Reconstruction in interferometric synthetic aperture microscopy: comparison with optical coherence tomography and digital holographic microscopy |
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| Authors: | Sheppard Colin J R Kou Shan Shan Depeursinge Christian |
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| Affiliation: | Optical Bioimaging Laboratory, Division of Bioengineering, National University of Singapore, Singapore. colin@nus.edu.sg |
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| Abstract: | It 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. |
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