7 September 2017 Elongation-based fiber optic tunable filter
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This paper focuses on introducing the results of a model using a control system for an optical filter that can be tuned, using a solution that employs both, an elongation control system and a fiber Bragg grating. At the first stage, the optical characterization of the filter was made, then the stepper motors were chosen for the desired wavelength selection with a couple of pulleys which produce the grating elongation and, as a consequence, the wavelength shifting. The pulleys diameters were calculated to produce 0.8 nm shift for each filtering wavelength using a control program.
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G. G. Pérez-Sánchez, G. G. Pérez-Sánchez, J. A. Mejia-Islas, J. A. Mejia-Islas, E. A. Andrade-González, E. A. Andrade-González, J. R. Pérez-Torres, J. R. Pérez-Torres, } "Elongation-based fiber optic tunable filter", Proc. SPIE 10404, Infrared Sensors, Devices, and Applications VII, 1040412 (7 September 2017); doi: 10.1117/12.2274650; https://doi.org/10.1117/12.2274650

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