折射功能的编程 折射功能的编程
Md Sadman Sakib Rahman1,2,3, Tianyi Gan1,3, Mona Jarrahi1,3
1Electrical and Computer Engineering Department, University of California, Los Angeles, CA, USA.
Nature communications
|July 27, 2025
概括
科学家们设计了一种材料,可以任意控制光折射,从而实现可编程光曲. 这种折射函数发生器 (RFG) 允许定制光路径用于先进的光学应用.
科学领域:
- 光学和光子学 在光学和光子学.
- 超材料是指一种超材料.
- 波浪现象是一种波浪现象.
背景情况:
- 斯内尔定律控制了媒体界面上的光折射.
- 传统的光学元件对光路径的控制有限.
- 可编程控制光折射是光学的一个关键挑战.
研究的目的:
- 用工程材料证明光折射的任意编程.
- 开发一种能够独立控制输入和输出波方向的折射函数发生器 (RFG).
- 在单一材料中探索波长复合的折射函数.
主要方法:
- 设计具有优化相位配置的级联传输层.
- 使用3D打印技术制造工程材料.
- 在太赫兹频谱中的实验验证.
主要成果:
- 在输入孔和输出孔之间实现了光折射的任意变换.
- 展示了一个紧的RFG,只跨越数十个波长.
- 成功实现了波长多重折射函数,与照明波长切换行为.
- 对于 permutation 和负折射函数的概念的实验证明.
结论:
- 用工程材料可以实现折射函数的任意编程.
- 开发的RFG为光学系统提供了前所未有的设计灵活性.
- 这项技术为先进的光学材料,设备和系统开辟了新的途径.
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