5 September 2014 Characterization of long-period fiber grating as load sensing
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We show the sensing of load by means mechanically induced long-period fiber grating (MLPFG) made by applying pressure by means a screw to a pair of grooved plates over single-mode fiber. We used a torquemeter in order to obtain precision in the adjustment screw and thus establish an equilibrium pressure applied to a specific region of the optical fiber to form the long-period grating mechanically induced fiber. The increase the torque to screw, the resonance wavelength of MLPFG increases its depth over 16 dB. We use a detector to observe the changes amplitude according to the fiber pressure.
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E. Huerta-Mascotte, E. Huerta-Mascotte, J. M. Estudillo-Ayala, J. M. Estudillo-Ayala, R. I. Mata-Chávez, R. I. Mata-Chávez, A. D. Guzmán-Chávez, A. D. Guzmán-Chávez, D. Jauregui-Vázquez, D. Jauregui-Vázquez, J. M. Sierra-Hernández, J. M. Sierra-Hernández, J. C. Hernández-Garcia, J. C. Hernández-Garcia, E. Vargas-Rodríguez, E. Vargas-Rodríguez, R. Rojas-Laguna, R. Rojas-Laguna, "Characterization of long-period fiber grating as load sensing", Proc. SPIE 9200, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications VIII, 92001D (5 September 2014); doi: 10.1117/12.2061541; https://doi.org/10.1117/12.2061541

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