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相关概念视频

Neural Circuits01:25

Neural Circuits

Neural circuits and neuronal pools are two of the main structures found in the nervous system. Neural circuits are networks of neurons that work together to carry out a specific task or process. They consist of interconnected neurons and glial cells, which provide structural and metabolic support.
Neuronal pools are collections of nerve cells with similar functions and interact through chemical and electrical signals. These pools include both interneurons (the central neural circuit nodes that...

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相关实验视频

Updated: May 8, 2026

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers
13:44

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

Published on: December 27, 2012

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双功能可切换的太赫兹元材料设备,辅助深度神经网络.

JiaLi Ren, Ting Zhang, Jing Li

    Journal of the Optical Society of America. A, Optics, image science, and vision
    |August 12, 2025
    PubMed
    概括

    本研究介绍了一种使用二氧化瓦纳 (VO2) 的双重功能太赫兹元材料 (THz MM) 装置,该装置同时充当宽带吸收器和偏振转换器,展示了AI.

    科学领域:

    • 超材料是指一种超材料.
    • 特拉赫兹 (THz) 技术的使用.
    • 阶段过渡材料 阶段过渡材料

    背景情况:

    • 传统的THz设备往往缺乏多功能性.
    • 二氧化瓦纳 (VO2) 呈现出可调节的绝缘体到金属相位过渡.
    • 优化元材料设计传统上需要大量的计算资源.

    研究的目的:

    • 提出一种新的双功能可切换THz元材料 (MM) 装置.
    • 为了实现宽带吸收和极化转换能力.
    • 探索深度神经网络 (DNN) 在优化元材料设计中的应用.

    主要方法:

    • 使用VO2的绝缘体到金属相位过渡.
    • 设计用于THz应用的超材料结构.
    • 采用深度神经网络 (DNN) 进行高效的参数空间导航和优化.

    主要成果:

    • 该设备在金属状态下显示了宽带吸收 (3.93 THz带宽,≥90%速率).
    • 在其绝缘状态下,它提供线性到交叉极化 (LTX) 转换 (1.17-3.63 THz) 和线性到循环极化 (LTC) 转换 (1.04-1.14 THz和3.71-3.87 THz).
    • 与传统优化方法相比,DNN显著减少了计算时间.

    更多相关视频

    Fabrication of Nanopillar-Based Split Ring Resonators for Displacement Current Mediated Resonances in Terahertz Metamaterials
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    Demonstration of Spin-Multiplexed and Direction-Multiplexed All-Dielectric Visible Metaholograms
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    Demonstration of Spin-Multiplexed and Direction-Multiplexed All-Dielectric Visible Metaholograms

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    相关实验视频

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    Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

    Published on: December 27, 2012

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    Fabrication of Nanopillar-Based Split Ring Resonators for Displacement Current Mediated Resonances in Terahertz Metamaterials
    10:28

    Fabrication of Nanopillar-Based Split Ring Resonators for Displacement Current Mediated Resonances in Terahertz Metamaterials

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    Demonstration of Spin-Multiplexed and Direction-Multiplexed All-Dielectric Visible Metaholograms

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    结论:

    • 拟议的可切换THz MM设备提供双重功能,克服了单个设备的限制.
    • VO2和DNN的整合为设计先进的功能材料提供了一种新且高效的方法.
    • 该设备显示了THz隐形,能量收集,通信和成像等应用的潜力.