用于光波导耦合的倾斜光栅的分析
摘要 l*]9 p_h)|*W{
[attachment=91443] 09?n5x!6 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。 "j|}-a nsR^TD;
建模任务 lOp/kGmn+ JmN,:bI
[attachment=91444] 衍射效率与相对深度 N_S>%Z+ o%#Z
[attachment=91445]
/;LteBoY 在VirtualLab Fusion中通过傅里叶模态法(FMM)(也称为RCWA)进行仿真。 DDxNqVVt4 ,Nl]rmI
[attachment=91446] u*_I7.}9
[attachment=91447] - bL
7M5 参考文献:J. Michael Miller, Nicole de Beaucoudrey, Pierre Chavel, Jari Turunen, and Edmond ^aVoH/q*C Cambril, "Design and fabrication of binary slanted surface-relief gratings for a planar optical interconnection," Appl. Opt. 36, 5717-5727 (1997) #6{"cr6l ]:TX> X! 衍射效率与倾斜角度 : sIZ+3 o?A/
[attachment=91448] :H[E
W3Q 在VirtualLab Fusion中通过傅里叶模态法(FMM)(也称为RCWA)进行仿真。 6_/oVvd
[attachment=91449] $$YLAgO4 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) !fdni}f) c)Ft#vzg&e 衍射效率与填充因子 B.fLgQK0 }D.?O,ue
[attachment=91450] 在VirtualLab Fusion中通过傅里叶模态法(FMM)(也称为RCWA)进行仿真。 =y >P>&sI Gjuc"JR7
[attachment=91451] -k\7k2 参考文献:J. Michael Miller, Nicole de Beaucoudrey, Pierre Chavel, Jari Turunen, and Edmond ;aYPv8s~,: Cambril, "Design and fabrication of binaryslanted surface-relief gratings for a planar optical interconnection," Appl. Opt. 36, 5717-5727 (1997). J{72%S qg#WDx / 衍射效率与变化的入射角 Y+N^_2@+C GEP YSp
[attachment=91452] 光栅衍射效率通常受入射角影响较大。 'qLk"
aq3evm 走进VirtualLab Fusion oQ!} @CaN| 6$wS7Cu
[attachment=91453] VirtualLab Fusion中的工作流程 b><jhbv •光波导耦合光栅结构的配置 /:dVW"A| - 倾斜光栅的高级配置 *|AnL}GJ Advanced Configuration of Slanted Grating EVmQ"PKL' [用例] (_]{[dFr% - 使用特殊介质配置光栅结构 lD2>`s5 Configuration of Grating Structures by Using Special Media q|2{W.P5qi [用例] FM9b0qE - 使用接口配置光栅结构
7-Rn{"5 Configuration of Grating Structures by Using Interfaces {neE(0c [用例] 'ntb.S) •分析耦合光栅衍射效率 lj%8(X u - 用于光导耦合光栅评估的自定义探测器 ?zUV3Qgzj Customized Detector for Lightguide Coupling Grating Evaluation [$?S9)Xd [用例] &nn!{S^ •通过扫描特定参数来检查效率 )?'sw5C f4s[R0l VirtualLab Fusion 技术 [.< |