Performance Analysis of Fiber Optic Current Sensor using Sagnac Interferometer

Authors

  • S. K. Idris@Othman Universiti Teknikal Malaysia Melaka
  • H. Haroon Universiti Teknikal Malaysia Melaka
  • H. Abdul Razak Universiti Teknikal Malaysia Melaka
  • A. S. Mohd Zain Universiti Teknikal Malaysia Melaka
  • H. Jaafar Universiti Teknikal Malaysia Melaka

Abstract


In conventional current sensors the accuracy, sensitivity, reliability, and safety are greatly affected by electromagnetic interference phenomena. The advancement of fiber optic technology in recent years opened up a better solution to this problem. The motivation of this project is to implement and enhance fiber optic as a current sensor. A fiber optic interferometer is applied to receive inputs from a modulator, which resemble the presence of an electromagnetic field around a conductor carrying an electrical current. This research is to design and demonstrate a fiber optic current sensor using Sagnac interferometric scheme. The design is simulated using Optisystem software. The performance of the fiber optic current sensor was observed and analyzed. Analysis has focused on the output waveform, transmission losses, power consumption, and sensitivity of the device based on the Pulse mode and CW mode. CW mode laser had a more stable and steady waveform however the power consumption and transmission losses are higher compared to pulse mode. For pulse mode, at a higher frequency, the sensitivity of the proposed fiber optic current sensor design is decreased.

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Author Biography

S. K. Idris@Othman, Universiti Teknikal Malaysia Melaka

Faculty of Electronics and Computer Engineering

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Published

2022-01-31

How to Cite

Idris@Othman, S. K., Haroon, H., Abdul Razak, H., Mohd Zain, A. S., & Jaafar, H. (2022). Performance Analysis of Fiber Optic Current Sensor using Sagnac Interferometer. Journal of Engineering and Technology (JET), 12(2), 55–70. Retrieved from https://jet.utem.edu.my/jet/article/view/6220

Issue

Vol. 12 No. 2 (2021): JOURNAL OF ENGINEERING AND TECHNOLOGY

Section

Articles

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