Design of augmented reality display diffraction optical waveguide
Device Physics and Device Preparation|更新时间:2021-03-23
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Design of augmented reality display diffraction optical waveguide
Chinese Journal of Liquid Crystals and DisplaysVol. 36, Issue 3, Pages: 389-397(2021)
作者机构:
1.长春理工大学 光电工程学院, 吉林 长春 130022
2.浙江水晶光电科技股份有限公司 中央研究院, 浙江 台州 318015
作者简介:
基金信息:
Key Project of Basic Strengthening of the Science and Technology Commission of the Military Commission;Key Project of National Natural Science Foundation of China
A design theory was demonstrated to design diffraction optical waveguides in wave-vector space. Systematic simulations were performed to investigate relationships among wavelength
grating period
clocking angle
waveguide substrate refractive index
dispersion to field of view and related parameters. Simulation results showed that light sources with broad bandwidth showed little effect on the design results because of the acceptable result of the edge wavelength FOV cutting. The dispersion of waveguide substrate showed negligible effect on diffraction optical waveguides. It is easy to manufacture to choose 40-270-140 clock-angle in design because of the suitable dimensions and positions of grating areas. The results in this work provide positive guides to design diffraction optical waveguides.
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references
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