多光束激光干涉技术已经广泛地应用到制作大面积的周期性结构。制作材料也从无机材料扩展到了有机材料。根据多光束干涉理论，模拟三光束激光发生干涉后的强度分布；在不改变入射角的条件下，仅通过调整偏振态组合得到二维“蜂窝”型(S-S-S，P-P-P)和“介质柱”型(C-C-C)周期性结构。同时，由于有机材料对于光偏振态的响应性质，对于干涉后偏振态的分布情况也进行了分析，发现在一个维格纳-赛兹(Wigner-Seitz)原胞中，线偏振组合干涉后得到的偏振态不是线偏振，而是出现线偏振到椭圆偏振再到圆偏振的变化。

Multi-beam interference technique has been widely used to fabricate large-scale periodic structures. The materials also extend from inorganic to organic. According to the interference theory, we simulate the intensity distribution of three-beam interference. With the same incident angle, we realize two dimensional‘air-hole’(SS-S, P-P-P) and‘dielectric-cylinder’(C-C-C) periodic structures only by changing the polarization configuration of interference beams. Meanwhile, because the organic materials have response properties to the polarization of light, we also analyze the interference polarization distribution. And we find that in one Wigner-Seitz cell, the linear polarization configuration results to the periodic polarization distribution: from linear polarization, to elliptic polarization, to circular polarization, instead of linear polarization.