肌肉组织的光透射特性与辐射传输理论的修正

Light transmitting properties of muscle tissues and modification of radiative transfer theory

为了更确切地认识光在生物组织内的传输规律,通过实验测量研究了鸡肌肉组织和猪脂肪组织切片的光透射特性。结果表明,激光束经过肌肉组织后,能在远场处产生明显的衍射条纹。为了解释这种衍射现象,将衍射效应考虑进辐射传输模型,对辐射传输理论进行了修正。修正后的辐射传输理论不仅能定性地说明肌肉组织衍射现象的成因,而且其数值结果与实验现象吻合较好,说明了修正后辐射传输理论的正确性。

Light transmitted properties of chicken muscle tissue are experimentally measured under the condition of far field. And the results show that slice muscle tissue can make the incident laser beam generate obvious diffraction phenomena. In order to interpret the experimental results, the radiative transfer theory is modified and the diffraction effects are considered in the modified theory. According to the modified model, theoretical calculation is executed for light transmitted properties of chicken muscle tissues and the result is well matched with the experimental results.