Optimizing image quality using multiplexed gratings and drive signal management in a VHOEs-waveguide-based AR eyewear display

Zih-Fan Chen; Chi Sun; Yuan-Yan Liang; Chung-Hsuan Hsiao; Tsung-Hsun Yang; Yeh-Wei Yu; Ching-Cherng Sun; Vera Marinova; Shiuan-Huei Lin

doi:10.1117/12.3028466

30 September 2024 Optimizing image quality using multiplexed gratings and drive signal management in a VHOEs-waveguide-based AR eyewear display

Zih-Fan Chen, Chi Sun, Yuan-Yan Liang, Chung-Hsuan Hsiao, Tsung-Hsun Yang, Yeh-Wei Yu, Ching-Cherng Sun, Vera Marinova, Shiuan-Huei Lin

Author Affiliations +

Proceedings Volume 13140, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XVIII; 131400C (2024) https://doi.org/10.1117/12.3028466
Event: Optical Engineering + Applications, 2024, San Diego, California, United States

Abstract

In this paper, we introduce an approach—multiplexing gratings plus drive signal management scheme implemented on a micro-display device within an optical engine—to precisely adjust the color uniformity of an Augmented Reality (AR) eyewear display. This display is based on Volume Holographic Optical Elements (VHOEs) and a waveguide. Our method simplifies the complexity of multiplexing, requiring only a single optical waveguide and three RGB gratings for primary colors to achieve a full-color eyewear display with an expansive horizontal field of view (FOV) of nearly 30° and less than 3% ΔE_Lab color non-uniformity.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Zih-Fan Chen, Chi Sun, Yuan-Yan Liang, Chung-Hsuan Hsiao, Tsung-Hsun Yang, Yeh-Wei Yu, Ching-Cherng Sun, Vera Marinova, and Shiuan-Huei Lin "Optimizing image quality using multiplexed gratings and drive signal management in a VHOEs-waveguide-based AR eyewear display", Proc. SPIE 13140, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XVIII, 131400C (30 September 2024); https://doi.org/10.1117/12.3028466

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