28 June 2017 Water turbidity optical meter using optical fiber array for topographical distribution analysis
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Abstract
This work is presenting an analysis study for using optical fiber array as turbidity meter and topographical distribution. Although many studies have been figure out of utilizing optical fibers as sensors for turbidity measurements, still the topographical map of suspended particles in water as rare as expected among all of works in literatures in this scope. The effect of suspended particles are highly affect the water quality which varies according to the source of these particles. A two dimensional array of optical fibers in a 1 litter rectangular plastic container with 2 cm cladding off sensing portion prepared to point out 632.8 nm laser power at each fiber location at the container center. The overall output map of the optical power were found in an inhomogeneous distribution such that the top to down layers of a present water sample show different magnitudes. Each sample prepared by mixing a distilled water with large grains sand, small grains sand, glucose and salt. All with different amount of concentration which measured by refractometer and turbidity meter. The measurements were done in different times i.e. from 10 min to 60 min. This is to let the heavy particles to move down and accumulate at the bottom of the container. The results were as expected which had a gradually topographical map from low power at top layers into high power at bottom layers. There are many applications can be implemented of this study such as transport vehicles fuel meter, to measure the purity of tanks, and monitoring the fluids quality in pipes.
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Kussay Nugamesh Mutter, Mohd Zubir Mat Jafri, Stephenie Yeoh, "Water turbidity optical meter using optical fiber array for topographical distribution analysis", Proc. SPIE 10329, Optical Measurement Systems for Industrial Inspection X, 103294D (28 June 2017); doi: 10.1117/12.2270407; https://doi.org/10.1117/12.2270407
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