Control of the transmission spectrum of a photonic crystal with lattice defects

来自 EBSCO

阅读量：

作者：

展开

摘要：

The transmission spectrum of a one-dimensional photonic crystal with structural defects is investigated. An anisotropic layer of a nematic liquid crystal is considered as a defect. The possibility of effective external control of the transmission spectrum of the photonic crystal by changing either the orientational state of the defect liquid crystal layer (for example, using an electric field) or the angle of incidence of light is shown. It is established that the spectral properties of the photonic crystal change radically with a change in the optical characteristics of the defect layer in the vicinity of the temperature phase transition of the nematic liquid crystal to the isotropic state.

展开

关键词：

Theoretical or Mathematical/ crystal defects nematic liquid crystals phase transformations photonic crystals/ transmission spectrum photonic crystal lattice defects structural defects anisotropic layer nematic liquid crystal orientational state optical characteristics temperature phase transition isotropic state/ A4270Q Photonic bandgap materials A7820P Photonic band gap (condensed matter) A4270D Liquid crystals (optical materials) A6130 Liquid crystals A6470M Transitions in liquid crystals