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Laser Ultrasound Evaluates Paper

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Michael D. Wheeler

One of the biggest challenges for the paper-making industry is testing the strength and flexibility of paper during production. Engineers must resort to examining samples cut from the ends of completed rolls. Now, engineers from Lawrence Berkeley National Laboratory in Berkeley, Calif., and the Institute of Paper Science and Technology in Atlanta have developed a laser-induced ultrasound system that measures the flexibility of various grades of paper on the fly, in real time. A laser-induced ultrasound system developed at Lawrence Berkeley National Laboratory and the Institute of Paper...Read full article

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    Published: June 2002
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