31 October 2016 Design of a holographic waveguide with L configuration
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Abstract
In order to decrease the complexity to design and manufacture the turning grating of the configuration with one reflecting surface, an L-shape two-dimension extended configuration with single plate is given in the paper. This configuration consists of one specular reflecting surface and three holographic gratings two in which periods and the groove orientations are totally same, which makes gratings design and fabrication easier. According to the calculation and analysis to the optical path of configuration, the dimension of the turning grating is no larger than 40mm×30mm. The simulation result demonstrates the display configuration is reasonable and correct and can realize the display effect with 30°×30° field of view and Φ30mm large exit pupil. This configuration can be applied to an Augmented Reality Display (AR) or a Head-Mounted Display (HMD).
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Guangxin-Xin Xiang, Guangxin-Xin Xiang, Wen-Qiang Li, Wen-Qiang Li, } "Design of a holographic waveguide with L configuration", Proc. SPIE 10021, Optical Design and Testing VII, 100211Q (31 October 2016); doi: 10.1117/12.2246388; https://doi.org/10.1117/12.2246388
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