Advancing Hydrogen Sensing for Sustainable Aviation: A Metal Hydride Coated TFBG Optical Fibre Hydrogen Sensor

被引：0
|
作者：
Dissanayake, Kasun P. [1 ]
Dewi, H. Sandra [1 ]
Schreuders, Herman [2 ]
Bannenberg, Lars J. [2 ]
Groves, Roger M. [1 ]
机构：
[1] Department of Aerospace Structures and Materials, Delft University of Technology, Netherlands
[2] Faculty of Applied Sciences, Delft University of Technology, Netherlands
来源：
e-Journal of Nondestructive Testing | 2024年 / 29卷 / 07期
关键词：
Fiber optic sensors;
D O I：
10.58286/29653
中图分类号：
学科分类号：
摘要：
Hydrogen, which serves as a major driver of sustainable aviation, requires precise sensing methods. This study focuses on the development of a metal hydride-coated tilted fibre Bragg grating (TFBG) based sensor for hydrogen detection, with tantalum as a novel sensing material for fibre optic hydrogen sensing. Magnetron sputtering has been employed to deposit nanometer-scale metal films onto the optical fibre surface of the TFBG structure. In this proof of concept work, changes in both amplitude and the centre wavelength of cladding resonances of the TFBG transmission spectrum were observed in the hydrogen concentration range from 0.01% to 4% at room temperature. © 2024, NDT. net GmbH and Co. KG. All rights reserved.
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