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Proceedings Paper

Study of temperature sensing in a novel fattened electric arc induced LPFG
Author(s): R. I. Mata-Chávez; J. M. Estudillo-Ayala; R. Rojas-Laguna; E. Vargas-Rodríguez; A. Martínez-Rios; I. Torres-Gómez; D. Monzón-Hernandez; M. Trejo-Duran; J. R. Pérez-Chimal
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Paper Abstract

We propose a temperature sensor based on dispersion shifted long period fiber grating (LPFG) fabricated with the fattening method, using electric arc discharges from a commercial fusion splicer machine. The fattened LPFG are centered at 1524 and 1550 nm, respectively. A temperature characterization in terms of the transmitted spectrum is realized with a pumped Er+3 doped fiber as the light source. The less than 3 mm in length fattened LPFG reached a sensitivity of 72 pm/°C between a temperature range of (25-500°C). Temperature stability was observed among the temperature range of (25-200°C), result in agreement with our previous studies. From up to 200°C sensing is observed as temperature increases. To apply this LPFG as a temperature sensor, sensing was measured as voltage signal outputs with repeatable results. This sensor is a high temperature resistant device because non deterioration of its properties was observed, and can find useful applications when temperature stability may be needed or the sensing requirements are desirable.

Paper Details

Date Published: 24 August 2009
PDF: 6 pages
Proc. SPIE 7430, Laser Beam Shaping X, 743014 (24 August 2009); doi: 10.1117/12.826502
Show Author Affiliations
R. I. Mata-Chávez, Univ. de Guanajuato (Mexico)
J. M. Estudillo-Ayala, Univ. de Guanajuato (Mexico)
R. Rojas-Laguna, Univ. de Guanajuato (Mexico)
E. Vargas-Rodríguez, Univ. de Guanajuato (Mexico)
A. Martínez-Rios, Optical Research Ctr. (Mexico)
I. Torres-Gómez, Optical Research Ctr. (Mexico)
D. Monzón-Hernandez, Optical Research Ctr. (Mexico)
M. Trejo-Duran, Univ. de Guanajuato (Mexico)
J. R. Pérez-Chimal, Univ. de Guanajuato (Mexico)

Published in SPIE Proceedings Vol. 7430:
Laser Beam Shaping X
Andrew Forbes; Todd E. Lizotte, Editor(s)

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