SERS in action (IMAGE) University of Tokyo Caption SERS, or surface enhanced Raman spectroscopy, is a method of detecting the presence of a chemical indirectly by using laser light and a specialized sensor. The gold mesh provides an ideal surface for taking measurements as it does not interfere with the substance being measured. Credit ©2022 Goda et al. Usage Restrictions Credit ©2022 Goda et al. 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.