light absorber based on metamaterial

摘要

A metamaterial-based light absorber is provided. A metamaterial-based light absorber according to an embodiment of the present invention includes a reflective layer on the upper surface of a substrate, a conductive pattern on the reflective layer, an insulating pattern between the reflective layer and the conductive pattern, and the reflective layer through the conductive pattern and the insulating pattern to penetrate the substrate. and nanoholes exposing a top surface of the nanoholes, wherein the nanoholes may have a width of 1 nm to 1000 nm.