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。
A method for proving crystal birefringence is presented. Thepolarization state of monochromatic plane electromagnetic wave is obtained for intermediate category.
给出了一种证明晶体双折射的方法，并求得单色平面电磁波在中级晶体中的偏振态。
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