基于一维单负光子晶体的激光/红外兼容隐身技术研究

Laser/Infrared Compatible Stealth Technique Based on One-dimensional Single-negative Photonic Crystal

红外/激光主被动的兼容隐身要求目标物在特定波长具有高透射低反射率,而在特定波段有高反射低透射率,目前主要针对这一矛盾人们研究发现光子晶体具有的"光谱挖孔"特性适用于解决该矛盾,但效果并不理想。主要原因是常规光子晶体的"光谱挖孔"只有在垂直入射条件下才满足,而负折射材料一维单负光子晶体的缺陷模特性可以实现全向的"光谱挖孔"效果。本文针对该现象通过优化及仿真计算分别实现了1.06μm和10.6μm波长处的"光谱挖孔"。

Infrared/laser active and passive stealth requires a compatible target at a specific wavelength with high trans- mittance low reflectance, in the particular band of high transmissivity and low reflection, at present the main for this contra- diction that people findings photonic crystals have ＂spectral hole digging＂ feature applicable for solve this problem, but effect unsatisfactory. The main question is conventional photonic crystals, ＂Spectral hole digging＂ must need vertically incident, However One-dimensional single-negative photonic crystal＇s Defect mode feature can achieve omnidirectional ＂spectral hole digging＂ effect. In this paper against with this phenomenon, were achieved 1.06μm and 10. 6μm Spectral hole digging by op- timizing and simulation.