Crystallographic Polarization-Classification Imaging (IMAGE) DOE/Sandia National Laboratories Caption A Crystallographic Polarization-Classification Imaging process patented by Advanced Optical Technologies produced this image of a piece of titanium. Sandia National Laboratories researchers worked with the company to prove that the process provides quick, accurate metal characterization. Credit Image courtesy of Advanced Optical Technologies Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.