电波科学学报2026，Vol.41Issue(2)：299-305,7.DOI:10.12265/j.cjors.2025074
具有高电磁屏蔽效能的光学透明薄膜设计
Design of optically transparent film with high electromagnetic shielding effectiveness
摘要
Abstract
The proliferation of electronic and wireless systems has elevated electromagnetic interference(EMI)to a critical challenge in modern photoelectric applications.High-performance EMI shielding solutions for optical windows in aircraft,spacecraft,and electronic displays demand simultaneous achievement of superior shielding effectiveness(SE)and optical transparency.This study presents two innovative transparent shielding film configurations:a double-layer nested ring metamaterial and a bio-inspired honeycomb grid structure.By optimizing the unit cell period and wire filling ratio,it can realize high SE and balance high optical transmittance.Full-wave simulations demonstrate that the single-layer nested ring metallic mesh achieves a SE exceeding 28.8 dB below 40 GHz,with a theoretical transmittance of 88.3％.For the double-layer nested ring metallic mesh,the SE exceeds 45.7 dB below 40 GHz,with a theoretical transmittance of 78％.Another approach involves a transparent EMI shielding film based on double-layer hexagonal grid structure.The full-wave simulation SE at 18 GHz is 54 dB,the measured SE at 18 GHz is 46 dB,and the transmittance is 80.3％.The experimental and simulation curves are in good agreement.The proposed schemes hold promising prospects in the broadband high-shielding applications of aerospace optoelectronic systems.关键词
光学透明/电磁屏蔽/超构表面薄膜/嵌套环形/蜂窝网格Key words
optically transparent/electromagnetic shielding/metasurface film/nested ring/honeycomb grid分类
信息技术与安全科学引用本文复制引用
包家昕,钟小丹,崔浩,赵俊明..具有高电磁屏蔽效能的光学透明薄膜设计[J].电波科学学报,2026,41(2):299-305,7.基金项目
国家自然科学基金(U2241206)National Natural Science Foundation of China(U2241206) （U2241206）
