用于光波导耦合的倾斜光栅的分析
摘要 1d\K{ 7i#
P92:}" )*>
[attachment=91443] QtN 0|q{af
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。 ;P2~cQjD;
c$e~O-OVD?
建模任务 fcw \`.
,(c="L4[
[attachment=91444] 衍射效率与相对深度 \2N iI]t]
?|s[/zPS=
[attachment=91445] <m@U`RFm
在VirtualLab Fusion中通过傅里叶模态法（FMM）（也称为RCWA）进行仿真。 2B!nLL Cp+
u{H_q&1
[attachment=91446] (qPZEZKx
[attachment=91447]
VJ=!0v
参考文献：J. Michael Miller, Nicole de Beaucoudrey, Pierre Chavel, Jari Turunen, and Edmond (>;~ ((2
Cambril, "Design and fabrication of binary slanted surface-relief gratings for a planar optical interconnection," Appl. Opt. 36, 5717-5727 (1997) A@DIq/^xM
rz l2Oj"4
衍射效率与倾斜角度 *-P@|eg
niA{L:4
[attachment=91448] M2oKLRt) L
在VirtualLab Fusion中通过傅里叶模态法（FMM）（也称为RCWA）进行仿真。 X;6X
K$"
[attachment=91449] GbL,k? ey
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) E*
lqC h
%"KBX~3+Kj
衍射效率与填充因子 mS%D"
e
~z< ? Wh
[attachment=91450] 在VirtualLab Fusion中通过傅里叶模态法（FMM）（也称为RCWA）进行仿真。 ]h|GaHiE
F'*{ Fk
h
[attachment=91451] D2?7=5DgS
参考文献：J. Michael Miller, Nicole de Beaucoudrey, Pierre Chavel, Jari Turunen, and Edmond lT(MywNsg
Cambril, "Design and fabrication of binaryslanted surface-relief gratings for a planar optical interconnection," Appl. Opt. 36, 5717-5727 (1997). oa9T3gQ?
CV&
SN A
衍射效率与变化的入射角 t Gf
PMTyiwlm
[attachment=91452] 光栅衍射效率通常受入射角影响较大。 N86Hn]#
] "YG7|E U
走进VirtualLab Fusion BR W
=E,*8O]
[attachment=91453] VirtualLab Fusion中的工作流程 z!F?#L5
•光波导耦合光栅结构的配置 FD`V39##
- 倾斜光栅的高级配置 YE^|G,]
Advanced Configuration of Slanted Grating Pd@?(WQ
[用例] |H
|ewVUY
- 使用特殊介质配置光栅结构 EL +}ab2S
Configuration of Grating Structures by Using Special Media 35,SP R
[用例] s\ ~r
8
- 使用接口配置光栅结构 s\KV\5\o
Configuration of Grating Structures by Using Interfaces -bs~ {
[用例] U,+=>ns>
•分析耦合光栅衍射效率 w>!KUT
- 用于光导耦合光栅评估的自定义探测器 ( ^6SF>'
Customized Detector for Lightguide Coupling Grating Evaluation R"82=">v
[用例] icnp^2P
•通过扫描特定参数来检查效率 7pGlbdS
Z-/ E$j
VirtualLab Fusion 技术 Uq[NO JC
2?m 'Dy'JE
[attachment=91454] [attachment=91455] 4K4?Q+?
文件信息 PVU( R J
!J+5l&
[attachment=91456] jt;,7Ek
9cj:'KG)!
更多阅览 - Customized Detector for Lightguide Coupling Grating Evaluation yCm iW
%L4
IJs` 3 ?
（来源：讯技光电）
|