Intensity-based Macro-bend Plastic Optical Fiber Sensor using Raspberry Pi Platform

Prenia R Marak, Sidhart Thapa, Prangshu Permey, Hironmay Deb

Abstract


This paper presents an optical fiber sensor-based instrumentation system to measure the light intensity due to different refractive indices. The proposed sensor system consists of (i) He-Ne Laser as a source (ii) Fiber optic cable (iii) CCD camera to capture the intensity (iv) Raspberry Pi using phyton for processing. The optical fiber is bent into different radius and the intensity is captured every time the fiber is bent by the CCD camera. The Raspberry Pi use the phyton codes to process the captured intensity and plot it in the Gaussian curve. This sensor can be used for sensing the intensity of different solutions with different refractive indexes.


Keywords


Attenuation; CCD camera; Gaussian plot; He-Ne Laser; Macro bending; Raspberry pi.

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