Imaging In The Shortwave Infrared (SWIR) For Industrial Applications
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•Article: Imaging In The Shortwave Infrared (SWIR) For Industrial Applications
By Douglas Malchow, business development for commercial products SUI
(Sensors Unlimited, Inc.), part of Goodrich Corporation (Princeton, N.J.)
When visible imaging comes up short, SWIR can be the answer
Visible-camera machine vision of industrial processes saves time, money and resources for manufacturers all over the world. Identifying drift in a manufacturing process at the point of origin saves millions of dollars in scrap product down the line. But what do you do if the production of goods you are trying to control provides no observable or visible cues for monitoring the process or detecting defects? The challenge to the process engineer is to find viable alternatives that will work with the inspection infrastructure that already exists.
This article explores the use of invisible light to solve some everyday industrial imaging challenges and illustrates the method by developing a solution for imaging the placement of white glue on white cardboard boxes.
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•Article: Imaging In The Shortwave Infrared (SWIR) For Industrial Applications