Design and Infrared Spectral Modulation Properties of Cu/CuO One-Dimensional Photonic Crystals

Abstract

Photonic crystals can effectively modulate infrared spectral properties. In this paper, a one-dimensional photonic crystal of multilayer Cu/CuO is proposed to achieve selective infrared radiation within atmospheric windows. A multilayer Cu/CuO with a periodic structure was designed via the transfer matrix method and prepared via reactive sputtering. The results of emissivity measurement showed that the Cu/CuO one-dimensional photonic crystals with 2–4 periods and a certain thickness exhibited good infrared-selective properties, with average emissivities of <0.1 and >0.9 at wavelengths of 3–5 and 8–14 μm, respectively; thus, the Cu/CuO onedimensional photonic crystals have potential applications as infrared spectral modulation materials.