Highly sensitive long period fibre grating temperature sensor

S. Y. Liu; Hwa Yaw Tam; M. S. Demokan

doi:10.1117/12.446627

Highly sensitive long period fibre grating temperature sensor

S. Y. Liu, Hwa Yaw Tam, M. S. Demokan

The Hong Kong Polytechnic University

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

3 Citations (Scopus)

Abstract

A novel technique to increase the temperature sensitivity of LPGs by exploiting the relatively large thermal coefficient of index-matching fluid to induce a large spectral shift of the LPG is reported in this paper. It is shown that the wavelength shift with temperature for such a LPG sensor can be as much as 1,500 times larger than that of sensors made of fibre Bragg gratings. A LPG-based temperature sensor with a resolution of about 0.03°C is reported.

Original language	English
Pages (from-to)	282-286
Number of pages	5
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	4595
DOIs	https://doi.org/10.1117/12.446627
Publication status	Published - 1 Dec 2001
Event	Photonic Systems and Applications - Singapore, Singapore Duration: 27 Nov 2001 → 30 Nov 2001

Keywords

Highly sensitive temperature sensor
Long period fiber grating
Thermal index fluid

ASJC Scopus subject areas

Electrical and Electronic Engineering
Condensed Matter Physics

More information

10.1117/12.446627

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KW - Thermal index fluid

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Highly sensitive long period fibre grating temperature sensor

Abstract

Keywords

ASJC Scopus subject areas

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