Michigan State University

Anton S Khomenko

Gary L Cloud

Mahmoodul Haq

A multi-layer transparent composite detection technique includes producing two beams from a single, low-coherence source, a test beam and a reference beam, and scanning the reference beam to determine, with high precision, the depths of flaws (e.g., delaminations, bubbles, inclusions or other reflective or scattering objects) within a specimen or test object. The techniques combine light back-reflected or back-scattered from an internal flaw or interface with light in a reference path to identify such features and locations.

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Lansing, MI, United States of America

Anton S Khomenko