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Proceedings Paper

Study of photon migration in skeletal muscle
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Paper Abstract

A clear understanding of how light propagation in muscle is important for developing optical methods for muscle characterization. We investigated photon migration in muscle by imaging the optical reflectance from fresh prerigor skeletal muscles. We found the acquired reflectance patterns can not be described using existing theories. In order to quantify the equi-intensity contours of acquired reflectance images, we developed a numerical fitting function. Using this model, we studied the changes of reflectance profile during stretching and rigor process. The observed unique anisotropic features diminished after rigor completion. These results suggested that muscle sarcomere structures played important roles in modulating light propagation in whole muscle. To explain the observed patterns, we incorporated the sarcomere diffraction in a Monte Carlo model and we showed that the resulting reflectance profiles quantitatively resembled the experimental observation.

Paper Details

Date Published: 12 October 2007
PDF: 8 pages
Proc. SPIE 6761, Optics for Natural Resources, Agriculture, and Foods II, 67610I (12 October 2007); doi: 10.1117/12.733359
Show Author Affiliations
J. Ranasinghesagara, Univ of Missouri, Columbia (United States)
G. Yao, Univ of Missouri, Columbia (United States)


Published in SPIE Proceedings Vol. 6761:
Optics for Natural Resources, Agriculture, and Foods II
Yud-Ren Chen; George E. Meyer; Shu-I Tu, Editor(s)

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