Title

Intrinsic high-sensitivity sensors based on etched single-mode polymer optical fibres

RIS ID

102428

Publication Details

K. Bhowmik, G. Peng, E. Ambikairajah, V. Lovric, W. R. Walsh, G. B. Prusty & G. Rajan, "Intrinsic high-sensitivity sensors based on etched single-mode polymer optical fibres," IEEE Photonics Technology Letters, vol. 27, (6) pp. 604-607, 2015.

Abstract

The significance of etched single-mode polymer optical fibers and their potential for the development of highsensitivity sensors are presented. A polymethyl methacrylatebased single-mode polymer optical fiber is etched to various diameters and it is observed that etching can lead to change in the material properties of the fiber, such as Young's modulus and thermal expansion coefficient. This can play a vital role in improving the intrinsic sensing capabilities of sensors based on etched polymer optical fiber. To demonstrate that the modified material properties of the etched polymer fiber can enhance its intrinsic sensing capabilities, sensing characteristics of etched polymer fiber Bragg gratings for strain, temperature, and pressure are obtained. From the results, it is confirmed that the sensors based on etched polymer fibers exhibit high intrinsic sensitivity compared with un-etched ones. The potential of developing a sensing system for simultaneous measurement of strain and temperature is also demonstrated.

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Link to publisher version (DOI)

http://dx.doi.org/10.1109/LPT.2014.2385875