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Methane sensing using multiple-coupling gaps in hollow-core photonic bandgap fibers

Methane sensing using multiple-coupling gaps in hollow-core photonic bandgap fibers
Methane sensing using multiple-coupling gaps in hollow-core photonic bandgap fibers
Gas detection and gas sensing based on hollow core photonic bandgap fiber (HC-PBF) is a very promising technique due to the long interaction light-gas lengths that are achievable. However, long path-lengths also imply higher gas filling times of the hollow fiber and higher response times of the detection systems what can constitute a serious practical inconvenience. In this paper, the high sensitivity is maintained but the sensor response time is reduced by using multiple coupling fiber gaps. The results and conclusions extracted from a systematic experimental study (comparing the spectra and filling time of different HC-PBF lengths and different number of coupling gaps) are presented and discussed. Finally, the maximum number of gaps allowed in the system is modelled.
Lazaro, J.M.
ad33d08a-035e-42b3-8b73-ce2c8fe17c41
Cubillas, A.M.
333991f8-a83a-4edf-a79a-38ce16a29450
Silva-Lopez, M.
73c4d5d3-f70d-4db3-921b-dfac61e18651
Conde, O.M.
0ec97d1c-778e-487a-b486-3bae32a4bf44
Petrovich, M.
bfe895a0-da85-4a40-870a-2c7bfc84a4cf
López-Higuera, J.M.
acf3b7bd-9a4e-44b1-b0d9-f8d944dc30d4
Lazaro, J.M.
ad33d08a-035e-42b3-8b73-ce2c8fe17c41
Cubillas, A.M.
333991f8-a83a-4edf-a79a-38ce16a29450
Silva-Lopez, M.
73c4d5d3-f70d-4db3-921b-dfac61e18651
Conde, O.M.
0ec97d1c-778e-487a-b486-3bae32a4bf44
Petrovich, M.
bfe895a0-da85-4a40-870a-2c7bfc84a4cf
López-Higuera, J.M.
acf3b7bd-9a4e-44b1-b0d9-f8d944dc30d4

Lazaro, J.M., Cubillas, A.M., Silva-Lopez, M., Conde, O.M., Petrovich, M. and López-Higuera, J.M. (2008) Methane sensing using multiple-coupling gaps in hollow-core photonic bandgap fibers. 19th International Conference on Optical Fibre Sensors (OFS19). 14 - 18 Apr 2008.

Record type: Conference or Workshop Item (Paper)

Abstract

Gas detection and gas sensing based on hollow core photonic bandgap fiber (HC-PBF) is a very promising technique due to the long interaction light-gas lengths that are achievable. However, long path-lengths also imply higher gas filling times of the hollow fiber and higher response times of the detection systems what can constitute a serious practical inconvenience. In this paper, the high sensitivity is maintained but the sensor response time is reduced by using multiple coupling fiber gaps. The results and conclusions extracted from a systematic experimental study (comparing the spectra and filling time of different HC-PBF lengths and different number of coupling gaps) are presented and discussed. Finally, the maximum number of gaps allowed in the system is modelled.

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More information

Published date: 2008
Venue - Dates: 19th International Conference on Optical Fibre Sensors (OFS19), 2008-04-14 - 2008-04-18

Identifiers

Local EPrints ID: 76326
URI: https://eprints.soton.ac.uk/id/eprint/76326
PURE UUID: 53d0e3df-d358-4d15-b9cb-a72f58a87fb1
ORCID for M. Petrovich: ORCID iD orcid.org/0000-0002-3905-5901

Catalogue record

Date deposited: 22 Mar 2010
Last modified: 03 Dec 2019 01:53

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Contributors

Author: J.M. Lazaro
Author: A.M. Cubillas
Author: M. Silva-Lopez
Author: O.M. Conde
Author: M. Petrovich ORCID iD
Author: J.M. López-Higuera

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