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Middle-IR Transmission Zone For Corrosion and Crack Detection Beneath Paint

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Abstract

Transmission spectra of standard military and commercial paints were measured, and the best transmission zone was found in the middle-IR from 3.5-um to 5.7-um. Middle-IR backscattering scanning and CCD imaging approaches were developed to detect metal corrosion and small cracks underneath paint layers of up to 150-um.

© 2003 Optical Society of America

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