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Abstract
Light scattered from the biological samples like tissue, cells etc. contain rich structural, functional and chemical information of potential biomedical importance. Most often unpolarized measurements are used. In the recent past polarized light is being explored, as polarizations measurements provide the additional diagnostic parameters which cannot be obtained from unpolarized measurements. Therefore motivated by promises of polarized light many studies were carried out for biomedical diagnostic and imaging. Different polarization parameters like depolarization, retardance and diattenuation is being explored for different applications. However confounding and overlapping effect of all these properties make it difficult to extract useful parameters by simple polarization measurements, thus required Mueller matrix measurements. A Mueller formalism is coming up as a promising technique recently for biomedical diagnosis and imaging. In this article therefore we will briefly discuss the Mueller polarimetry and its aspects for different biomedical applications.