Compact Laser Shearography System for Crack Detection

Laser Technology Inc. has demonstrated for the first time, the detection of non-visible cracks of less than 10 microns soon after casting of high performance concrete test prisms. Fine cracks may be associated with the two leading causes of concrete deterioration, delayed ettringite formation and alkali-silica reaction. Laser Technology is a leading developer, manufacturere and provider of laser shearography systems for aerospace and tire nondestructive testing. We have developed multiple portable systems for military aircraft and production systems for most major aerospace programs world wide. The use of the shearography crack detection system for DEF and ASR research will lead to a better understanding of these processes, improved high performance concrete processes and inspection capability to predict structural degradation on the nations infrastructure.