用于光波导耦合的倾斜光栅的分析
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?9!6%]2D 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。 GzhYY"iif# CS2Bo 建模任务 9B{k , 1
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[attachment=91444] 衍射效率与相对深度 * aN RSfQNc9Z
[attachment=91445] ^]H5h ]U' 在VirtualLab Fusion中通过傅里叶模态法(FMM)(也称为RCWA)进行仿真。 Kz~ps
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. 参考文献:J. Michael Miller, Nicole de Beaucoudrey, Pierre Chavel, Jari Turunen, and Edmond :0Bq^G"ge Cambril, "Design and fabrication of binary slanted surface-relief gratings for a planar optical interconnection," Appl. Opt. 36, 5717-5727 (1997) yQU{zY SEo'(-5 衍射效率与倾斜角度 sZjQ3*<-r +[M6X}
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[attachment=91448] W<bGDh 在VirtualLab Fusion中通过傅里叶模态法(FMM)(也称为RCWA)进行仿真。
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[attachment=91449] @3) (BpFe 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) X$HIVxyq2 ZGBd%RWjG_ 衍射效率与填充因子 O9G[j=U ynq}76 H0k
[attachment=91450] 在VirtualLab Fusion中通过傅里叶模态法(FMM)(也称为RCWA)进行仿真。 SON-Z"v (SWYOMo"
[attachment=91451] IoxgjUa 参考文献:J. Michael Miller, Nicole de Beaucoudrey, Pierre Chavel, Jari Turunen, and Edmond tRs [ YK Cambril, "Design and fabrication of binaryslanted surface-relief gratings for a planar optical interconnection," Appl. Opt. 36, 5717-5727 (1997). 8NxM4$nQX 7S-ys+ 衍射效率与变化的入射角 *F+KqZ.2 8*W#DH!
[attachment=91452] 光栅衍射效率通常受入射角影响较大。 pM+ AjPr ]3x? 走进VirtualLab Fusion qz+dmef B\=L3eL<D
[attachment=91453] VirtualLab Fusion中的工作流程 Vp#JS3Y •光波导耦合光栅结构的配置 ^&B@Uw5{ - 倾斜光栅的高级配置 LzG%Z1` Advanced Configuration of Slanted Grating U\ ig: [用例] 2POXj!N - 使用特殊介质配置光栅结构 s(5Y Configuration of Grating Structures by Using Special Media iIvc43YV% [用例] O@tU.5*$5 - 使用接口配置光栅结构 ,-$LmECg Configuration of Grating Structures by Using Interfaces |WQBDB`W [用例] }{,^@xdyW •分析耦合光栅衍射效率
DH[p\Wy' - 用于光导耦合光栅评估的自定义探测器 v]'ztFA Customized Detector for Lightguide Coupling Grating Evaluation ?}Z1bH [用例] -c_74c50 •通过扫描特定参数来检查效率 srPWE^& |