A practical method of optical logic coding by 4f system is designed.
设计了用4f系统进行光学逻辑编码的方法。
2
In this paper three-dimensional object field can be transformed into three-dimensional image field by the 4f Fourier lens system according to the theory and experiment.
本文从理论和实验上应用4 F富里叶变换透镜系统，把三维物场转换为三维象场。
3
We use the pump-probe 4F imaging technique combining the Fourier optics and nonlinear optics to study the optical nonlinear dynamics of Kerr liquids, organic macromolecules and semiconductors.