Share Email Print
cover

Journal of Biomedical Optics

Coupling between radiative transport and diffusion approximation for enhanced near-field photon-migration modeling based on transient photon kinetics
Format Member Price Non-Member Price
PDF $20.00 $25.00

Paper Abstract

Coupling between transport theory and its diffusion approximation in subdomain-based hybrid models for enhanced description of near-field photon-migration can be computationally complex, or even physically inaccurate. We report on a physically consistent coupling method that links the transport and diffusion physics of the photons according to transient photon kinetics, where distribution of the fully diffusive photons at a transition time is provided by a computation-saving auxiliary time-domain diffusion solution. This serves as a complementary or complete isotropic source of the temporally integrated transport equation over the early stage and the diffusion equation over the late stage, respectively, from which the early and late photodensities can be acquired independently and summed up to achieve steady-state modeling of the whole transport process. The proposed scheme is validated with numerical simulations for a cubic geometry.

Paper Details

Date Published: 5 May 2016
PDF: 4 pages
J. Biomed. Opt. 21(5) 050501 doi: 10.1117/1.JBO.21.5.050501
Published in: Journal of Biomedical Optics Volume 21, Issue 5
Show Author Affiliations
Mengyu Jia, Tianjin Univ. (China)
Huijuan Zhao, Tianjin Univ. (China)
Tianjin Key Lab. of Biomedical Detecting Techniques and Instruments (China)
Jiao Li, Tianjin Univ. (China)
Tianjin Key Lab. of Biomedical Detecting Techniques and Instruments (China)
Lingling Liu, Tianjin Univ. (China)
Limin Zhang, Tianjin Univ. (China)
Tianjin Key Lab. of Biomedical Detecting Techniques and Instruments (China)
Jingying Jiang, Tianjin Univ. (China)
Tianjin Key Lab. of Biomedical Detecting Techniques and Instruments (China)
Feng Gao, Tianjin Univ. (China)
Tianjin Key Lab. of Biomedical Detecting Techniques and Instruments (China)


© SPIE. Terms of Use
Back to Top