用于光波导耦合的倾斜光栅的分析
摘要 ~3RC>8*Qw
Ay{t254 /
[attachment=91443] \ x >65;
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。 _e!F~V.
2ij#
H
;
建模任务 ^ S#t|rN
A-ZmG7xk
[attachment=91444] 衍射效率与相对深度 UMN*]_'+;b
st 'D
[attachment=91445] 6>
{r6ixs1
在VirtualLab Fusion中通过傅里叶模态法（FMM）（也称为RCWA）进行仿真。 t_ur&.^SB
5HS~op2n/
[attachment=91446] &2I*0
[attachment=91447] [hRU&z;W
参考文献：J. Michael Miller, Nicole de Beaucoudrey, Pierre Chavel, Jari Turunen, and Edmond N]YtLa,t
Cambril, "Design and fabrication of binary slanted surface-relief gratings for a planar optical interconnection," Appl. Opt. 36, 5717-5727 (1997) 9F;S+)H4
H0"= Vs,n
衍射效率与倾斜角度 $ex!!rqN|
iGXBqUQ:
[attachment=91448] -p-0;Hy
在VirtualLab Fusion中通过傅里叶模态法（FMM）（也称为RCWA）进行仿真。 Cz^Q5F `
[attachment=91449] O3NWXe<
参考文献：J. Michael Miller, Nicole de Beaucoudrey, Pierre Chavel, Jari Turunen, and Edmond Cambril, "Design and fabrication of binary slanted surface-relief gratings for a planar optical interconnection," Appl. Opt. 36, 5717-5727 (1997) }vt%R.u
zX 7q:Pt
衍射效率与填充因子 =wq;@' U
'PWQnt_U
[attachment=91450] 在VirtualLab Fusion中通过傅里叶模态法（FMM）（也称为RCWA）进行仿真。 {w^uWR4f
_U)%kY8
[attachment=91451] v$w++3H
参考文献：J. Michael Miller, Nicole de Beaucoudrey, Pierre Chavel, Jari Turunen, and Edmond "zZI S6j
Cambril, "Design and fabrication of binaryslanted surface-relief gratings for a planar optical interconnection," Appl. Opt. 36, 5717-5727 (1997). KbxR
Lx]w
R,@g7p
衍射效率与变化的入射角 ;9uRO*H?T
(S^ck%]]a!
[attachment=91452] 光栅衍射效率通常受入射角影响较大。 Cef: tdk7
8r bG*6
走进VirtualLab Fusion bb =uF1
\.s` n2.w
[attachment=91453] VirtualLab Fusion中的工作流程 qS8B##x+=
•光波导耦合光栅结构的配置 ~y0R'oi
- 倾斜光栅的高级配置 o `r(`6@
Advanced Configuration of Slanted Grating v+1i = s2$
[用例] 'qv ;sB.
- 使用特殊介质配置光栅结构 ^~ L}<]
Configuration of Grating Structures by Using Special Media _`a&9i
&
[用例] XY+y}D
%
- 使用接口配置光栅结构 2>hz_o{5',
Configuration of Grating Structures by Using Interfaces #2%([w
[用例] Q1tpCT
•分析耦合光栅衍射效率 }C(5 -7
- 用于光导耦合光栅评估的自定义探测器 h
; kfh.
Customized Detector for Lightguide Coupling Grating Evaluation o7xgRSz\
[用例] GHN3PEJ>
•通过扫描特定参数来检查效率 8V5a%2eV
5JFV%odo
VirtualLab Fusion 技术 Rs$ 5PdH
t;#Gmo
[attachment=91454] [attachment=91455] BgRZ<B`
文件信息 ?~2Bi^ W5
Dl ;d33
[attachment=91456] {K7YTLWY
6f] r Q9
更多阅览 - Customized Detector for Lightguide Coupling Grating Evaluation Bh` IXu
F=&;Y@t
（来源：讯技光电）
|