Stokes polarimetry imaging of rat tail tissue in a turbid medium: degree of linear polarization image maps using incident linearly polarized light

Journal of Biomedical Optics
Paul J Wu, Joseph T Walsh

Abstract

Illumination with incident linearly polarized light on tissue and polarization state measurements of the remitted light provide a means by which various tissue structures can be differentiated. A rat tail is embedded within a turbid gelatin such that there is a variable depth of medium above it. By varying the incident polarization angle (IPA) of the illuminating linearly polarized light, the geometry, and the orientation angle of the tissue, a series of 2-D degree of linear polarization image maps are created using our Stokes polarimetry imaging technique. The image maps show locations of the polarization-sensitive structures in the rat tail, including soft tissue, intervertebral disks, and tendons. The observed morphologies in the image maps indicate locations where the depolarization of light differs according to the tissue type and underlying layers. The data indicate the importance of varying the IPA, and that tissue dichroism and birefringence affect the degree of linear polarization image maps. Diagnostic information regarding subsurface tissue structures is obtained.

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Citations

Nov 25, 2011·Journal of Biomedical Optics·Nirmalya Ghosh, I Alex Vitkin
Jul 10, 2010·Journal of Biomedical Optics·Ran LiaoHui Ma
Jan 21, 2015·Journal of Biophotonics·Pejhman GhassemiJessica C Ramella-Roman
Apr 29, 2016·Journal of Biomedical Optics·Valery V Tuchin
Dec 17, 2018·Journal of Biomedical Optics·Dan Linh LeThi-Thu-Hien Pham
Aug 5, 2017·Journal of Biomedical Optics·Wangzhong ShengAdah Almutairi
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Sep 28, 2020·Journal of Biophotonics·Ouafa SijilmassiMaría Del Carmen Barrio Asensio
Apr 25, 2021·Mathematical Biosciences and Engineering : MBE·Yingjie QuRonald X Xu

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