LASER ULTRASONIC THERMOELASTIC/ABLATION GENERATION WITH LASER INTERFEROMETRIC DETECTION IN GRAPHITE/POLYMER COMPOSITES

James N. Caron; James B. Mehl; Karl V. Steiner

oai:CiteSeerX.psu:10.1.1.995.5649

LASER ULTRASONIC THERMOELASTIC/ABLATION GENERATION WITH LASER INTERFEROMETRIC DETECTION IN GRAPHITE/POLYMER COMPOSITES

Authors: James N. Caron
James B. Mehl
Karl V. Steiner
Publication date: October 14, 2016
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Abstract

Ultrasonic signals have been generated and detected in graphite/polymer composites by optical methods. A Doppler interferometric technique was used for detection. The output voltage of this type of interferometer is proportional to the surface velocity of a sample area which is illuminated by cw laser light. Ultrasoni

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