Patent ID: 8363185
Filing Date: 2013-01-29
Classification: B82Y,G02B,G02F

Abstract:
1. A photonic crystal optical filter comprising: a transparent substrate; a barrier layer on the transparent substrate, the barrier layer entirely covering a surface of the transparent substrate; and a photonic crystal layer comprising a first material and a second material which are periodically arranged in an array of two dimensions, the two dimensions corresponding to a plane of the barrier layer, and an optical cut-off layer on the first material, the first material being formed into a lattice pattern having holes therein, the second material being formed to entirely cover the first material and the optical cut-off layer and to entirely fill the holes of the lattice pattern of the first material, and a refractive index of the first material being higher than a refractive index of the second material, the photonic crystal layer configured to transmit light having a wavelength corresponding to a photonic band gap.