Theoretical analysis shows that the splitter with high diffraction efficiency and uniform distributed light intensity can be designed by incidence Angle optimization.
理论分析表明，通过对入射角进行优化可以得到衍射效率高且光强分布均匀的分束器。
Well uniform gratings can be obtained and diffraction efficiency can be greatly enhanced by using this optimization scheme.
结果表明双侧紫外光照射能够实现均匀性较好的光栅，是提高衍射效率的有效途径之一。；
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