(IMAGE) Yokohama National University Caption Shining intense infrared laser pulses on titanium generates higher-frequency light, revealing how its optical properties change in different directions due to variations in electron movement and bonding. Credit Yokohama National University Usage Restrictions News organizations may use or redistribute this image, with proper attribution, as part of news coverage of this paper only. License Original 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.