Nanopillars (IMAGE) Naval Research Laboratory Caption A 100,000 times magnified view of the gold coated, silicon nanopillars that make up the arrays used in the SERS measurements. Each array consists of 250,000 nanopillars with up to 400 arrays per wafer. Credit U.S. Naval Research Laboratory 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.