The relative intensity of Fresnel single-silt diffraction can be expressed approximately by means of two simpler integrals.
通过计算两个简单的积分值，可近似表示菲涅耳单缝衍射的相对光强。
The diffraction of Gaussian beams at an square aperture is studied based on the Kirchhoff and Fresnel diffraction integrals.
使用基尔霍夫衍射积分公式和菲涅耳衍射积分公式对高斯光束通过方孔光阑的衍射进行了研究。
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