Resurgent regenerated fiber Bragg gratings and thermal annealing techniques for ultra-high temperature sensing beyond 1400°C

Dinusha Serandi Gunawardena; On Kit Law; Zhengyong Liu; Xiaoxuan Zhong; Yuk Ting Ho; Hwa Yaw Tam

doi:10.1364/OE.375421

Resurgent regenerated fiber Bragg gratings and thermal annealing techniques for ultra-high temperature sensing beyond 1400°C

Dinusha Serandi Gunawardena, On Kit Law, Zhengyong Liu, Xiaoxuan Zhong, Yuk Ting Ho, Hwa Yaw Tam

Research output: Journal article publication › Journal article › Academic research › peer-review

6 Citations (Scopus)

Abstract

We report for the first time the resurgence of regenerated fiber Bragg gratings (RFBGs) useful for ultra-high temperature measurements exceeding 1400 °C. A detailed study of the dynamics associated with grating regeneration in six-hole microstructured optical fibers (SHMOFs) and single mode fibers (SMFs) was conducted. Rapid heating and rapid cooling techniques appeared to have a significant impact on the thermal sustainability of the RFBGs in both types of optical fibers reaching temperature regimes exceeding 1400 °C. The presence of air holes sheds new light in understanding the thermal response of RFBGs and the stresses associated with them, which governs the variation in the Bragg wavelength.

Original language	English
Pages (from-to)	10595-10608
Number of pages	14
Journal	Optics Express
Volume	28
Issue number	7
DOIs	https://doi.org/10.1364/OE.375421
Publication status	Published - 30 Mar 2020

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1364/OE.375421

http://hdl.handle.net/10397/82309

Cite this

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title = "Resurgent regenerated fiber Bragg gratings and thermal annealing techniques for ultra-high temperature sensing beyond 1400°C",

abstract = "We report for the first time the resurgence of regenerated fiber Bragg gratings (RFBGs) useful for ultra-high temperature measurements exceeding 1400 °C. A detailed study of the dynamics associated with grating regeneration in six-hole microstructured optical fibers (SHMOFs) and single mode fibers (SMFs) was conducted. Rapid heating and rapid cooling techniques appeared to have a significant impact on the thermal sustainability of the RFBGs in both types of optical fibers reaching temperature regimes exceeding 1400 °C. The presence of air holes sheds new light in understanding the thermal response of RFBGs and the stresses associated with them, which governs the variation in the Bragg wavelength.",

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AU - Zhong, Xiaoxuan

AU - Ho, Yuk Ting

AU - Tam, Hwa Yaw

N1 - Funding Information: Hong Kong Polytechnic University (1-BBYE, 1-BBYS, 1-ZVGB); National Natural Science Foundation of China (61827820, 61905096). Publisher Copyright: © 2020 Optical Society of America.

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Resurgent regenerated fiber Bragg gratings and thermal annealing techniques for ultra-high temperature sensing beyond 1400°C

Abstract

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