The Double-Layer Matching Design of Broad-Band Foam Cement Absorbing Panel for Electromagnetic Pollution Control

• Published in: Applied Mechanics and Materials Vol. 401-403; pp. 924 - 928
• Main Authors: Zhang, Yue Fang, Chen, Dong Wei, Yu, Xue Hong, Wang, Ming Ming, Yi, Ying Ying, Hao, Wan Jun, Wu, Fan, Zhao, Hui Chao, Dong, Yi Feng
• Format: Journal Article
• Language: English
• Published: Zurich Trans Tech Publications Ltd 01.01.2013
• Subjects: Matching Design; Foam Cement; Absorber; Electromagnetic Pollution
• ISBN: 303785846X; 9783037858462
• ISSN: 1660-9336; 1662-7482; 1662-7482
• DOI: 10.4028/www.scientific.net/AMM.401-403.924

Based on the principle of electromagnetic wave absorption, through the double-layer matching design and simulation analysis, taking foam cement panel as the dielectric material, combining with the resistive film, the paper has successfully prepared high-performance and broad-band foam cement absorbing panel for electromagnetic pollution control. The result shows, with the use of double-matching design that combines 140 Ω/□ resistive film with foam cement absorbing panel whose each layer thickness is 1.4 cm, in the S band , 100% of bandwidth below-10 dB and 95% of bandwidth below-14 dB can be reached, a maximum absorption of-19.6 dB at 2.45 GHz, the width of the absorption is far more than that of λ/4 type absorber. New materials can be used for the improvement of indoor electromagnetic environment and pollution control.