Thermal activation of regenerated fiber Bragg grating in few mode fibers

Lai, M.H. and Gunawardena, D.S. and Lim, Kok Sing and Machavaram, V.R. and Lee, S.H. and Chong, W.Y. and Lee, Y.S. and Ahmad, Harith (2016) Thermal activation of regenerated fiber Bragg grating in few mode fibers. Optical Fiber Technology, 28. pp. 7-10. ISSN 1068-5200

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Official URL: http://dx.doi.org/10.1016/j.yofte.2015.12.004

Abstract

This work demonstrated for the first time, the thermal regeneration of two and four modes graded index fiber Bragg gratings using high temperature tube furnace. During the regeneration process, the seed grating is erased and a new grating with lower index contrast is formed. The thermal calibration shows that the temperature sensitivity of regenerated grating is slightly higher for fiber with larger core. On the other hand, the regeneration temperature is lower for fiber with smaller core. The temperature sustainability up to 900 °C is observed for the produced regenerated gratings in few mode fibers.

Item Type: Article
Uncontrolled Keywords: Fiber Bragg gratings; Few mode fiber; Temperature sensing; Higher order modes
Subjects: Q Science > QC Physics
Divisions: Faculty of Science > Dept of Physics
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 11 Oct 2017 02:27
Last Modified: 11 Oct 2018 03:16
URI: http://eprints.um.edu.my/id/eprint/17951

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