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相关概念视频

Double Resonance Techniques: Overview01:12

Double Resonance Techniques: Overview

191
Double resonance techniques in Nuclear Magnetic Resonance (NMR) spectroscopy involve the simultaneous application of two different frequencies or radiofrequency pulses to manipulate and observe two distinct nuclear spins. One important application of double resonance is spin decoupling, which selectively suppresses coupling with one type of nucleus while observing the NMR signal from another nucleus, simplifying the spectrum and enhancing resolution.
Spin decoupling is usually achieved by...
191
Standing Waves in a Cavity01:28

Standing Waves in a Cavity

883
A household microwave and lasers are examples of standing electromagnetic waves in a cavity. When two conducting metal plates are placed parallel at the nodal planes, it creates a cavity where standing waves are formed. The cavity between the two planes is analogous to a stretched string held at the points x = 0 and x = L. Here, the distance 'L' between the two planes must be an integer multiple of half of the wavelength. The wavelengths that satisfy this condition are given by:
883

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相关实验视频

Updated: Jun 11, 2025

Fabrication and Characterization of Superconducting Resonators
10:26

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使用基于合共振器的新型微波传感器进行多参数同时提取.

Carlos G Juan1,2,3, Benjamin Potelon4,5, Anyela Aquino6,7

  • 1Univ. Brest, CNRS, Lab-STICC, UMR CNRS 6285, 29238, Brest, France. carlos.juan01@umh.es.

Scientific reports
|October 4, 2024
PubMed
概括
此摘要是机器生成的。

这项研究引入了一种微波传感器,用于同时测量介电电容,损失触点和固体样品的厚度. 这种新型设备使用合共振器在三明治配置,以准确的材料特征.

关键词:
数据集数据集数据集微波炉微波炉的使用方法多参数测量的测量方法允许性是一种允许性.响应器 响应器传感器 传感器 传感器

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Label-free Single Molecule Detection Using Microtoroid Optical Resonators
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相关实验视频

Last Updated: Jun 11, 2025

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科学领域:

  • 微波工程 微波工程
  • 材料科学 材料科学 材料科学
  • 传感器技术 传感器技术

背景情况:

  • 精确的材料特性,如介电电容,损失触点和厚度的精确表征在各种科学和工业应用中至关重要.
  • 现有的多参数传感方法可能是复杂的或范围有限的.
  • 综合传感解决方案的开发是一个正在进行的研究领域.

研究的目的:

  • 介绍一款新的微波共振多参数传感器.
  • 为了能够同时提取介电电容,损失触点和均固体样本的厚度.
  • 通过模拟和实验测量验证一种新的传感方法.

主要方法:

  • 微波传感器的设计包括两个基板板上的三个合共振器.
  • 在基板板之间以三明治配置放置样品.
  • 开发一种分析方法,从设备的电响应中提取材料特性,考虑共振器和合冲击.
  • 使用参考和未知样本进行实验性校准和测试.

主要成果:

  • 拟议的传感器成功地同时提取介电电容,损失触点和厚度.
  • 通过990次模拟和18次实验测量验证的分析方法显示出良好的一致性.
  • 多参数传感方法经过实验验证.

结论:

  • 开发的微波共振传感器为固体材料的同时多参数表征提供了可行的解决方案.
  • 提出的分析方法和校准程序对于准确的材料特性提取是有效的.
  • 这项工作展示了合共振器微波传感器在先进材料分析方面的潜力.