Low‐coherent optical diffraction tomography by angle‐scanning illumination

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Temporally low‐coherent optical diffraction tomography (ODT) is proposed and demonstrated based on angle‐scanning Mach‐Zehnder interferometry. Using a digital micromirror device based on diffractive tilting, the full‐field interference of incoherent light is successfully maintained during every angle‐scanning sequences. Further, current ODT reconstruction principles for temporally incoherent illuminations are thoroughly reviewed and developed. Several limitations of incoherent illumination are also discussed, such as the nondispersive assumption, optical sectioning capacity and illumination angle limitation. Using the proposed setup and reconstruction algorithms, low‐coherent ODT imaging of plastic microspheres, human red blood cells and rat pheochromocytoma cells is experimentally demonstrated.
Publisher
WILEY-V C H VERLAG GMBH
Issue Date
2019-05
Language
English
Article Type
Article
Citation

JOURNAL OF BIOPHOTONICS, v.12, no.5

ISSN
1864-063X
DOI
10.1002/jbio.201800289
URI
http://hdl.handle.net/10203/263333
Appears in Collection
PH-Journal Papers(저널논문)
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