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相关概念视频

Infrared (IR) Spectroscopy: Overview01:09

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When electromagnetic radiation passes through a material, atoms or molecules transition from a lower to a higher energy state by absorbing radiation corresponding to the energy difference between the two states. The absorption of infrared (IR) radiation causes transitions between vibrational energy levels in a molecule. Therefore, IR spectroscopy is a useful analytical tool for determining the molecular structure of molecules.
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A thermometer measures body temperature. The common sites for measuring body temperature are the oral cavity, axillary region, temporal artery, and skin surface, such as the forehead, abdomen, and axilla. True core body temperature is assessed in the rectum, tympanic membrane, pulmonary artery, esophagus, and urinary bladder.
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相关实验视频

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基于低连贯光学干涉度的全光学温度传感器的研究.

Fanni Gu1, Yirui Wen2, Sergei Krasovskii1,3

  • 1DUT-BSU Joint Institute, Dalian University of Technology, Dalian 116024, China.

Sensors (Basel, Switzerland)
|December 31, 2025
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概括
此摘要是机器生成的。

这项研究介绍了一种适用于恶劣环境的全光学温度传感器. 基于弹的新型设计为石化行业提供了可靠的温度监测.

关键词:
内在的全光学温度传感器低连贯的迈克尔森干扰度测量弹传感器 弹传感器热弹性原理 热弹性原理

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科学领域:

  • 材料科学 材料科学 材料科学
  • 光学工程是指光学工程.
  • 传感器技术 传感器技术

背景情况:

  • 光学温度传感器为石化等行业提供防爆优势.
  • 现有的传感器由于环境兼容性问题而面临限制.
  • 需要强大的,内在安全的温度传感解决方案.

研究的目的:

  • 开发和演示具有增强环境兼容性的全光学温度传感器.
  • 为了创建一个紧的,基于弹的光学传感器,用于热弹性温度测量.
  • 为苛刻的工业应用提供可靠的温度传感替代方案.

主要方法:

  • 一个抗曲的单模光纤被集成到不钢管弹中.
  • 嵌入纤维的弹被配置为低连贯的迈克尔森干扰仪中的传感臂.
  • 弹长度的热弹性变化被用来通过光路差异检测温度变化.

主要成果:

  • 开发的光学温度传感器显示出±1.16°C内的歇斯底里.
  • 传感器在-25°C至65°C的校准范围内达到0.34°C的灵敏度.
  • 对标准电阻温度探测器 (PT-100) 的性能进行了验证.

结论:

  • 基于弹的新型光学温度传感器显示出对工业应用的希望,特别是在石化行业.
  • 本质的防爆性质和环境兼容性解决了当前传感器的主要局限性.
  • 这种设计可以作为未来内在光学温度传感器开发的宝贵参考.