Possibility of using laser-fibre optics as a fire detection system

Wan Ki Chow; Eric T.K. Wan; K. P. Cheung

doi:10.1016/S0143-8166(96)00002-4

Possibility of using laser-fibre optics as a fire detection system

Wan Ki Chow, Eric T.K. Wan, K. P. Cheung

The Hong Kong Polytechnic University

Research output: Journal article publication › Journal article › Academic research › peer-review

1 Citation (Scopus)

Abstract

Optical fibres together with a helium-neon laser is proposed to be used as a new fire detection system. This has been investigated experimentally and reported in this paper. Results on the coupling loss, bending loss, extinction loss of the fibres due to smoke and refraction loss through hot air shimmer are described. Comparison with the performance of common optical and ionization detectors is made. Experimental results indicate that the optical signal would be significantly changed when there is smoke. Hence it is highly probable that a new fire detection system can be designed using laser-fibre optics.

Original language	English
Pages (from-to)	201-210
Number of pages	10
Journal	Optics and Lasers in Engineering
Volume	27
Issue number	2
DOIs	https://doi.org/10.1016/S0143-8166(96)00002-4
Publication status	Published - 1 Jan 1997

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Mechanical Engineering
Electrical and Electronic Engineering

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10.1016/S0143-8166(96)00002-4

Cite this

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N2 - Optical fibres together with a helium-neon laser is proposed to be used as a new fire detection system. This has been investigated experimentally and reported in this paper. Results on the coupling loss, bending loss, extinction loss of the fibres due to smoke and refraction loss through hot air shimmer are described. Comparison with the performance of common optical and ionization detectors is made. Experimental results indicate that the optical signal would be significantly changed when there is smoke. Hence it is highly probable that a new fire detection system can be designed using laser-fibre optics.

AB - Optical fibres together with a helium-neon laser is proposed to be used as a new fire detection system. This has been investigated experimentally and reported in this paper. Results on the coupling loss, bending loss, extinction loss of the fibres due to smoke and refraction loss through hot air shimmer are described. Comparison with the performance of common optical and ionization detectors is made. Experimental results indicate that the optical signal would be significantly changed when there is smoke. Hence it is highly probable that a new fire detection system can be designed using laser-fibre optics.

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Possibility of using laser-fibre optics as a fire detection system

Abstract

ASJC Scopus subject areas

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