Abstract:Quasi-static speckles are a current limitation to faint companion imaging of
bright stars. Here we show through simulation and theory that an adaptive pupil
mask can be used to reduce these speckles and increase the visibility of faint
companions. This is achieved by placing an adaptive mask in the conjugate pupil
plane of the telescope. The mask consists of a number of independently
controllable elements which can either allow the light in the subaperture to
pass or block it. This actively changes the shape o… Show more
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