二次衍射

光栅二次衍射及其在精密定位中的应用

The Double Diffraction by Metrological Gratings and its Application on High Accuracy Positioning

Al-Cu-Mg合金中时效相S′的二次衍射效应研究

Study on double diffractions of s ' precipitate phase in Al-Cu-Mg alloy

激光粒度分析中的二次衍射

On the re & diffraction of laser partical size analysis

θ调制技术是阿贝二次衍射成像原理的一种巧妙应用。

Modulation technique is an ingenious application of Abel secondary diffraction image formation .

将二次衍射理论推导的结果与通过计算机模拟实验得到的结果进行了比较和分析，证明二者得出的结论一致。

The comparison between the theoretical derivation and the experimental data of the secondary diffraction was given and they show the same results .

通过理论公式的推导得到了二次衍射的强度分布公式，特别当衍射孔径关于原点对称时，它有着非常简单的形式。

A theoretical derivation was made to obtain the intensity distribution formula of the secondary diffraction . Particularly , the formula has more simple form when the aperture is origin-symmetric .

通过理论公式的进一步推导分析了二次衍射时的两种特殊情况，并提出了可以用另一种特殊的方式理解衍射现象。

This paper also analyzes two special cases of the secondary diffraction through the further derivation of the theoretical formula . And the theoretical derivation gives a completely new understanding about diffraction .

二次曝光全息图衍射光场的研究

Researches of diffraction field of double exposure holograms