Anisotropic optical property of a bio-medium with highly photon-scattering anisotropic bio-molecules

Tsu-Wei Nee; Soe-Mie F. Nee

doi:10.1117/12.840126

26 February 2010 Anisotropic optical property of a bio-medium with highly photon-scattering anisotropic bio-molecules

Tsu-Wei Nee, Soe-Mie F. Nee

Proceedings Volume 7573, Biomedical Applications of Light Scattering IV; 757312 (2010) https://doi.org/10.1117/12.840126
Event: SPIE BiOS, 2010, San Francisco, California, United States

Abstract

Tissues are optically anisotropic and highly photon scattering media. By using a simple ellipsoid model of bio-molecules with anisotropic distribution and using an effective mean-field theory, the principal anisotropic index of refraction n_j(ω) and absorption extinction coefficient K_aj(ω), (j = x,y,z) are derived. The scattering extinction coefficient K_sj is calculated from our scattering depolarization theory of highly scattering bio-medium. The criterion of optical isotropy and anisotropy of a bio-medium is derived. The non-vanishing ▵n, ▵K_a and ▵K_s exist for medium with anisotropic molecules only. ▵K_s/<K_s> is larger for medium with higher density.

Citation Download Citation

Tsu-Wei Nee and Soe-Mie F. Nee "Anisotropic optical property of a bio-medium with highly photon-scattering anisotropic bio-molecules", Proc. SPIE 7573, Biomedical Applications of Light Scattering IV, 757312 (26 February 2010); https://doi.org/10.1117/12.840126

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