Metasurface Holography over 90% Efficiency in the Visible via Nanoparticle-Embedded-Resin Printing

TL;DR

This paper presents a novel, high-efficiency metasurface hologram fabricated via a one-step nanoparticle-embedded-resin printing process, achieving over 90% efficiency in the visible spectrum, enabling practical, low-cost holographic displays.

Contribution

It introduces a new nanomanufacturing method for metasurface holograms that significantly improves efficiency and scalability compared to traditional techniques.

Findings

Achieved 96.4% theoretical efficiency and 90.6% experimental efficiency.

Demonstrated broadband holograms with 62.4% average efficiency from 450 to 650 nm.

Produced ultrahigh-efficiency, twin-image free holograms observable under ambient light.

Abstract

Metasurface holography, the reconstruction of holographic images by modulating the spatial amplitude and phase of light using metasurfaces, has emerged as a next-generation display technology. However, conventional fabrication techniques used to realize metaholograms are limited by their small patterning areas, high manufacturing costs, and low throughput, which hinder their practical use. Herein, we demonstrate a high efficiency hologram using a one-step nanomanufacturing method with a titanium dioxide nanoparticle-embedded-resin, allowing for high-throughput and low-cost fabrication. At a single wavelength, a record high 96.4% theoretical efficiency is demonstrated with an experimentally measured conversion efficiency of 90.6% and zero-order diffraction of 7.3% producing an ultrahigh-efficiency, twin-image free hologram, that can even be directly observed under ambient light conditions. Moreover, we design a broadband meta-atom with an average efficiency of 76.0% and experimentally demonstrate a metahologram with an average efficiency of 62.4% at visible wavelengths from 450 to 650 nm.