Abstract
A hollow coaxial cable Fabry-Perot resonator for displacement and strain measurement up to 1000 °C is presented here. Inspired by optical fiber Fabry-Perot interferometers, a Fabry-Perot resonator is implemented on a homemade hollow coaxial cable by introducing two highly-reflective reflectors along the cable. By tracking the shift of the amplitude reflection spectrum of the microwave resonator, the displacement and strain can be determined. The displacement measurement experiment showed the sensor could function properly up to 1000 °C. The sensor was also employed to measure the thermal strain of a steel plate during the heating process from 100 to 900 °C.
| Original language | American English |
|---|---|
| Article number | 1304 |
| Journal | Proceedings of SPIE - The International Society for Optical Engineering |
| Volume | 11000 |
| Issue number | 5 |
| DOIs | |
| State | Published - May 14 2019 |
Keywords
- Coaxial cables
- Cost effectiveness
- Fabry-Perot interferometers
- High temperature applications
- Microwave devices
- Microwave resonators
- Strain
- Strain measurement
- Displacement
- Fabry-Perot resonators
- High temperature
- High-temperature environment
- Nested structures
- Reflection spectra
- Sensing configuration
- Sensing platforms
- Displacement measurement
- Hollow coaxial cable
Disciplines
- Electrical and Computer Engineering
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