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Updated: Jun 19, 2026
09:48
Fiber Optic Distributed Sensors for High-resolution Temperature Field Mapping
Published on: November 7, 2016
Temperature-stable spun elliptical-core optical-fiber current transducer
Optics Letters
|October 6, 2009
Summary
A novel optical fiber current transducer demonstrates temperature stability. It utilizes a Sagnac interferometer to effectively cancel temperature-dependent effects in spun birefringent fibers for accurate electrical measurements.
Area of Science:
- Optoelectronics
- Fiber optics
- Sensor technology
Background:
- Accurate electrical current measurement is crucial in various applications.
- Temperature fluctuations can significantly impact the performance of optical sensors.
- Spun birefringent fibers offer unique properties but are susceptible to temperature variations.
Purpose of the Study:
- To design and develop a temperature-stable electrical current transducer.
- To investigate the use of spun birefringent elliptical-core optical fiber for current sensing.
- To mitigate the temperature dependence of optical fiber sensors.
Main Methods:
- Design and theoretical analysis of a transducer incorporating spun birefringent elliptical-core optical fiber.
- Construction of the proposed transducer.
- Utilizing a novel Sagnac interferometer configuration.
- Experimental testing to validate performance and temperature stability.
Main Results:
- Successful design and construction of the optical fiber current transducer.
- Demonstration of temperature stability in the transducer's operation.
- The Sagnac interferometer effectively canceled temperature-induced drifts.
- The transducer showed reliable performance for electrical current measurement.
Conclusions:
- The developed optical fiber current transducer exhibits excellent temperature stability.
- The novel Sagnac interferometer design is effective in compensating for temperature effects.
- This technology offers a promising solution for accurate electrical current sensing in variable temperature environments.
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