ThuliumV1, Pascal, Checkpoint, bibRecord, 000D55

Frequency-domain fluorescence based fiber optic fire alarm system

Identifieur interne : 000D55 ( Pascal/Checkpoint ); précédent : 000D54; suivant : 000D56

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.

Affiliations:

Royaume-Uni, Singapour

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Pascal:01-0146461

Le document en format XML

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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

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Links to Exploration step

Le document en format XML

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