Patent ID: 9204803
Filing Date: 2015-12-08
Classification: A61B,G01N

Abstract:
1. An optical device comprising: a substrate; a metal nanostructure on the substrate and contains a plurality of metal particles; and an organic molecular film on the metal nanostructure, wherein a particle size of each of the plurality of metal particles is 1 nm to 500 nm when seen in a plan view, the organic molecular film includes a plurality of holes penetrating through the organic molecular film in a thickness direction, the plurality of holes are arranged in a two dimensional array on surfaces of the metal particles, a size α of each of the plurality of holes satisfies 0.5 nm≦α≦5 nm, a period P of the plurality of holes in the array satisfies P≦10 nm, and a thickness t of the organic molecular film satisfies t≦1 nm.