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本文从宽谱热光光振动在垂直于光波传播方向的平面内的两个正交分量联合统计性质出发,导出偏振度概念,给出该两个正交分量在各种偏振态下的联合概率密度函数,从而全面描述了宽谱热光的偏振现象。Starting from the joint statistics of the orthogonal components of the broadband thermal light viberation, which are normal to the propagation direction of light wave, we derive the concept of polarization degree and the joint probability density functions of those two orthogonal components in various polarization states, so that an overall description of polarization of the broadband thermal light is obtained.
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