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9 September 2019 RGB optoelectronic device determines the refractive index in liquid solutions
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In this work, we show an optoelectronic system based on a plastic optical fiber (POF), which can detect changes in the RGB composition in liquid solutions. This system consists of a white light (LED) with 3 W of power, and 20 centimeters of POF with cladding in the U-configuration,where 0.5 cm is without cladding that allows having contact with the rest of the solution. Also, the arrangement of photodiodes allows us to capture the intensity of light that comes from the fiber. Furthermore, we tested different solutions where we observed changes in the RGB color composition, using different concentrations of water with alcohol. These results shall allow us to design in the future a prototype for measuring the refractive index in different liquid solutions.
© (2019) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
O. X. Vera-Duarte, J. D. Filoteo-Razo Sr., J. M. Estudillo-Ayala, J. C. Hernandez-Garcia, D. Jauregui-Vazquez Sr., J. M. Sierra-Hernández Sr., and R. Rojas-Laguna "RGB optoelectronic device determines the refractive index in liquid solutions", Proc. SPIE 11105, Novel Optical Systems, Methods, and Applications XXII, 111051C (9 September 2019);

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