Taking 4 step and 8 step and 16 step Fresnel lens for example, the effect of alignment error on diffractive efficiency is analyzed systematically and simulated by computer.
并以4台阶、8台阶、16台阶菲涅耳透镜为例，系统分析对准误差对衍射效率的影响并进行计算机模拟研究。
The formula of numerical computing is presented with discretion for Fresnel diffraction and phase numerical reconstruction of wave front.
从光的菲涅耳衍射、波前相位重构入手，对连续信号进行了离散化处理，给出了数值计算公式。
The results of computer simulation can provide theoretical basis for the fabrication of Fresnel lens.
模拟计算结果对多阶菲涅耳透镜的制作提供重要的理论指导。
应用推荐