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Imaging through turbulence with a quadrature-phase optical interferometer
We present an improved technique for imaging through turbulence at visible wavelengths using a rotation shearing pupil-plane interferometer, intended for astronomical and terrestrial imaging applications. While previous astronomical rotation shearing interferometers have made only visibility modulus measurements, this interferometer makes four simultaneous measurements on each interferometric baseline, with phase differences of ͞2 between each measurement, allowing complex visibilitydoi:10.1364/ao.44.007424 pmid:16353815 fatcat:ub5jhbkdnvcm3j5deb34fngcke