Patent ID: 9322708
Filing Date: 2016-04-26
CPC Classification: B82Y,G01J,G01N,Y10T

Claim Text:
1. An optical device comprising: a substrate having a dielectric layer and metal particles; and an organic molecular layer formed by self-assembly on at least either the surface of the dielectric layer or the surfaces of the metal particles, wherein in the organic molecular layer, a first organic molecule and a second organic molecule are alternately arranged in a first direction, the chain length of an organic group of the first organic molecule and the chain length of an organic group of the second organic molecule are different from each other, the organic molecular layer has a capture region in which a given substance is captured on the surface thereof, the capture region is defined by a chain length difference between the organic group of the first organic molecule and the organic group of the second organic molecule and the arrangement interval of the first organic molecule having a longer chain length than the second organic molecule, and the self-assembly occurs such that the organic molecular layer, in which the molecules have the same orientation, is formed on the surface by an interaction between the first organic molecule and the second organic molecule adsorbed on the surface in a solution or a vapor.