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相关概念视频

Mass Analyzers: Common Types01:19

Mass Analyzers: Common Types

656
The quadrupole mass analyzer consists of four cylindrical metal rods arranged in a diamond carrying a DC voltage and a radio-frequency AC voltage. The motion of ions through the quadrupole depends on the field strength, causing only ions of a certain m/z to resonate successfully and strike the detector at a given field strength. Though the transmission rate for these analyzers is high, the exact elemental composition of the sample is not determined because of low resolution; however, they are...
656

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相关实验视频

Updated: Jul 23, 2025

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

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

Published on: December 27, 2012

15.4K

使用微电子机械系统共振器的太赫兹探测器.

Chao Li1, Ya Zhang1, Kazuhiko Hirakawa2,3

  • 1Institute of Engineering, Tokyo University of Agriculture and Technology, Koganei-shi 184-8588, Japan.

Sensors (Basel, Switzerland)
|July 14, 2023
PubMed
概括
此摘要是机器生成的。

双紧的微电子机械系统 (MEMS) 束共振器提供高度敏感的太赫兹 (THz) 检测. 它们的频率变化与吸收的THz辐射成比例,使得能够精确地测量这种辐射.

关键词:
博洛米特 (bolometer) 是一个测量仪.微电子机械系统 (MEMS) 共振器太赫兹 (THz) 检测检测热敏度 热敏度 热敏度 热敏度

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Fabrication of Nanopillar-Based Split Ring Resonators for Displacement Current Mediated Resonances in Terahertz Metamaterials
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Design and Characterization Methodology for Efficient Wide Range Tunable MEMS Filters
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Design and Characterization Methodology for Efficient Wide Range Tunable MEMS Filters

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相关实验视频

Last Updated: Jul 23, 2025

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Fabrication of Nanopillar-Based Split Ring Resonators for Displacement Current Mediated Resonances in Terahertz Metamaterials
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Design and Characterization Methodology for Efficient Wide Range Tunable MEMS Filters

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科学领域:

  • 物理 物理学 物理
  • 电气工程 电气工程
  • 材料科学 材料科学 材料科学

背景情况:

  • 微电子机械系统 (MEMS) 共振器具有高质量 (Q-) 因素,可以进行敏感的频率测量.
  • 探测特拉赫兹 (THz) 辐射需要敏感和快速的方法.

研究的目的:

  • 提供使用双 MEMS 束共振器的 THz 波罗米特的全面概述.
  • 详细介绍这些THz探测器的工作原理,读取机制,检测速度和灵敏度.

主要方法:

  • 审查了用于THz吸收的MEMS共振器的基本工作原理.
  • 分析频率转移检测作为一个读取机制.
  • 检查性能指标,包括检测速度和灵敏度.

主要成果:

  • 由于温度变化引起的频率变化,MEMS共振器对THz辐射具有很高的敏感性.
  • 频率转移与吸收的THz功率成正比,因此可以量化.
  • 讨论了各种提高绩效的策略.

结论:

  • 双紧的MEMS光束共振器是快速和灵敏的THz检测的有希望的平台.
  • 频率转移方案为THz计量提供了一个强大的方法.
  • 在MEMS共振器设计的进一步改进可以提高THz探测器的性能.