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28 August 2018 Quantifying scattering coefficient for multiple scattering effect by combining optical coherence tomography with finite-difference time-domain simulation method
Ling-Hsuan Tsai, Po Nien Yang, Chung-Chih Wu, Hoang Yan Lin
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Journal of Biomedical Optics, Vol. 23, Issue 8, 086004 (August 2018). https://doi.org/10.1117/1.JBO.23.8.086004
Abstract
In optical coherence tomography (OCT) systems, to precisely obtain the scattering properties of samples is an essential issue in diagnostic applications. Especially with a higher density turbid medium, the light interferes among the adjacent scatters. Combining an OCT experiment with the finite-difference time-domain simulation method, the multiple scattering effect is shown to affect the scattering properties of medium depending on the interparticle spacing. The far-field scattering phase function of scatters with various diameters was simulated to further analyze the corresponding anisotropy factors, which can be introduced into the extended Huygens-Fresnel theory to find the scattering coefficient of measured samples.
© 2018 Society of Photo-Optical Instrumentation Engineers (SPIE) 1083-3668/2018/$25.00 © 2018 SPIE
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Ling-Hsuan Tsai, Po Nien Yang, Chung-Chih Wu, and Hoang Yan Lin "Quantifying scattering coefficient for multiple scattering effect by combining optical coherence tomography with finite-difference time-domain simulation method," Journal of Biomedical Optics 23(8), 086004 (28 August 2018). https://doi.org/10.1117/1.JBO.23.8.086004
Received: 15 April 2018; Accepted: 3 August 2018; Published: 28 August 2018
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KEYWORDS
Scattering
Finite-difference time-domain method
Multiple scattering
Optical coherence tomography
Dielectrophoresis
Mie scattering
Light scattering
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