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Regular | Open Access

Study of Temporal Thermal Response of Microfiber Bragg Grating

Changrui LIAO1,2 ( ), Tianhang YANG1,2, Jinli HAN1,2
Shenzhen Key Laboratory of Photonic Devices and Sensing Systems for Internet of Things, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
Guangdong and Hong Kong Joint Research Centre for Optical Fibre Sensors, Shenzhen University, Shenzhen 518060, China
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Abstract

Fiber Bragg grating has been successfully fabricated in the silica microfiber by the use of femtosecond laser point-by-point inscription. Temporal thermal response of the fabricated silica microfiber Bragg grating has been measured by the use of the CO2 laser thermal excitation method, and the result shows that the time constant of the microfiber Bragg grating is reduced by an order of magnitude compared with the traditional single-mode fiber Bragg grating and the measured time constant is ~ 21 ms.

Keywords

Fiber optics sensorsfiber optics and optical communicationsfiber optics components

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Photonic Sensors
Volume 11 Issue 4,
December 2021
Pages 387-391
DOI: 10.1007/s13320-020-0602-5

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Cite this article:
LIAO C, YANG T, HAN J. Study of Temporal Thermal Response of Microfiber Bragg Grating. Photonic Sensors, 2021, 11(4): 387-391. https://doi.org/10.1007/s13320-020-0602-5

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Received: 21 June 2020
Revised: 24 July 2020
Published: 11 September 2020
© The Author(s) 2020.

This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.