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Hamamatsu Corp. - Earth Innovations LB 2/24

Fiber Optic Sensor Measures Sea's Saltiness

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Daniel Woolls

Bathers can tell that the Dead Sea is extremely salty because all they can do in it is float. Physicists at the Universidad Complutense say they have a more precise way to measure maritime salinity: a fiber optic sensor. Although the researchers have so far tested it only in their laboratory, preliminary results indicate that it has great potential for the real-time monitoring of both sea salt and contamination levels. The sensor will be simpler and less expensive than the traditional method of checking salinity with an electrical conductivity meter, the researchers say. Fiber optics...Read full article

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