Experimental Study of Vibration Sensitivity in Unidirectional Polarimetric Current Sensors

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Published: Mar 30, 2018
Keywords:
current sensor, polarimetry

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P. Tantaswadi
Sirindhorn International Institute of Technology, Thammasat University, School of Electrical Engineering and Information Technology, Pathumthani, Thailand.
S. Maheshwari
Sirindhorn International Institute of Technology, Thammasat University, School of Electrical Engineering and Information Technology, Pathumthani, Thailand.
C. Tangtrongbenchasil
Sirindhorn International Institute of Technology, Thammasat University, School of Electrical Engineering and Information Technology, Pathumthani, Thailand.

Abstract

Accuracy of current measurement in optical fiber current sensor is affected by the environment perturbations to the sensing fiber such as mechanical vibrations, acoustic perturbations, and temperature changes. This paper presents the experimental study of the effect of mechanical vibrations on the current measurement error. Results show that current measurement error varies linearly with the amplitude of vibration. We also develop a novel mathematical model for vibration sensitivity in unidirectional polarimetric current sensors. In this paper, we believe that it is the first time that the effect of vibration to the single-mode-sensing fiber on the current measurement error in fiber optic polarimetric current sensor is formulated. Similation results agree well with the experimental results.


Keywords:  current sensor, polarimetry


Corresponding author: E-mail: cast@kmitl.ac.th

Article Details

Issue
Vol. 1 No. 1 (2001)
Section
Original Research Articles

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References

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