高效偏振无关透射光栅的分析与设计
摘要 当光栅的特征尺寸与波长相当时，具有偏振相关的光学特性。这使得难以针对任意偏振设计出具有高衍射效率的光栅。根据文献中的概念,我们将展示如何严格分析光栅的偏振相关特性，以及如何使用参数优化设计具有高衍射效率的偏振无关光栅。https://img.jishulink.com/upload/202310/543656d278d34a18b5be40572d9a56ad.png
建模任务
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光栅特性与参数的严格分析 不同光栅周期下的衍射效率
https://img.jishulink.com/upload/202310/b41eaf82a83b48668d66ec536f5f8ae5.png
关于光栅周期选择的考虑
https://img.jishulink.com/upload/202310/7199f118753e46df967fb4e8d28a07c4.png
偏振相关的衍射特性
https://img.jishulink.com/upload/202310/8dcf88a29c9a438faa14b108e02bc647.png
https://img.jishulink.com/upload/202310/74fcc192638844cfab4ad049cb9e223d.png
https://img.jishulink.com/upload/202310/dc7df5660cc040bb81ef3defc5879c90.png
通过参数优化进行光栅设计 固定周期的2D参数优化
https://img.jishulink.com/upload/202310/af7809836bb44f66b0bb13df9aa19241.png
2D参数优化–设计1
https://img.jishulink.com/upload/202310/7bacdbc4a3f84bf6ad5f2af2231e23cd.png
2D参数优化–设计2
https://img.jishulink.com/upload/202310/ec12e8cd7967493ab431a1129a041647.png
制造公差分析–设计2
https://img.jishulink.com/upload/202310/12751c644d764b76b5d39b5da1495c88.png
变化光栅周期的3D参数优化
https://img.jishulink.com/upload/202310/af3c8d5f699a4b8bbb1aeb54c6d436e6.png
制造公差分析
https://img.jishulink.com/upload/202310/522c235290ca4c80a779359fc508e8d9.png
走进VirtualLab Fusion
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VirtualLab Fusion中的工作流程
https://img.jishulink.com/upload/202310/30867c457108496490a274acdd739e55.png
•构造光栅结构
−通过使用界面来配置光栅结构
[用例]
•分析光栅衍射效率
−光栅级次分析器[用例]
•使用参数运行搜索初始解决方案
−参数运行文档的使用[用例]
•通过参数优化找到最终设计
VirtualLab Fusion技术
https://img.jishulink.com/upload/202310/b36ce461334c45f7957c90242064a814.png
文件信息
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