Internally focused phase optical transfer function for spatial light interference microscopy
Jingde Fang,
Peng Liu,
Zachary J. Smith
et al.
Abstract:The phase optical transfer function (POTF) is a critical aspect of image formation theory for high-resolution phase imaging such as spatial light interference microscopy. However, current analytic formulae for the POTF do not match experimental results. Further, when used for deconvolution, halo artifacts still persist, and the contrast improvement is rather limited. We hypothesize that one of the reasons for this is that, during the derivation of POTF, the objective is assumed to focus at a plane outside of t… Show more
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