Article (Scientific journals)
Palladium-coated plasmonic optical fiber gratings for hydrogen detection
Cai, Shunshuo; Gonzalez Vila, Alvaro; Zhang, Xuejun et al.
2019In Optics Letters, 44 (18), p. 4483-4486
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Abstract :
[en] Surface plasmon resonance excitation with tilted fiber Bragg gratings has been typically studied using gold films to target biochemical sensing applications. However, surface plasmons can be excited on other metal coatings as well. In this work, plasmonic optical fiber grating platforms are developed using palladium films. Since the optical properties of this metal differ from the ones of gold, simulations are carried out to define the optimal thickness. Due to the phase transition of palladium in the presence of hydrogen, intensity changes in the optical transmission of the devices are produced. It is demonstrated that these platforms can be used for hydrogen detection at concentrations way below the lower explosive limit.
Research center :
CRIM - Ingénierie des matériaux
Disciplines :
Computer science
Physics
Author, co-author :
Cai, Shunshuo
Gonzalez Vila, Alvaro ;  Université de Mons > Faculté Polytechnique > Electromagnétisme et Télécommunications
Zhang, Xuejun
Guo, Tuan
Caucheteur, Christophe ;  Université de Mons > Faculté Polytechnique > Electromagnétisme et Télécommunications
Language :
English
Title :
Palladium-coated plasmonic optical fiber gratings for hydrogen detection
Publication date :
09 September 2019
Journal title :
Optics Letters
ISSN :
0146-9592
Publisher :
Optical Society of America, United States - New York
Volume :
44
Issue :
18
Pages :
4483-4486
Peer reviewed :
Peer Reviewed verified by ORBi
Research unit :
F108 - Electromagnétisme et Télécommunications
Research institute :
R400 - Institut de Recherche en Science et Ingénierie des Matériaux
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