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Projected index computed tomography
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DOI：10.1364/OL.28.000701.png)
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Projected index computed tomography (PICT) is a new imaging technique that provides a computed reconstruction of the index of refraction of a sample. PICT makes use of data from standard optical coherence tomography images taken from several view angles to determine a mapping of the refractive indices of the sample. A rectilinear propagation model is assumed, so the data are understood to be related to the line integral of the refractive index in the beam paths. These data thus provide a set of angular projections of the sample. The spatial distribution of the index of the object may then be reconstructed by use of standard filtered backprojection techniques. The resultant PICT images are free of the spatial distortion that is inherent in standard optical cross-sectional images and correspond well to the manufactured dimensions of specific samples. (C) 2003 Optical Society of America.
Keyword:
OPTICAL COHERENCE TOMOGRAPHY
CONFOCAL MICROSCOPY
REFRACTIVE-INDEX
GENE-EXPRESSION
RESOLUTION
期刊
IF:
3.3
论文数:
4.0W
被引数:
7.6W
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