Fiber-optics sensor for in situ salinity measurement.
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2000
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SPIE--The International Society for Optical Engineering
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Abstract
The degree of salinity of water is measured by determining its refractive index with a fiber-optics sensor. The physical principle of the device is the attenuation of the optical power guided by the fibre by the resonant coupling with surface plasmons of a metal layer deposited on the polished cladding of the fibre. The linearity and accuracy of the sensor make it suitable for in situ measurements.
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©2000 SPIE--The International Society for Optical Engineering.
International Conference on Optical Fiber Sensors (14ª. 2000. Venecia, Italia).