摘要 
因为倾斜光栅在特定衍射级中具有高效率,故通常被用于将光耦合到光学光波导中。 如今,它们经常应用于增强和混合现实应用中。 本案将展示如何使用VirtualLab Fusion对文献中的某些倾斜光栅的几何形状,具体参数如倾斜角度,填充因子和调制深度进行分析。 此外,本案例还研究了不同入射角对衍射效率的影响。
建模任务
衍射效率与相对深度 
在VirtualLab Fusion中通过傅里叶模态法(FMM)(也称为RCWA)进行仿真。

参考文献:J. Michael Miller, Nicole de Beaucoudrey, Pierre Chavel, Jari Turunen, and Edmond Cambril, "Design and fabrication of binary slanted surface-relief gratings for a planar optical interconnection," Appl. Opt. 36, 5717-5727 (1997)
衍射效率与倾斜角度 
在VirtualLab Fusion中通过傅里叶模态法(FMM)(也称为RCWA)进行仿真。

参考文献:J. Michael Miller, Nicole de Beaucoudrey, Pierre Chavel, Jari Turunen, and Edmond Cambril, "Design and fabrication of binary slanted surface-relief gratings for a planar optical interconnection," Appl. Opt. 36, 5717-5727 (1997)
衍射效率与填充因子 
在VirtualLab Fusion中通过傅里叶模态法(FMM)(也称为RCWA)进行仿真。

参考文献:J. Michael Miller, Nicole de Beaucoudrey, Pierre Chavel, Jari Turunen, and Edmond Cambril, "Design and fabrication of binaryslanted surface-relief gratings for a planar optical interconnection," Appl. Opt. 36, 5717-5727 (1997).
衍射效率与变化的入射角 
光栅衍射效率通常受入射角影响较大。
走进VirtualLab Fusion
VirtualLab Fusion中的工作流程•光波导耦合光栅结构的配置 - 倾斜光栅的高级配置Advanced Configuration of Slanted Grating [用例] - 使用特殊介质配置光栅结构Configuration of Grating Structures by Using Special Media [用例] - 使用接口配置光栅结构Configuration of Grating Structures by Using Interfaces [用例]•分析耦合光栅衍射效率 - 用于光导耦合光栅评估的自定义探测器Customized Detector for Lightguide Coupling Grating Evaluation [用例]•通过扫描特定参数来检查效率
VirtualLab Fusion 技术 
文件信息 
更多阅览
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Customized Detector for Lightguide Coupling Grating Evaluation