Sheppard, Colin J. R.Kou, Shan ShanDepeursinge, Christian2012-04-052012-04-052012-04-05201210.1364/JOSAA.29.000244https://infoscience.epfl.ch/handle/20.500.14299/79198WOS:000301064100008It is shown that the spatial frequencies recorded in interferometric synthetic aperture microscopy do not correspond to exact backscattering [as they do in unistatic synthetic aperture radar (SAR)] and that the reconstruction process based on SAR is therefore based on an approximation. The spatial frequency response is developed based on the three-dimensional coherent transfer function approach and compared with that in optical coherence tomography and digital holographic microscopy. (C) 2012 Optical Society of America3-Dimensional Image-FormationInterference MicroscopyScanning MicroscopeConfocal MicroscopyInverse ScatteringAnnular LensesReflectionApproximationMediaBeamtext::journal::journal article::research article