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。
2
An interference method is proposed to measure the thermal deformation of solid state laser's end surface easily and in real time with high spatial precision.
提出了一种易于实现、高空间精度、实时测量激光端面抽运固体激光器端面热形变的干涉测量方法。
3
The spatio-temporally modulated imaging Fourier transform spectrometers obtain two-dimensional spatial images modulated by interference pattern, and are sensitive to the change of attitude.