doi: 10.1364/AO.34.005699.
Multiple scattering in optical coherence microscopy
- PMID: 21060400
- DOI: 10.1364/AO.34.005699
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Multiple scattering in optical coherence microscopy
Appl Opt.
.
Abstract
We show that the multiple-scatter rejection provided by optical coherence microscopy (low-coherence interferometry) can be incomplete in optically turbid media and that multiple scattering manifests itself in two distinct ways. Multiple small-angle scattering results in an effective probe field that is stronger than expected from a first-order beam extinction model, but that contains a distorted wave front that enhances the apparent reflectance of small structures relative to those that are larger than the unscattered incident beam. Multiple wide-angle scattering produces a broad diffuse haze that reduces the contrast of subsequent features.
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