Optical fibre surface plasmon resonance sensor based on a palladium-yttrium alloy

F. Downes; C. M. Taylor

doi:10.1016/j.proeng.2015.08.738

Optical fibre surface plasmon resonance sensor based on a palladium-yttrium alloy

F. Downes, C. M. Taylor

Department of Environmental Science

Atlantic Technological University

Research output: Contribution to journal › Conference article › peer-review

12 Citations (Scopus)

Abstract

This work investigates the use of a Pd alloy as the hydrogen sensitive layer in an optical fibre surface plasmon resonance hydrogen sensor. The performance of the sensor is modelled using the transfer matrix model for a multi-layered structure. The structure consists of an Ag/SiO₂/PdY stack deposited on the core of a multimode optical fibre. We detail the behaviour of the sensor in the spectral domain by investigating its sensitivity and detection accuracy. We find that careful choice of the Ag layer thickness is needed to optimise sensor performance.

Original language	English
Pages (from-to)	602-605
Number of pages	4
Journal	Procedia Engineering
Volume	120
DOIs	https://doi.org/10.1016/j.proeng.2015.08.738
Publication status	Published - 2015
Event	29th European Conference on Solid-State Transducers, EUROSENSORS 2015; Freiburg; Germany; 6 September 2015 through 9 September 2015. - Freiburg, Germany Duration: 6 Sep 2015 → 9 Sep 2015

Keywords

Hydrogen sensing
Optical fibre sensors
Palladium yttrium alloy
SPR sensors
Surface plasmon resonance

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10.1016/j.proeng.2015.08.738

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abstract = "This work investigates the use of a Pd alloy as the hydrogen sensitive layer in an optical fibre surface plasmon resonance hydrogen sensor. The performance of the sensor is modelled using the transfer matrix model for a multi-layered structure. The structure consists of an Ag/SiO2/PdY stack deposited on the core of a multimode optical fibre. We detail the behaviour of the sensor in the spectral domain by investigating its sensitivity and detection accuracy. We find that careful choice of the Ag layer thickness is needed to optimise sensor performance.",

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AB - This work investigates the use of a Pd alloy as the hydrogen sensitive layer in an optical fibre surface plasmon resonance hydrogen sensor. The performance of the sensor is modelled using the transfer matrix model for a multi-layered structure. The structure consists of an Ag/SiO2/PdY stack deposited on the core of a multimode optical fibre. We detail the behaviour of the sensor in the spectral domain by investigating its sensitivity and detection accuracy. We find that careful choice of the Ag layer thickness is needed to optimise sensor performance.

KW - Hydrogen sensing

KW - Optical fibre sensors

KW - Palladium yttrium alloy

KW - SPR sensors

KW - Surface plasmon resonance

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Y2 - 6 September 2015 through 9 September 2015

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Optical fibre surface plasmon resonance sensor based on a palladium-yttrium alloy

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Keywords

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