Fabry-Perot

Applied optics
|June 10, 2024
PubMed
概括

这项研究引入了一种高度灵敏的光纤Fabry-Perot干扰仪 (FPI),用于精确的应变测量. 它通过使用虚拟FPI和纤维布拉格格 (FBG) 来实现增强的灵敏度和温度补偿,以获得准确的读数.

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Measurements of Strain01:27

Measurements of Strain

Strain quantifies the deformation of a material under force, typically measured as normal strain, which represents the change in length when compared with the original length. Electrical strain gauges are used for enhanced accuracy. These devices consist of a conductive wire mounted on a paper backing that adheres to the material's surface. These gauges operate on the piezoresistive effect, where the wire's electrical resistance changes in response to mechanical deformation. The strain...
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Design Example: Strain Gauge Bridge or Wheatstone Bridge01:15

Design Example: Strain Gauge Bridge or Wheatstone Bridge

The utilization of strain gauges as transducers for converting mechanical strain into electrical signals is a common practice in various engineering applications. These strain gauges are frequently integrated into Wheatstone bridge circuits to accurately measure parameters such as force or pressure. Within this context, each element within the circuit exhibits a resistance that undergoes subtle variations when subjected to mechanical strain. The primary objective is to convert minuscule...
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Thermal Strain01:19

Thermal Strain

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