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Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures
Published on: November 21, 2019
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Multi-functional sensor based on photonic crystal fiber using plasmonic material and magnetic fluid
Applied Optics
|January 6, 2023
Summary
This study introduces a novel photonic crystal fiber sensor for simultaneously measuring temperature and magnetic fields. The highly sensitive sensor demonstrates potential for advanced optical sensing applications.
Area of Science:
- Photonics
- Materials Science
- Sensor Technology
Background:
- Photonic crystal fibers (PCFs) offer unique light-guiding properties.
- Plasmonic materials and magnetic fluids (MFs) enable novel sensing functionalities.
- Simultaneous measurement of multiple physical parameters is crucial for advanced monitoring.
Purpose of the Study:
- To design and investigate a highly sensitive PCF sensor.
- To achieve simultaneous measurement of temperature and magnetic field.
- To explore the sensor's performance characteristics and potential applications.
Main Methods:
- Investigated a PCF infiltrated with plasmonic material and MF.
- Analyzed parameters like birefringence, coupling length, and power spectrum.
- Utilized linear fitting curves and transmission peak shifts for computation.
Main Results:
- Achieved temperature sensitivity of 7.1 nm/°C (25-100°C).
- Achieved magnetic field sensitivity of 12 nm/Oe (160-200 Oe).
- Demonstrated resolutions of -1.245°C and 5.53 Oe for temperature and magnetic field, respectively.
Conclusions:
- The developed sensor offers high sensitivity, compactness, and ease of implementation.
- It enables simultaneous, accurate measurement of temperature and magnetic fields.
- The sensor is a promising foundation for future optical sensing devices in various industries.
