In the present paper, threshold value method of diffracted intensity is put forward to process the test data, so the boundary of defect is legible.
采用衍射强度阈值法对测试数据进行处理，使得缺陷边界清晰可辨。
The diffracted light intensity on axis of a Spatial light Modulator (SLM) with Multi-level Phase Fresnel Zone Plate (MPFZP) is studied by diffraction optical method.
用衍射光学方法研究了加有多级相位菲涅尔波带片(MPFZP)的空间光调制器(SLM)的轴上衍射光强。
The use of photosensitive array makes it possible to obtain the distribution of diffracted light intensity with only one sampling.
由于本实验仪的光强采样部分使用了光敏阵列，从而一次采样即可得到衍射光强分布图形。
Based on the accurate expression of light intensity at transverse plane, the propagation characteristics of monochromatic planar wave diffracted by small circular aperture are analyzed in this paper.
采用横截面上光强的精确表述，分析了单色平面波微小圆孔衍射后，其衍射光束的传输特性。
The characteristics of axial intensity distribution of the diffracted field are analyzed.
分析了衍射场的轴上光强分布特点。
The characteristics of axial intensity distribution of the diffracted field are analyzed.
分析了衍射场的轴上光强分布特点。
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