Augmented reality (AR) displays, as the next generation platform for spatial computing and digital twins, enable users to view digital images superimposed on real-world environment, fostering a deeper level of human-digital interactions. However, as a critical element in an AR system, optical ...
waveguides containing one or more grating layers encoding multiple optical functions can be realized using various waveguide architectures and material systems, enabling new innovations in near-eye displays for augmented reality (AR) and virtual reality ...
We propose a polarization multiplexing structure based on multilayer reflective polarized volume holographic gratings(PVGs) to improve the field of view and brightness of the augmented reality waveguide display. The multilayer structure forms the splicing of different response bandwidths by stacking PVGs ...
Waveguide of Augmented and Mixed Reality Devices OPAs use nonlinear optical crystals to generate squeezed light, but conventional OPAs don't generate the quantum light with the properties necessary for faster quantum computing. To overcome this challenge, researchers from the University of Tokyo and NTT...
Various embodiments relate to an FTIR-based diffractive optical structure, and a waveguide device and an augmented reality display each including same. The augmented reality display
Lightweight, compact, and cost-efficient solutions for increasing the exit pupil size for use in laser-scanner and waveguide based augmented-reality displays are disclosed. Light from a laser-scanner is focused onto intermediate image plane; a diffuser is positioned at the intermediate image plane ...
Virtual realityA tomographic waveguide-based augmented reality display technique is proposed for near-eye three-dimensional (3D) display with accurate depth reconstructions. A pair of tunable lenses with complementary focuses is utilized to project tomographic virtual 3D images while maintaining the correct...
waveguide displayReflective polarization volume gratings (PVGs) can be used as input and output couplers in a diffractive waveguide‐based augmented reality (AR). To improve the stability and wearing comfort, a thin and lightweight full‐color waveguide display is needed. In this paper, we ...
Augmented reality optical systems include a waveguide structure that includes a waveguide layer supported by a substrate. The input diffraction grating and the output diffraction grating are present in the waveguide layer and are laterally separated from each other. The input light from the display is...
An augmented reality optical system comprises a waveguide structure that includes a waveguide layer supported by a substrate. An input grating and an output grating reside within the waveguide layer and are laterally spaced apart. Input light from a display is made incident upon the input grating....