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Research Article Open Access
Fiber optic sensors are playing important role in the field of sensors. This is due to spontaneous response and ease in handling. Hence, it is proposed to study the Characterization of Intensity Modulated Fiber Optic Sensor. In the present paper, we have made use of a plastic optical fiber operated at 820nm and 850nm. A small portion of cladding has been removed in the middle of the optical fiber and the bare core is exposed in guiding liquid of various concentrations of common salt and sugar solutions. One end of the fiber is connected to the source and the other end to a power meter. The output power at the second end of the fiber is measured. The relation between refractive index of guiding liquid (which varies with concentration) and the output power, power loss, V-number, modal dispersion etc. are studied.
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Author(s): C. Venkatasubbaiah, V. Sreeharibabu, A. Jayanth Kumar, S.Chandralingam
Intensity modulated fiber optic sensor, variation of output power with change in refractive index, power loss, V-number, modal dispersion, Aerospace Engineering,Applied Electronics,Applied Sciences,Biogenetic Engineering,Botany,Fluid Dynamics.