Transparent 3D display enabled by flat glass waveguide and pixelated nano-gratings

Haoming Liu; Wen Qiao; Jianyu Hua

doi:10.1117/12.2690238

17 August 2023 Transparent 3D display enabled by flat glass waveguide and pixelated nano-gratings

Haoming Liu, Wen Qiao, Jianyu Hua

Proceedings Volume 12757, 3rd International Conference on Laser, Optics, and Optoelectronic Technology (LOPET 2023); 127573D (2023) https://doi.org/10.1117/12.2690238
Event: 3rd International Conference on Laser, Optics and Optoelectronic Technology (LOPET 2023), 2023, Kunming, China

Abstract

In this paper, a kind of transparent 3D static display consisting of a flat glass waveguide and single layer gratings is proposed. The gratings are shaped into various patterns and designed pixel by pixel to provide correct parallax images. Incident light from the edge of the flat glass can only be extracted from the patterned area and projected to designed views. The prototype shows the advantage of wide field of view (60°), small angular separation (5°) and high transmission (<60%). Virtual 3D objects blend well with the real scene. Potential applications include window display and advertisements

Citation Download Citation

Haoming Liu, Wen Qiao, and Jianyu Hua "Transparent 3D display enabled by flat glass waveguide and pixelated nano-gratings", Proc. SPIE 12757, 3rd International Conference on Laser, Optics, and Optoelectronic Technology (LOPET 2023), 127573D (17 August 2023); https://doi.org/10.1117/12.2690238

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