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Journal of Biomedical Optics

Analytical Green’s function for the fluorescence simplified spherical harmonics equations in turbid medium
Author(s): Limin Zhang; Xi Yi; Jiao Li; Huijuan Zhao; Feng Gao
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Paper Abstract

It is more complicated to write the analytical expression for the fluorescence simplified spherical harmonics (SPN) equations in a turbid medium, since both the processes of the excitation and emission light and the composite moments of the fluence rate are described by coupled equations. Based on an eigen-decomposition strategy and the well-developed analytical methods of diffusion approximation (DA), we derive the analytical solutions to the fluorescence SPN equations for regular geometries using the Green’s function approach. By means of comparisons with the results of fluorescence DA and Monte Carlo simulations, we have shown the effectiveness of our proposed method and the expected advantages of the SPN equations in the case of small source–detector separation and high absorption.

Paper Details

Date Published: 14 July 2014
PDF: 3 pages
J. Biomed. Opt. 19(7) 070503 doi: 10.1117/1.JBO.19.7.070503
Published in: Journal of Biomedical Optics Volume 19, Issue 7
Show Author Affiliations
Limin Zhang, Tianjin Univ. (China)
Tianjin Key Lab. of Biomedical Detecting Techniques and Instrument (China)
Xi Yi, Tianjin Univ. (China)
Jiao Li, Tianjin Univ. (China)
Tianjin Key Lab. of Biomedical Detecting Techniques and Instrument (China)
Huijuan Zhao, Tianjin Univ. (China)
Tianjin Key Lab. of Biomedical Detecting Techniques and Instrument (China)
Feng Gao, Tianjin Univ. (China)
Tianjin Key Lab. of Biomedical Detecting Techniques and Instrument (China)


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