Journal
OPTICA
Volume 6, Issue 2, Pages 119-124Publisher
OPTICAL SOC AMER
DOI: 10.1364/OPTICA.6.000119
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Funding
- Air Force Office of Scientific Research (AFOSR) [FA9550-12-1-0491, FA9550-18-1-0187]
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Multicolor waveguide holography remains a challenge due to its inherent design complexity, compounded by the limited low-loss materials available in the optical range as well as challenges in nanofabrication. In this study, we first propose and experimentally demonstrate a multicolor, computer-generated hologram (CGH) in an all-dielectric waveguide metasurface system. Light beams from three different color laser sources ( red, green, and blue) are coupled into the waveguide via a single-period grating without any beam splitters or prisms. A multicolor holographic image can be decoupled in the far field through a binary metasurface CGH without any lenses. This technology enables lens-free, ultraminiature augmented and virtual reality displays. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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