wavefront sensor single-conjugate adaptive optics system
Aditya Sengupta,
Jordan Diaz,
Benjamin L. Gerard
et al.
Abstract:Exoplanet direct imaging using adaptive optics (AO) is often limited by non-common path aberrations (NCPAs) and aberrations that are invisible to traditional pupil-plane wavefront sensors (WFSs). This can be remedied by focal-plane (FP) WFSs that characterize aberrations directly from a final science image. Photonic lanterns (PLs) can act as low-order FPWFSs with the ability to direct some light to downstream science instruments. Using a PL on the SEAL (Santa Cruz Extreme AO Laboratory) high-contrast imaging t… Show more
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