期刊
LASER & PHOTONICS REVIEWS
卷 16, 期 8, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/lpor.202200098
关键词
high-efficiency metaholograms; metasurface holography; nanoparticle-embedded-resin; one-step nanoprinting; scalable nanomanufacturing
资金
- POSCO-POSTECH-RIST Convergence Research Center program - POSCO
- LGD-SNU incubation program - LG Display
- National Research Foundation (NRF) - Ministry of Science and ICT of the Korean government [NRF-2021M3H4A1A04086554, CAMM-2019M3A6B3030637]
- POSTECH Alchemist fellowships
- Hyundai Motor Chung Mong-Koo fellowships
- NRF fellowship - Ministry of Education of the Korean government [NRF-2021R1A6A3A13038935]
This study demonstrates a high-efficiency hologram fabrication method using nanomanufacturing techniques, showing record high theoretical efficiency at a single wavelength and high efficiency over a broad wavelength range. The method offers high throughput and low cost, which could accelerate the practical application of metasurface holography.
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, 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 is demonstrated. At a single wavelength, a record high theoretical efficiency of 96.9% 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, a broadband meta-atom with an average efficiency of 76.0% is designed, and a metahologram with an average efficiency of 62.4% at visible wavelengths from 450 to 650 nm is experimentally demonstrated.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据