The potential capability of low coherence backscattering(LBS) is explored to determine the anisotropy factor based on azimuthal light backscattering map. The scattering intensity signal measured at azimuthal angle φ=...The potential capability of low coherence backscattering(LBS) is explored to determine the anisotropy factor based on azimuthal light backscattering map. The scattering intensity signal measured at azimuthal angle φ=0° is extracted for analysis. By performing nonlinear regression fitting on the experimental signal to the Henyey-Greenstein phase function, the anisotropy factor is determined. The experiments with tissue phantom consisting of the aqueous suspension of polystyrene microspheres are carried out. The results show that the measured anisotropy factor is well described by Mie theory.展开更多
基金supported by the National Natural Science Foundation of China(No.61108086)the Natural Science Foundation of Chongqing(Nos.2011BB5066 and 2012jj A0612)+3 种基金the Chongqing City Science and Technology Plan(No.cstc2012gg-yyjs0572)the Fundamental Research Funds for the Central Universities(Nos.CDJZR10160003 and CDJZR13160008)the China Postdoctoral Science Foundationthe Chongqing Postdoctoral Science Special Foundation of China
文摘The potential capability of low coherence backscattering(LBS) is explored to determine the anisotropy factor based on azimuthal light backscattering map. The scattering intensity signal measured at azimuthal angle φ=0° is extracted for analysis. By performing nonlinear regression fitting on the experimental signal to the Henyey-Greenstein phase function, the anisotropy factor is determined. The experiments with tissue phantom consisting of the aqueous suspension of polystyrene microspheres are carried out. The results show that the measured anisotropy factor is well described by Mie theory.