Design Freeform Metagratings for Eye-glow Attenuation in Diffractive AR Waveguides

Chuan En Lin; Chih Wei Weng; Chao Chang Hu; Peichen Yu

doi:10.1002/sdtp.17857

Design Freeform Metagratings for Eye-glow Attenuation in Diffractive AR Waveguides

Chuan En Lin, Chih Wei Weng, Chao Chang Hu, Peichen Yu

Department of Photonics

Research output: Contribution to journal › Conference article › peer-review

Abstract

We design and integrate free-form metagratings with irregular nanoscale patterns into diffractive augmented reality (AR) waveguides to achieve simultaneous improvements in eye-glow attenuation and outcoupling efficiency. The freeform metagrating demonstrates over 40% reduction in eye-glow while enhancing outcoupling efficiency by 8% compared to the conventional binary grating.

Original language	English
Pages (from-to)	1567-1569
Number of pages	3
Journal	Digest of Technical Papers - SID International Symposium
Volume	55
Issue number	1
DOIs	https://doi.org/10.1002/sdtp.17857
State	Published - 2024
Event	International Symposium, Seminar, and Exhibition, Display Week 2024 - San Jose, United States Duration: 12 May 2024 → 17 May 2024

Keywords

Metagrating
eye glow
free-form
inverse design
waveguide

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10.1002/sdtp.17857

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abstract = "We design and integrate free-form metagratings with irregular nanoscale patterns into diffractive augmented reality (AR) waveguides to achieve simultaneous improvements in eye-glow attenuation and outcoupling efficiency. The freeform metagrating demonstrates over 40% reduction in eye-glow while enhancing outcoupling efficiency by 8% compared to the conventional binary grating.",

keywords = "Metagrating, eye glow, free-form, inverse design, waveguide",

author = "Lin, {Chuan En} and Weng, {Chih Wei} and Hu, {Chao Chang} and Peichen Yu",

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AU - Yu, Peichen

PY - 2024

Y1 - 2024

N2 - We design and integrate free-form metagratings with irregular nanoscale patterns into diffractive augmented reality (AR) waveguides to achieve simultaneous improvements in eye-glow attenuation and outcoupling efficiency. The freeform metagrating demonstrates over 40% reduction in eye-glow while enhancing outcoupling efficiency by 8% compared to the conventional binary grating.

AB - We design and integrate free-form metagratings with irregular nanoscale patterns into diffractive augmented reality (AR) waveguides to achieve simultaneous improvements in eye-glow attenuation and outcoupling efficiency. The freeform metagrating demonstrates over 40% reduction in eye-glow while enhancing outcoupling efficiency by 8% compared to the conventional binary grating.

KW - Metagrating

KW - eye glow

KW - free-form

KW - inverse design

KW - waveguide

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DO - 10.1002/sdtp.17857

M3 - Conference article

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JO - Digest of Technical Papers - SID International Symposium

JF - Digest of Technical Papers - SID International Symposium

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Y2 - 12 May 2024 through 17 May 2024

ER -

Design Freeform Metagratings for Eye-glow Attenuation in Diffractive AR Waveguides

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Keywords

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