Low-cost FBG temperature sensor for application in cultural heritage preservation

I. Ivaşcu, D. Tosi, M. Olivero, G. Perrone, N. N. Puşcaş

Research output: Contribution to journalArticle

Abstract

In this paper we present a low-cost system for temperature measurement based on a fibre Bragg grating and a narrow bandwidth fixed-wavelength laser. The system has been calibrated in the range 7 °C € 29 °C, and tested in outdoor conditions, exhibiting a maximum uncertainty of 1 °C over a 3 days. This performance, together with features such as small form factor and intrinsic fire safety, makes it a possible solution for continuous monitoring of cultural heritage infrastructures and artifacts.

Original languageEnglish
Pages (from-to)196-200
Number of pages5
JournalOptoelectronics and Advanced Materials, Rapid Communications
Volume2
Issue number4
Publication statusPublished - Apr 1 2008
Externally publishedYes

Keywords

  • Bragg wavelength
  • Fibre bragg grating (FBG)
  • Fibre optic sensor (FOS)
  • Intensity modulation
  • Temperature sensor

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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