Coherently tiled titanium:sapphire laser amplification. (IMAGE) SPIE--International Society for Optics and Photonics Caption Coherently tiled titanium:sapphire laser amplification. Credit Yuxin Leng Usage Restrictions For media use. 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.