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27 March 2021 Metagrating-based augmented reality near-eye display
Ting-Wei Huang, Ya-Chi Chung, Yi-Chen Lai, Ying-Hsien Sung, Yun-Shou Hsu, Wen-Chang Hung, Chien-Yi Huang, Yu-Chieh Cheng
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Proceedings Volume 11765, Optical Architectures for Displays and Sensing in Augmented, Virtual, and Mixed Reality (AR, VR, MR) II; 1176509 (2021) https://doi.org/10.1117/12.2580023
Event: SPIE AR VR MR, 2021, Online Only
Abstract
Diffractive gratings, one of the most promising near-eye display designs, has been challenging to satisfy the essential features without making sacrifices in output efficiency or the direction of incidence due to the low diffraction efficiency of higher modes at normal incidence. Here, we propose dielectric metagratings that support light deflect to a larger angle with high efficiency within the field of view of 54 degrees. In this paper, through the proposed model of the eye-imaging system, we present optimal designs of metagratings for diffractive total internal reflection combiner or diffractive exit pupil expanders.
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Ting-Wei Huang, Ya-Chi Chung, Yi-Chen Lai, Ying-Hsien Sung, Yun-Shou Hsu, Wen-Chang Hung, Chien-Yi Huang, and Yu-Chieh Cheng "Metagrating-based augmented reality near-eye display", Proc. SPIE 11765, Optical Architectures for Displays and Sensing in Augmented, Virtual, and Mixed Reality (AR, VR, MR) II, 1176509 (27 March 2021); https://doi.org/10.1117/12.2580023
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KEYWORDS
Head-mounted displays
Planar waveguides
Eye
Waveguides
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