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Frequency-domain fluorescence based fiber optic fire alarm system

Identifieur interne : 001F60 ( Main/Curation ); précédent : 001F59; suivant : 001F61

Frequency-domain fluorescence based fiber optic fire alarm system

Auteurs : T. Sun [Singapour] ; Z. Y. Zhang [Royaume-Uni] ; K. T. V. Grattan [Royaume-Uni]

Source :

Review of scientific instruments [ 0034-6748 ] ; 2001-04.

RBID : Pascal:01-0146461

Descripteurs français

Pascal (Inist)
- 4281P, 0760V, 7855H, 0720D, Etude expérimentale, Appareillage, Méthode mesure, Erbium, Thulium, Capteur fibre optique, Analyse domaine fréquence, Fluorescence, Capteur température, Système alarme, Incendie.
Wicri :
- topic : Incendie.

English descriptors

KwdEn :
- Alarm systems, Erbium, Experimental study, Fiber optic sensors, Fires, Fluorescence, Frequency domain analysis, Instrumentation, Measuring methods, Temperature sensors, Thulium.

Abstract

Erbium and thulium doped fibers have been investigated in this work, for the first time, to determine their potential in fire or high temperature alarm applications based on the use of fluorescence decay in the frequency domain. Two configurations of the sensing system have been tested and compared, with particular reference to their minimum spatial resolution and location discrimination characteristics. The initial results show that temperature excursions of 125°C within 10 cm along a length of a 1.2 m sensing loop can be determined within a period of some tens of seconds, which is adequate for the sensor purpose, and work is continuing to increase the system's sensitivity. © 2001 American Institute of Physics.

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Pascal:01-0146461

Le document en format XML

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<country xml:lang="fr">Singapour</country>
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<author><name sortKey="Zhang, Z Y" sort="Zhang, Z Y" uniqKey="Zhang Z" first="Z. Y." last="Zhang">Z. Y. Zhang</name>
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<country xml:lang="fr">Royaume-Uni</country>
<wicri:regionArea>Department of Electrical, Electronic and Information Engineering, City University, Northampton Square, London EC1V 0HB</wicri:regionArea>
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<author><name sortKey="Grattan, K T V" sort="Grattan, K T V" uniqKey="Grattan K" first="K. T. V." last="Grattan">K. T. V. Grattan</name>
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<term>Fiber optic sensors</term>
<term>Fires</term>
<term>Fluorescence</term>
<term>Frequency domain analysis</term>
<term>Instrumentation</term>
<term>Measuring methods</term>
<term>Temperature sensors</term>
<term>Thulium</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>4281P</term>
<term>0760V</term>
<term>7855H</term>
<term>0720D</term>
<term>Etude expérimentale</term>
<term>Appareillage</term>
<term>Méthode mesure</term>
<term>Erbium</term>
<term>Thulium</term>
<term>Capteur fibre optique</term>
<term>Analyse domaine fréquence</term>
<term>Fluorescence</term>
<term>Capteur température</term>
<term>Système alarme</term>
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<front><div type="abstract" xml:lang="en">Erbium and thulium doped fibers have been investigated in this work, for the first time, to determine their potential in fire or high temperature alarm applications based on the use of fluorescence decay in the frequency domain. Two configurations of the sensing system have been tested and compared, with particular reference to their minimum spatial resolution and location discrimination characteristics. The initial results show that temperature excursions of 125°C within 10 cm along a length of a 1.2 m sensing loop can be determined within a period of some tens of seconds, which is adequate for the sensor purpose, and work is continuing to increase the system's sensitivity. © 2001 American Institute of Physics.</div>
</front>
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</record>

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Frequency-domain fluorescence based fiber optic fire alarm system

Frequency-domain fluorescence based fiber optic fire alarm system

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri