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相关概念视频

Thermosensation01:43

Thermosensation

30.5K
Peripheral thermosensation is the perception of external temperature. A change in temperature (on the surface of the skin and other tissues) is detected by a family of temperature-sensitive ion channels called Transient Receptor Potential, or TRP, receptors. These receptors are located on free nerve endings. Those detecting cold temperatures are closer to the surface of the skin than the nerve endings detecting warmth. These thermoTRP channels, while temperature selective, have relatively...
30.5K

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相关实验视频

Updated: Jul 16, 2025

Fabrication and Testing of Photonic Thermometers
08:44

Fabrication and Testing of Photonic Thermometers

Published on: October 24, 2018

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基于嵌入光聚合波导的马赫-泽恩德干扰仪的高灵敏度温度传感器.

Jiabin Wang, Xingyu Yang, Yanru Kou

    Optics express
    |September 15, 2023
    PubMed
    概括

    这项研究提出了一种新的光纤温度传感器设计,比现有的全光纤传感器提高了10倍的灵敏度. 这一突破增强了光纤温度传感,用于生物学,医学和化学应用.

    科学领域:

    • 光子学和光学传感器
    • 材料科学 材料科学 材料科学
    • 干涉测量是干涉测量的方法.

    背景情况:

    • 高灵敏的光纤温度传感器对生物学,医学和化学至关重要.
    • 现有的全纤维干扰仪面临着灵敏度限制.

    研究的目的:

    • 为高性能光纤温度传感器引入独特的设计框架.
    • 为了克服全纤维干扰仪的灵敏度瓶.

    主要方法:

    • 在马赫-泽恩德干扰仪 (MSM结构) 中嵌入光聚合波导.
    • 利用波导芯和外之间的热光系数 (TOC) 的显著差异.
    • 采用纤维末端光刻法来创建波导.

    主要成果:

    • 在30-100°C范围内达到1.15nm/°C的典型温度灵敏度.
    • 显示的灵敏度大约是传统全纤维MSM传感器的10倍.
    • 概念上探索和实验验证了影响温度灵敏度的关键变量.

    结论:

    • 新的设计框架显著提高光纤温度传感器的性能.
    • 这种方法为开发优质光纤温度传感器提供了一个新的范式.

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    Fiber Optic Distributed Sensors for High-resolution Temperature Field Mapping
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    A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response
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  • 这些发现对在科学和医学领域推进温度监测有意义.