Laser Sintered Samples (IMAGE) ICFO-The Institute of Photonic Sciences Caption Laser sintered samples by using PA12 powder and gold nanoparticles (GNRs), tungsten oxide (WO3) and carbon-black-based sensitizers (CB). Credit ICFO 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.