Analyses of crosstalk between multiplexed gratings in a full-color VHOE-based waveguide for AR/MR glasses

Chi Sun; Zi-Fan Chen; Yuan-Yan Liang; Chung-Hsuan Hsiao; Tsung-Hsun Yang; Yeh-Wei Yu; Wei-Chia Su; Ching-Cherng Sun; Shiuan-Huei Lin

doi:10.1117/12.3028448

1 October 2024 Analyses of crosstalk between multiplexed gratings in a full-color VHOE-based waveguide for AR/MR glasses

Chi Sun, Zi-Fan Chen, Yuan-Yan Liang, Chung-Hsuan Hsiao, Tsung-Hsun Yang, Yeh-Wei Yu, Wei-Chia Su, Ching-Cherng Sun, Shiuan-Huei Lin

Author Affiliations +

Proceedings Volume PC13140, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XVIII; PC1314009 (2024) https://doi.org/10.1117/12.3028448
Event: Optical Engineering + Applications, 2024, San Diego, California, United States

Abstract

Augmented Reality (AR) and Mixed Reality (MR) glasses stand as pivotal technological advancements in contemporary society. However, maintaining a compact and lightweight design while ensuring high-quality image viewing remains a persistent challenge. Researchers endeavor to overcome the intricate optical hurdles associated with these glasses. They suggest that waveguides incorporating two in- and out-coupling Volume Holographic Optical Elements (VHOEs) has surfaced as a promising approach, addressing these requirements and providing high see-through transmittance due to Bragg selectivity. Nonetheless, in the case of a full-color VHOE-based waveguide, the crosstalk between the RGB gratings of three primary colors within a waveguide results in the ghost images that diminish image quality. In this paper, we propose a method to eliminate ghost images and offer precise simulations aligned with experimental observations.

Conference Presentation

Citation Download Citation

Chi Sun, Zi-Fan Chen, Yuan-Yan Liang, Chung-Hsuan Hsiao, Tsung-Hsun Yang, Yeh-Wei Yu, Wei-Chia Su, Ching-Cherng Sun, and Shiuan-Huei Lin "Analyses of crosstalk between multiplexed gratings in a full-color VHOE-based waveguide for AR/MR glasses", Proc. SPIE PC13140, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XVIII, PC1314009 (1 October 2024); https://doi.org/10.1117/12.3028448

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