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Published on: January 14, 2020
Holographic Recording Performance of Acrylate-Based Photopolymer under Different Preparation Conditions for Waveguide
Zhongwen Shen1, Yishi Weng1, Yuning Zhang1
1Joint International Research Laboratory of Information Display and Visualization, School of Electronics and Engineering, Southeast University, Nanjing 210018, China.
Abstract:
This work proposes a green light-sensitive acrylate-based photopolymer. The effects of the preparation conditions for the waveguide applied volume holographic gratings (VHGs) were experimentally investigated. The optimum preparation conditions for holographic recording were revealed. After optimization, the peak of VHG diffraction efficiency reached 99%, the diffractive wavelength bandwidth increased from 13 nm to 22 nm, and the corresponding RIM was 0.06. To prove the wide application prospect of the acrylate-based photopolymer in head-mounted augmented reality (AR) displays, green monochromatic volume holographic waveguides were fabricated. The display results showed that the prototype was able to achieve a 28° diagonal FOV and possessed a system luminance of 300 cd/m2.
