Article ; Online: Research on sensitized Fiber Bragg Grating temperature sensor based on bimetal three-substrates.
The Review of scientific instruments
2024 Volume 95, Issue 4
Abstract: Temperature is one of the most important physical quantities in the field of earthquake precursor observation. Aiming at the problem of low sensitivity in the Fiber Bragg Grating (FBG) temperature sensor, the sensitized FBG temperature sensor based on ... ...
Abstract | Temperature is one of the most important physical quantities in the field of earthquake precursor observation. Aiming at the problem of low sensitivity in the Fiber Bragg Grating (FBG) temperature sensor, the sensitized FBG temperature sensor based on bimetal three-substrates is proposed. Through theoretical analysis of the bimetallic model, the structural parameters of the sensor are optimized, and the sensor is simulated and analyzed with ANSYS. Then, the sensor is developed according to the simulation results, and the temperature test system is built to test the performance of the sensor. The results show that the sensitivity of the temperature sensor is 49.3 pm/°C, which is about 4.9 times that of the bare FBG sensor, and the linearity is over 0.999. The research results provide a reference for developing the same type of sensors and further improving the sensitivity of FBG temperature sensors. |
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Language | English |
Publishing date | 2024-03-25 |
Publishing country | United States |
Document type | Journal Article |
ZDB-ID | 209865-9 |
ISSN | 1089-7623 ; 0034-6748 |
ISSN (online) | 1089-7623 |
ISSN | 0034-6748 |
DOI | 10.1063/5.0196836 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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