Study of temperature sensing in a novel fattened electric arc induced LPFG

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

doi:10.1117/12.826502

24 August 2009 Study of temperature sensing in a novel fattened electric arc induced LPFG

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

Author Affiliations +

Proceedings Volume 7430, Laser Beam Shaping X; 743014 (2009) https://doi.org/10.1117/12.826502
Event: SPIE Optical Engineering + Applications, 2009, San Diego, California, United States

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.

Citation Download Citation

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, and J. R. Pérez-Chimal "Study of temperature sensing in a novel fattened electric arc induced LPFG", Proc. SPIE 7430, Laser Beam Shaping X, 743014 (24 August 2009); https://doi.org/10.1117/12.826502

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