Using a simplified model of light interference, we discussed the physical essence of the spatial coherence demand on a photon correlation spectrum measurement system in dynamic light scattering.

利用光干涉的简化模型讨论了动态光散射中光子相关谱测量系统的空间相干性要求的物理本质。

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According to the polarization characteristics of scattered light, the traditional dynamic light scattering optical system is improved which is combined with polarization-gate detection technology.

根据散射光偏振特点，结合偏振门检测技术，改进了传统的动态光散射光学系统。

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