A retinal-scanning-based near-eye display with diffractive optical element

Lantian Mi; Chao Ping Chen; Wenbo Zhang; Jie Chen; Yuan Liu; Changzhao Zhu

doi:10.1117/12.2546941

19 February 2020 A retinal-scanning-based near-eye display with diffractive optical element

Lantian Mi, Chao Ping Chen, Wenbo Zhang, Jie Chen, Yuan Liu, Changzhao Zhu

Proceedings Volume 11310, Optical Architectures for Displays and Sensing in Augmented, Virtual, and Mixed Reality (AR, VR, MR); 1131002 (2020) https://doi.org/10.1117/12.2546941
Event: SPIE AR VR MR, 2020, San Francisco, California, United States

Abstract

We propose a design of a retinal-scanning-based near-eye display for augmented reality. Our solution is highlighted by a laser scanning projector, a diffractive optical element, and a moist eye with gradient refractive indices. The working principles related to each component are comprehensively studied. Its key performance is summarized as follows. The field of view is 122°, angular resolution is 8.09′, diffraction efficiency is 57.6%, transmittance is 80.6%, uniformity is 0.91, luminance is 323 cd/m², modulation transfer functions are above 0.99999 at 3.71 cycle/degree, contrast ratio is 4878, and distortion is less than 24%.

Citation Download Citation

Lantian Mi, Chao Ping Chen, Wenbo Zhang, Jie Chen, Yuan Liu, and Changzhao Zhu "A retinal-scanning-based near-eye display with diffractive optical element", Proc. SPIE 11310, Optical Architectures for Displays and Sensing in Augmented, Virtual, and Mixed Reality (AR, VR, MR), 1131002 (19 February 2020); https://doi.org/10.1117/12.2546941

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