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Programming of refractive functions

delete2025-07-26
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OA
AI
M
Md Sadman Sakib Rahman
T
Tianyi Gan
M
Mona Jarrahi
A
Aydogan Özcan *
DOI:10.1038/s41467-025-62230-xdelete
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摘要

摘要

En 中文
斯涅尔定律规定了光在两种介质界面处的折射现象。这里,我们演示了一种通过工程材料实现的任意编程光折射,其中输出波的方向可以独立设置,适用于输入和输出光阑之间任意选择的光折射排列。由一组具有优化相位轮廓的级联透射层构成,这种折射功能发生器(RFG)在轴向方向上仅跨越几十个波长。除了单色RFG设计外,我们还报告了波长复用的折射功能,其中在每个波长处通过相同的工程材料体积实现不同的折射功能,即通过改变照明波长,将光折射排列从一个期望功能切换到另一个功能。作为概念验证实验,我们使用3D打印材料在太赫兹频段演示了排列和负折射功能。折射功能的任意编程为光学材料、器件和系统的新设计能力提供了可能。研究人员演示了通过工程材料实现的任意编程光折射,其中输出波的方向可以独立设置,适用于不同的输入波方向。

期刊

Nature Communications 封面图
Nature Communications
IF:
15.7
论文数:
9.4W
被引数:
91.2W

机构

E
electrical and computer engineering department
学者数:
31
论文数: 14
被引数: 0
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