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Sensors Go Out, Up, Down and Around

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Hank Hogan, Contributing Editor, [email protected]

Cows are happier. They also are giving more milk. Both of these related outcomes are a consequence of automated milking systems that depend upon photonics-based 3-D sensors. Other innovations involve sensors operating outside the visible spectrum, which brings its own set of advantages. For instance, the use of near-infrared (NIR) and short-wave infrared (SWIR) enables manufacturers to spot defects in glassware, silicon ingots and pharmaceutical products. Other sensor advances make use of polarization to better image fine surface features. While the capabilities of sensors are...Read full article

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