Weld-lab-optical-setup-uc-santa-barbara (IMAGE) University of California - Santa Barbara Caption The experimental setup used by the Weld Lab Credit Photo Credit: Tony Mastres Usage Restrictions For use with Credit. 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.