Holographic AR display based on free-form lens combiner and LED illumination

Xin Yang; ShuFeng Lin; Di Wang; HanLe Zhang; QiongHua Wang

doi:10.1117/12.2542980

20 December 2019 Holographic AR display based on free-form lens combiner and LED illumination

Xin Yang, ShuFeng Lin, Di Wang, HanLe Zhang, QiongHua Wang

Proceedings Volume 11209, Eleventh International Conference on Information Optics and Photonics (CIOP 2019); 112090W (2019) https://doi.org/10.1117/12.2542980
Event: Eleventh International Conference on Information Optics and Photonics (CIOP 2019), 2019, Xi'an, China

Abstract

Holographic AR display is an augmented reality display technology with important application prospects for its ability of real 3D display. In this project, the feasibility of AR holographic display is analyzed by the information quantity conservation of optical imaging system. And an AR display system with free-form lens as combiner is designed and carried out based on LED illumination. The light emitted by the LED is collimated by a lens, and then partially reflected by the beam splitter to illuminate the LCOS. The diffracted light modulated by hologram on LCOS is filtered by a 4f optical system and reflected into free-form lens combiner by a mirror for augment reality display. Optical experiments show that the proposed system can achieve high quality imaging at different depth without speckle noise.

Citation Download Citation

Xin Yang, ShuFeng Lin, Di Wang, HanLe Zhang, and QiongHua Wang "Holographic AR display based on free-form lens combiner and LED illumination", Proc. SPIE 11209, Eleventh International Conference on Information Optics and Photonics (CIOP 2019), 112090W (20 December 2019); https://doi.org/10.1117/12.2542980

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KEYWORDS

Augmented reality

Holography

Holograms

3D displays

Displays

Eye

Freeform optics

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