16 August 2010 Fabrication and characterization of long period fiber gratings with an alternative electric arc method to be applied as optical fiber sensors
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Abstract
We propose the fabrication and characterization to bending and temperature of a long period fiber grating with the alternative electric arc method known as fattening. This is the enlargement of the fiber structure by means of arc discharges from a commercial splicing machine. The fiber structure consists of 4 layers of glass of different refractive index. The resulting device is a reject band filter with an attenuation band around 1400nm. It has a bandwidth of 162nm with a depth around 26.9 dB. Test to bending depict changes in band depth up to -10dB between radii values of 4-7cm with a shifting span of 16.8nm. Temperature characterizations are made with bending and straight fiber over a hot surface. Interesting achievements can take advantage as optical sensors with different characteristics. Optimization in the fabrication process can be achieved to lower the insertion losses so better sensors can be applied for industry and commercial applications.
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R. I. Mata-Chávez, R. I. Mata-Chávez, J. M. Estudillo-Ayala, J. M. Estudillo-Ayala, R. Rojas-Laguna, R. Rojas-Laguna, E. Vargas-Rodríguez, E. Vargas-Rodríguez, M. Trejo-Duran, M. Trejo-Duran, E. Alvarado-Méndez, E. Alvarado-Méndez, J. A. Andrade-Lucio, J. A. Andrade-Lucio, } "Fabrication and characterization of long period fiber gratings with an alternative electric arc method to be applied as optical fiber sensors", Proc. SPIE 7789, Laser Beam Shaping XI, 77890X (16 August 2010); doi: 10.1117/12.860784; https://doi.org/10.1117/12.860784
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