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相关概念视频

Thermal Stress01:09

Thermal Stress

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If the temperature of an object is changed while it is prevented from expanding or contracting, the object is subjected to stress. The stress is compressive if the object expands in the absence of constraint and tensile if it contracts. This stress resulting from temperature change is known as thermal stress. It can be quite large and can cause damage. To avoid this stress, engineers may design components so they can expand and contract freely. For instance, on highways, gaps are deliberately...
2.5K

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相关实验视频

Updated: Apr 29, 2026

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers
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Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

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固态太赫兹设备的结构集成热管理具有高环境稳定性.

Zhuo Chen, Qi Wang, Mo Wang

    Optics express
    |February 20, 2026
    PubMed
    概括

    我们为太赫兹频率倍增器开发了一种新的热管理技术,提高了效率和稳定性. 这种方法可以降低设备的温度,从而实现强大的太赫兹应用.

    科学领域:

    • 固态物理 固态物理
    • 太赫兹技术是太赫兹技术.
    • 电子工程 电子工程 电子工程

    背景情况:

    • 固态太赫兹频率加倍器对于先进的应用至关重要.
    • 传统的包装方法往往会导致自我加热问题,限制性能和稳定性.
    • 有效的热管理对于可靠的太赫兹设备运行至关重要.

    研究的目的:

    • 为固态太赫兹频率倍增器提供结构综合的热管理方法.
    • 提高这些设备的效率和环境稳定性.
    • 为了减轻自我加热效应,并为太赫兹乘数器提供可扩展的解决方案.

    主要方法:

    • 设计和制造了一种使用结构集成热管理方案的太赫兹频率倍增器.
    • 连接的二极管直接连接到金属波导体腔,以创建一个低热阻路径.
    • 模拟并描述了设备的性能,包括交叉点温度和在不同环境温度下转换效率.

    主要成果:

    • 与传统包装相比,综合方法使模拟结点温度降低了大约24°C.
    • 实现了宽带转换效率,在170-260 GHz的加倍器中从8.06%到16.43%不等.
    • 在0至80°C的环境温度范围内证明了稳定的设备效率.

    更多相关视频

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    Fabrication and Testing of Photonic Thermometers
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    High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings
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    Fabrication and Testing of Photonic Thermometers
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    Fabrication and Testing of Photonic Thermometers

    Published on: October 24, 2018

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    结论:

    • 结构整合的热管理方法有效地减轻了特拉赫兹频率加倍器的自我加热.
    • 这种方法显著提高了设备的效率和环境稳定性.
    • 拟议的方案为用于通信,成像和传感的太赫兹倍数器提供了可扩展和强大的解决方案.