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Recent Advances in High-Birefringence Fiber Loop Mirror Sensors
Orlando Frazão1, José M T Baptista2, José L Santos3
1INESC Porto, Unidade de Optoelectrónica e Sistemas Electrónicos, Rua do Campo Alegre, 687, 4169-007 Porto, Portugal. ofrazao@inescporto.pt.
Sensors (Basel, Switzerland)
|September 15, 2017
Summary
High-birefringence fiber loop mirror sensors offer versatile optical sensing for strain, temperature, and refractive index. These advanced fiber optic devices enable simultaneous measurements and various applications, enhancing sensor technology.
Area of Science:
- Optoelectronics and Photonics
- Fiber Optic Sensing Technology
Background:
- High-birefringence (HB) fiber loop mirror sensors are advanced optical devices.
- These sensors have demonstrated potential in various sensing applications.
Purpose of the Study:
- To review recent advances in devices and applications of HB fiber loop mirror sensors.
- To analyze and compare different types of HB fiber loop mirror sensors.
- To explore configurations for simultaneous measurement of physical parameters.
Main Methods:
- Analysis and comparison of HB fiber loop mirror sensors using conventional and microstructured optical fibers.
- Presentation of sensor configurations for simultaneous measurements, often integrated with other optical devices like long period gratings.
Main Results:
- HB fiber loop mirror sensors can function as strain and temperature sensors, capable of separate or simultaneous measurements.
- Applications extend to refractive index measurement, optical filters for grating interrogation, and chemical etching control.
- Specific configurations allow for simultaneous measurement of multiple physical parameters.
Conclusions:
- HB fiber loop mirror sensors represent a significant advancement in optical sensing.
- Their versatility in measuring various parameters, including simultaneous measurements, highlights their broad applicability.
- The use of both conventional and microstructured fibers offers flexibility in sensor design and performance.
