通过反向设计的多维多重复元表面全息
Yongyao Yin1, Qiang Jiang1, Hongbo Wang1
1Beijing Engineering Research Center of Mixed Reality and Advanced Display, School of Optics and Photonics, Beijing Institute of Technology, Beijing, 100081, China.
Advanced materials (Deerfield Beach, Fla.)
|February 19, 2024
概括
研究人员开发了一个反向设计框架,用于多维多重复元表面全息. 这简化了创建用于成像和数据存储的先进全息设备.
科学领域:
- 纳米光子学 纳米光子学
- 地质表面工程是指地质表面工程.
- 计算成像技术的成像
背景情况:
- 超表面全息图为成像和数据存储提供了高信息容量.
- 多功能超表面全息的前进设计方法是复杂的,需要广泛的斯矩阵工程.
研究的目的:
- 提出一个端到端的反向设计框架,以简化超表面全息图设计.
- 以减少设计复杂性和材料要求,实现多功能超表面全息.
主要方法:
- 反向设计框架直接将地表结构与重建的图像联系起来.
- 一个损失函数指导了地表更新,省略了全息图计算.
- 降低了元原子库的要求,允许元原子具有两种自由度.
主要成果:
- 成功设计并通过实验证明了具有12个通道的超表面全息图.
- 实现了多波长,多平面和多极化信息的多重复合.
- 通过使用简单的元原子,展示了最先进的信息复合能力.
结论:
- 拟议的反向设计方法大大简化了创建多功能超表面全息图的过程.
- 这种方法促进了元设备的智能设计,加速了显示,成像和存储中的应用.
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