Abstract
Ground-based interferometric imaging suffers from phase errors caused by the different atmospheric turbulence realizations above the separate telescopes, leading to the use of methods involving partial phase information such as closure phase. For a system having just two telescopes, however, closure phase cannot be used. Another form of partial phase information comes from the use of bandwidth, spreading a single measurement at one baseline into a spoke of measurements in the Fourier domain. For this type of phase information, for each spoke only a linear phase component is lost due to the atmosphere. We have developed an approach to reconstruct an object support and the object itself from sparse interferometric measurements missing the linear phase information along each spoke.
© 2013 Optical Society of America
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