Simpler single-layer achromatic metasurface waveguide design enhances overall system performance, pioneering new era in AR displays

https://www.eurekalert.org/news-releases/1079286

"overcomes chromatic dispersion/ image distortion... combines inverse-designed metasurface couplers with single-layer high-refractive-index waveguide... optimizing metasurface coupler geometry, and light's: phase, amplitude, polarization utilizing 4th, 5th, 6th diffraction orders handling R, G, B. wavelengths, ensuring uniform deflection angles/ eliminating chromatic aberration... expanded field of view through high-refractive-index design, and optimized coupling efficiency ensuring superior full-color display quality"