Ansys2025全球仿真大会：基于Ansys的增强现实光学设计

2025

ANSYS,

Inc.

。

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HnnanAdvanceen/nsys基于ANSYS的增强现实光学设计仿真李宏宇

IAnsys高级应用工程师增强现实眼镜与AI深度融合，打造实时，沉浸式，个性化的信息和服务体验。•实时视觉识别•智能语音助手•实时翻译•沉浸式导航AR增强现实

XAI：下一代智能交互入口©2025

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nsys2

Opticalsystemmodelling&validationSystem-Design-Level

Individual

3Denvironment

integration

Lighting

evaluation

HumanVision

rendering

Customer’s

perceptionfordecision

makingOpticaldesign&

modelingOptical-Design-Level

Optical

design

Opticalvalidation

Opticaltoleranceanalysis

MechanicaltoleranceanalysisPhotonicComponentModelingNano-Chip-Level

Waveguide

development

Sensor&

Emitter

development

Nanostructuredesign

HR-ARcoating

layerdesignAnsys光学解决方案子部件到系统的端到端解决方案©2025

ANSYS,

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nnan

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nsysFrom

Nano

To

Macro

ToSystem3

衍射光波导增强现实眼镜仿真目标•设计基于衍射光波导的AR增强现实眼镜•构建虚拟原型以实现系统级评估工作流•(Zemax

OpticStudio)投影透镜•(Lumerical/Zemax

OpticStudio/optiSLang)衍射波导优化•(Speos)

光/机结合•(Speos)

系统级分析产品优势•

借助完整的虚拟原型，可在设计流程中更早开展系统级评估与开发，并能减少物理原型的使用。•

Ansys光学设计环境提供透镜、衍射光栅和系统设计工具，数据传输便捷与兼容性好。©2025

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nsys4

投影镜头设计(ZemaxOpticStudio)©2025ANSYS,

Inc.SpecificationsEFL12.896mmF/#2.6FOV40

degreesTTL32.452mmMax

Lens

Diameter≈16mmDisplaySize4mm*4mm(Max

Image

Circle

inthis

designφ9.2mm)SurfaceType1&5

EvenAsphereOthersSphereSMIATV

Distortion-0.0546%ColorAberrationsLateralColorAberrations

<3μm@0.6FRelativeIllumination>95%@0.6F(0.6F

matches

DisplaySize)MTF>0.4@0.6F@83lp/mm

(matchDisplay,83lp/mmasNy

ofdisplay)透镜设计•Zemax

OpticStudio

is

used

for

lens

optimization

and

evaluation,

based

on

specs

shown

here©2025

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nsys6

多物理场仿真流程：STAR---精确模拟由结构或热因素引起的对光学性能的影响©2025

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nsys12437

衍射光波导设计和优化(Lumerical+ZemaxOpticStudio+

optiSLang)©2025ANSYS,

Inc.Lumerical

RCWA+ZemaxOpticStudio：动态链接•

ZemaxOpticStudio通过DLL动态链接Lumerical

RCWA求解器dynamically在

Zemax

仿真中，当光线与光栅发生相互作用时，Lumerical

RCWA

会在后台自动调用。操作主要在

Zemax

图形用户界面中进行；与

Zemax

优化功能兼容。callreturncallreturn*Inthe

background©2025

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nsysPlugin

(.dll)ZemaxLumericalZemaxOpticStudioLumerical9

波导设计•Each

display

uses3

linear

gratings:-

Simple

binary-type

in-couplergrating-

Slant-gratingforthe

pupilexpanderandout-coupler•Grating

parameterswill

bevariedwith

positionalongthegrating

axis•Uniformity

andtotalfluxata

singleeyebox

plane

will

be

optimized©2025

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nsysBinaryGratingStructureSlantedGratingStructurePupilexpanderOut-couplerEvaluationIn-coupler10

衍射光栅优化

–Optislang•

Utilize

OptiSLangforgrating

parameter

optimization-optiSLang

EvolutionaryAlgorithm

is

highly

efficientfor

non-sequential

opt-Variable

limits

can

beset

(i.e.slant

angle<

40o,

etc.)-Virtual

parameters

can

be

usedto

reducetotal

number

ofvariablesDepth(x)

=V11+

(V12-V11)*x^V13DutyCycle(x)

=V21+

(V22-V21)*x^V23Slant(x)=V31

+

(V32-V31)*x^V33xP。werinnn。vatienThatDrves

HnnanAdvancennentnsys11©2025ANSYS,

Inc.1.Augmentedrealitydisplay

withhigheyeboxuniformityover

the

full

field

ofviewbased

on

a

random

maskgrating12

©2025

ANSYS,

Inc.

