Special Section on Polarized Light for Biomedical Applications

Quantitative mapping of collagen fiber alignment in thick tissue samples using transmission polarized-light microscopy

[+] Author Affiliations
Dmitry D. Yakovlev, Marina E. Shvachkina, Maria M. Sherman, Andrey V. Spivak, Alexander B. Pravdin, Dmitry A. Yakovlev

Saratov State University, Faculty of Physics, Department of Optics and Biophotonics, Astrakhanskaya 83, Saratov 410012, Russia

J. Biomed. Opt. 21(7), 071111 (Mar 30, 2016). doi:10.1117/1.JBO.21.7.071111
History: Received October 31, 2015; Accepted March 4, 2016
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Abstract.  Immersion optical clearing makes it possible to use transmission polarized-light microscopy for characterization of thick (200 to 2000  μm) layers of biological tissues. We discuss polarization properties of thick samples in the context of the problem of characterization of collagen fiber alignment in connective tissues such as sclera and dermis. Optical chirality caused by azimuthal variations of the macroscopic (effective) optic axis of the medium across the sample thickness should be considered in polarization mapping of thick samples of these tissues. We experimentally evaluate to what extent the optical chirality affects the measurement results in typical situations and show under what conditions it can be easily taken into account and does not hinder, but rather helps, in characterization of collagen fiber alignment.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Dmitry D. Yakovlev ; Marina E. Shvachkina ; Maria M. Sherman ; Andrey V. Spivak ; Alexander B. Pravdin, et al.
"Quantitative mapping of collagen fiber alignment in thick tissue samples using transmission polarized-light microscopy", J. Biomed. Opt. 21(7), 071111 (Mar 30, 2016). ; http://dx.doi.org/10.1117/1.JBO.21.7.071111


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