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Appl Opt. 2004 Mar 1;43(7):1493-502.

Image formation in low-coherence and confocal interference microscopes.

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  • 1Physical Optics Laboratory, School of Physics, University of Sydney, New South Wales 2006, Australia. colin@nus.edu.sg


Image formation in the coherence probe microscope (CPM) and in optical coherence tomography (OCT) are compared. These systems differ in that CPM is a conventional interference microscope, but OCT is a confocal interference microscope. A major disadvantage of CPM for imaging through thick object structures is that there is no optical sectioning for the background image, which can saturate the detector. The behavior of the interference term in the presence of aberrations also exhibits some differences: Aberrations can be compensated in CPM, but not in OCT.

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