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The innovation of touch-tone telephony revolutionized the telecommunications industry by replacing the traditional rotary dial with a dual-tone multi-frequency (DTMF) signaling system. This system uses a matrix-style keypad with buttons arranged in four rows and three columns, creating 12 distinct signals each assigned to a pair of frequencies. Each button press results in a simultaneous generation of two sinusoidal tones – one from a low-frequency group (697 to 941 Hz) and one from a...

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Updated: Jul 23, 2025

Characterization of Anisotropic Leaky Mode Modulators for Holovideo

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异维结构切换多光谱隐形和多媒体交互设备交互设备

Jin-Cheng Shu¹, Mao-Sheng Cao¹, Yan-Lan Zhang¹

¹School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, 100081, China.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)

|July 11, 2023

概括

研究人员开发了一种新的异维材料,用于先进的电磁隐形. 这种材料在多个频谱中提供高能衰减,并使新的智能电子设备成为可能.

关键词:

选择频率的天线可以选择频率.不同维度结构的结构结构.多光谱电磁波隐形的隐形方式氧化分子层沉积的氧化分子层沉积.压力成像设备的压力成像设备.

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科学领域:

材料科学材料科学材料科学
纳米技术纳米技术
电磁学电磁学电磁学电磁学

背景情况:

具有高能衰减的轻量级和灵活的电子材料对于电磁隐形和智能设备至关重要.
不同维的结构,结合不同维的组件,提供独特的电子,磁,热和光学特性,吸引了大量的研究兴趣.

研究的目的:

开发一种内在的异维结构,以灵活设计宏观电磁性质.
为了实现高电磁能减弱和多光谱隐形能力.
使用开发的材料构建新的信息交互设备.

主要方法:

采用交替的0D磁束和2D导电层制造一个异维结构.
通过控制氧化分子层沉积 (oMLD) 周期来定制电磁性质.
发展层次天线和应变成像装置.

主要成果:

不同维的结构表现出高度有序的空间分布和协同的电子双极和磁性电介质效应.
实现了高电磁能衰减 (160 dB) 和介电损失触点 (≈200%) 的显著改善.
在可见光,红外和千兆赫兹 (GHz) 波段中展示了多谱隐形.
层次天线通过oMLD循环精确定位操作频段 (S-到Ku-频段).
开发了一种高度敏感的应变成像设备,用于视觉交互.

结论:

开发的内在异维结构为设计先进的电磁材料提供了灵活的平台.
该材料的独特特性使得高能衰减和多光谱隐形应用成为可能.
建造的设备展示了创新的信息交互和智能设备开发的潜力.