P。werinnn。vatienThatDrves

HnnanAdvancennentnsys渐变光栅分布与拼接结构的对比•分段越多，均匀性越好•更美观渐变光栅分区光栅LumericalSub-Wavelength

Model:

HowtoSimulateaGrating

with

Spatial

Variations

–

Ansys

Optics13

©2025

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Inc.

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HnnanAdvancennentnsysAR渐变光栅设计仿真定制化脚本可支持几何参数（如占空比、深度）光栅折射率等渐变占空比渐变深度AR渐变光栅设计仿真定制化脚本可支持几何参数变化，如占空比、深度、光栅折射率等©2025

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nsys线性渐变分区14

系统级仿真分析(Speos)©2025ANSYS,

Inc.Speos数据导入和继承•导入CAD数据(或SpaceClaim中绘制)•导入lumerical

光栅衍射文件•

通过Optical

Design

Exchange

(ODX)导入zemax镜头-

Zemax可以一键导出ODX文件-

导入Speos后镜头结构材料镀膜和传感器几何会被自动设置-

支持GPU计算©2025

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nsysSpeos:

自动建立镜片结构并

赋予光学属性Zemax:一键导出Speos:一键导入16

系统级显示分析•

HDR

背景，CAD建模，渲染建模（gltf）可被添加进工程作为背景•

亮度传感器可自由放置在眼睛位置、设备外部等地方。•

通过虚拟原型进行光学分析加快开发流程©2025

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nsys17

系统评估：图像质量与感知•

通过PhotometricViewer（光度学查看器）以亮度单位评价对比度和亮度•

HumanVisionViewer

可以实现虚拟样件评估•

景深、周边视力、适应能力、眩光、年龄等因素均包含在显示渲染中。•

文本可读性和对比度特征也可分析。P。werinnn。vatienThatDrves

HnnanAdvancennentnsysPhotometricViewer(Falsecolor)HumanVisionViewer18©2025ANSYS,

Inc.Legibility系统级分析:佩戴•

Mechanicalfitsystemcan

beevaluated

based

on

head

models•

Displaycontrastandcolor

uniformitycan

be

assessed

across

eyebox

positions©2025

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Inc.

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nsys19

©2025

ANSYS,

Inc.

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Advancennent

nsys系统级分析:

Live

Preview20系统级分析:户外对比度•对于设计用于户外的设备，其显示屏亮度必须能够克服强光照射的环境。•在显示屏亮度固定的情况下，环境光照度从

一千勒克斯、一万勒克斯、十万勒克斯（=

晴朗的白天）逐步变化。此处显示：根据环境亮度调整的眼睛适应度（人类视觉观察器）晴朗天空,

日落

(1k

lux)晴朗天空,早晨

(10k

lux)晴朗天空,

下午

(100k

lux)©2025

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nsys21系统级分析：杂散光•

Light

Expert,Virtual

LightingController,Sequence

Detectionpowering

InnovationThatDrivesHnnanAdvancennent/nsys©2025ANSYS,

Inc.22系统级分析：虚实结合室内场景仿真HDR背景，CAD建模，渲染建模（gltf）可被添加进工程作为背景©2025

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nsys多种类型复杂光源轻松设置23其他类型增强现实设备仿真©2025ANSYS,

Inc.BirdbathAR增强现实眼镜©2025

ANSYS,

Inc.

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nsys25©2025

ANSYS,

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Advancennent

nsysSTACKOpticStudioSpeosBirdbathAR增强现实眼镜Lens

Design

and

simulationHumanvisionsimulationQWPSimulation.Json26.odxPlaneWithoptical

powercorrection

Thewaveguidecurvatureiscompensated全息光栅AR眼镜VHG–

Incoupler©2025

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Inc.

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nsysout

coupesVHGProjectionLensProjectionLensImage

PlaneObject27Lumerical

FDTD新功能全息光栅仿真RCWA

Layer

Repetition

FeatureSetthetotalthicknessLayer

repeatedLayer

repeatedP。werinnn。vatienThatDrves

HnnanAdvancennentnsys28

©2025ANSYS,

Inc.•LSWM–读取Lumerical

RCWA

数据•

支持空间渐变•支持曲面©2025

ANSYS,

Inc.

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