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Article Abstract
A full-color diffractive optical waveguide scheme is developed specifically for near-eye displays (NED) used in augmented reality (AR) applications. This configuration integrates a color filter (CF) and distributed Bragg reflector (DBR) as filters to efficiently address color dispersion issues. The CF functions to selectively filter out heterochromatic light within the waveguide, thereby guaranteeing the presence of a single, pure primary color within each waveguide. The DBR selectively reflects undesired rays while permitting only essential light to advance to the subsequent waveguide layer. The collaborative operation of the CF and DBR (CF/DBR) effectively accomplishes the desired color uniformity and the color shift Δu'Δv' < 0.064 around the D65 white point across the entire field of view (FoV).
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| http://dx.doi.org/10.1364/OE.557312 | DOI Listing |
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