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Design, Analysis, and Realization of a Turbidity Sensor Based on Collection of Scattered Light by a Fiber-Optic Probe

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4 Author(s)
Prerana ; Dept. of Phys., Indian Inst. of Technol. Delhi, New Delhi, India ; Shenoy, M.R. ; Pal, B.P. ; Gupta, B.D.

We propose a method for sensing the turbidity of a solution using a fiber-optic bundle probe in conjunction with a mirror. We have estimated turbidity in terms of total interaction coefficient, a parameter that contains strong signature of the turbidity of a liquid. A simple model based on geometrical optics and also a light-scattering model based on Monte Carlo simulations are employed to estimate the power collected by the optical fiber probe. The method is simple, and should be useful for detecting suspended impurities in a liquid even in small quantities.

Published in:

Sensors Journal, IEEE  (Volume:12 ,  Issue: 1 )