Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(a) Schematic illustration of the plasmonic crystal. (b) Optical image of the fabricated plasmonic crystal with a size of 8 mm × 8mm. (c) and (d) Top- and side-view of scanning electron microscope images of the fabricated plasmonic crystal surfaces.
