夫朗

微小尺寸夫朗荷费衍射测量中的误差研究

Error research in measuring small dimensions by Fraunhofer diffraction

以夫朗禾费衍射理论为基础，结合微透镜，设计了一种高性能的数字式太阳敏感器复合光学系统。

Based on the Fraunhofer diffraction theory and a microlens , a high-performance complex optical system for a digital sun sensor is designed .

简要介绍了光学全息技术、计算全息技术的发展及应用、空间滤波、菲涅尔衍射和夫朗禾费衍射、计算全息编码等基本理论与方法。

Brief introduced the development and application of optical holography and computer generated hologram , the basic theory of CGH , spatial filtering , Fresnel diffraction and Fraunhofer Wo Fei diffraction , computer generated hologram coding .

本文从夫朗禾费积分公式出发，论述了不同遮拦比的双反射光学系统I0（环）/I0（孔）的计算与测试方法，并通过计算和测量获得了有实用价值的数据。

Based on frauhofer diffraction integral formula , the calculation and testing method of I_0 ( annulation ) / I_0 ( aperture ) for different obstruction ratio of double reflection optical system are described in this paper .

文中给出了一个以氟化氪固体激光器做光源，以电荷耦合图像传感器为光屏，应用夫朗禾费衍射原理，实现对细丝直径在线检测自动控制。

This paper attempts to give a conception about the automatic detection of thin line diameters by using the KrF laser as a light source and the charge couple image transfer device as a light screen . The principle is the diffraction of Fraunhofer .