Micrograph of Herringbone Pattern (image) Harvard University Share Print E-Mail Caption An electron micrograph shows the nanoscale perforations at the surface of the plasmonic coupler. Credit Image courtesy of Jiao Lin and Balthasar Müller. Usage Restrictions None Share Print E-Mail 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.