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An analytic solution to the general problem of light scattering by two concentric optically active, i.e., chiral, spheres is solved, and the nature of the solution in some special cases is analyzed. Since no restriction is imposed on the properties of the incident light, such as an amplitude distribution or the state of polarization, the solution obtained here can be applied to any conceivable experimental situations by adjusting the expansion coecients of the incident light in terms of vector spherical harmonics in accordance with its nature. This solution is especially relevant to the optical characterization of biological cells which contain chiral constituents, such as DNA in the nuclei.


An analytic solution to the general problem of light scattering by two concentric optically active, i.e., chiral, spheres is solved, and the nature of the solution in some special cases is analyzed. Since no restriction is imposed on the properties of the incident light, such as an amplitude distribution or the state of polarization, the solution obtained here can be applied to any conceivable experimental situations by adjusting the expansion coecients of the incident light in terms of vector spherical harmonics in accordance with its nature. This solution is especially relevant to the optical characterization of biological cells which contain chiral constituents, such as DNA in the nuclei.