一种新型红外频率选择表面
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摘要
为实现在中、远红外两个大气窗口的低透过率,设计了一种基于六边形环状结构的双屏红外频率选择表面,利用CST电磁软件进行仿真分析,发现该频率选择表面在3～5?m和8～15?m两个波段内的平均透过率低于0.025,实现了红外波段的双阻带;采用等效表面阻抗和表面电流法分析了该频率选择表面的滤波机理,发现不同极值点处由于屏间耦合或屏内单元间的耦合在谐振单元表面感应出对称分布的电流从而使散射总场增强,形成增强型反射,即比较理想的红外光阻带;最后研究了电磁波的入射角度、极化方式以及介质层的厚度对频率选择表面传输特性的影响。
In order to get low transmittance in both the mid-infrared and far-infrared atmospheric windows, a novel double-screen infrared frequency selective surface based on the hexagonal ring structure was designed. Simulation analysis using CST electromagnetic software showed that the average transmittance of the frequency selective surface in the two atmospheric windows(3-5 ?m and 8-15 ?m) for normal incidence waves is suppressed under 0.025, so that the dual stop-band of the infrared waveband was realized. Next, this paper researched the filtering mechanism of the frequency selective surface based on the effective surface impedance and the surface current. From this, it can be easily found that due to the coupling between screens or coupling between units in a screen, symmetrical distribution of the induced current enhances the total scattering filed, thus forming the enhanced reflection, namely the ideal infrared stop-bands. This paper analyzes the effect of electromagnetic wave incident angle, polarization mode, and the thickness of dielectric layer on the transmission properties of the frequency selective surface.
In order to get low transmittance in both the mid-infrared and far-infrared atmospheric windows, a novel double-screen infrared frequency selective surface based on the hexagonal ring structure was designed. Simulation analysis using CST electromagnetic software showed that the average transmittance of the frequency selective surface in the two atmospheric windows(3-5 ?m and 8-15 ?m) for normal incidence waves is suppressed under 0.025, so that the dual stop-band of the infrared waveband was realized. Next, this paper researched the filtering mechanism of the frequency selective surface based on the effective surface impedance and the surface current. From this, it can be easily found that due to the coupling between screens or coupling between units in a screen, symmetrical distribution of the induced current enhances the total scattering filed, thus forming the enhanced reflection, namely the ideal infrared stop-bands. This paper analyzes the effect of electromagnetic wave incident angle, polarization mode, and the thickness of dielectric layer on the transmission properties of the frequency selective surface.
引文
[1]付伟.红外隐身原理及其应用技术[J].红外与激光工程,2002,31(1):88-93.FU Wei.Principle and application technology of IR stealth[J].Infrared and Laser Engineering,2002,31(1):88-93.
[2]李波.红外隐身技术的应用及发展趋势[J].中国光学,2013,6(6):818-823.LI Bo.Application and development trend of infrared stealth technology[J].Chinese Optics,2013,6(6):818-823.
[3]Munk B A.Frequency Selective Surface:Theory and Design[M].New York:Wiley,2000.
[4]Behdad N,Mudar A J,Salehi M.A low-profile third-order bandpass frequency selective surface[J].IEEE Transactions on Antennas and Propagation,2009,57(2):460-466.
[5]Sarabandi K,Behdad N.A Frequency selective surface with Miniaturized Elements[J].IEEE Transactions on Antennas and Propagation,2007,55(5):123951244.
[6]吴翔,裴志斌,屈绍波,等.双阻带小型化频率选择表面的设计[J].空军工程大学学报:自然科学版,2011,12(2):86-89.WU Xiang,PEI Zhibin,QU Shaobo,et al.The Design of Dual Stop-band Miniaturized Frequency Selective Surface[J].Journal of Air Force Engineering University:Natural Science Edition,2011,12(2):86-89.
[7]卢俊,张靓,孙连春.Y形和Y环形单元特性的实验对比研究[J].光学精密工程,2005,13(2):219-224.LU Jun,ZHANG Jing,SUN Lianchun.Experimental comparison of the characteristics of Y element and Y loop element[J].Optics and Precision Engineering,2005,13(2):219-224.
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[9]随赛,常红伟,马华,等.基于电阻型频率选择表面吸波体的低雷达散射截面微带天线设计[J].空军工程大学学报:自然科学版,2016,17(1):46-50.SUI Sai,CHANG Hongwei,MA Hua,et al.A Design of Meta-material Absorber Based on Topology Optimization of Low-RCS Microstrip Antenna with Resistance Frequency Selective Surface[J].Journal of Air Force Engineering University:Natural Science Edition,2016,17(1):46-50.
[10]穆鑫,王斌科,田昌会,等.周期性结构对远红外辐射特性抑制分析[J].激光与红外,2016,46(9):1091-1095.MU Xin,WANG Binke,TIAN Changhui,et al.Suppression analysis of periodic structure on radiation characteristics in far infrared[J].Laser&Infrared,2016,46(9):1091-1095.
[11]车志新,田昌会,王斌科,等.一种双阻带红外频率选择表面[J].红外技术,2017,39(7):594-598.CHE Zhixin,TIAN Changhui,WANG Binke,et al.An Infrared Frequency Selective Surface with Dual Stopband[J].Infrared Technology,2017,39(7):594-598.
[12]李文胜,张琴,付艳华,等.一种基于光子晶体结构的军用车辆红外隐身涂层的设计[J].红外与激光工程,2015,44(11):3299-3303.LI Wensheng,ZHANG Qin,FU Yanhua,et al.Design of infrared stealth coating of military vehicle based on photonic crystal[J].Infrared and Laser Engineering,2015,44(11):3299-3303.
[13]MA Wei,WEN Yongzheng,YU Xiaomei.Broadband metamaterial absorber at mid-infrared using multiplexed cross resonators[J].Optics Express,2013,21(25):30724-30730.
[14]Smith D R,Schultz S,Markos P,et al.Determination of effective permittivity and permeability of metamaterials from reflection and transmission coefficients[J].Physical Review B,2002,65(19):195104.
[15]Jacobsen K W,Norskov J K,Puska M J.Interatomic interactions in the effective-medium theory[J].Physical Review B Condensed Matter,1987,35(14):7423-7442.
[2]李波.红外隐身技术的应用及发展趋势[J].中国光学,2013,6(6):818-823.LI Bo.Application and development trend of infrared stealth technology[J].Chinese Optics,2013,6(6):818-823.
[3]Munk B A.Frequency Selective Surface:Theory and Design[M].New York:Wiley,2000.
[4]Behdad N,Mudar A J,Salehi M.A low-profile third-order bandpass frequency selective surface[J].IEEE Transactions on Antennas and Propagation,2009,57(2):460-466.
[5]Sarabandi K,Behdad N.A Frequency selective surface with Miniaturized Elements[J].IEEE Transactions on Antennas and Propagation,2007,55(5):123951244.
[6]吴翔,裴志斌,屈绍波,等.双阻带小型化频率选择表面的设计[J].空军工程大学学报:自然科学版,2011,12(2):86-89.WU Xiang,PEI Zhibin,QU Shaobo,et al.The Design of Dual Stop-band Miniaturized Frequency Selective Surface[J].Journal of Air Force Engineering University:Natural Science Edition,2011,12(2):86-89.
[7]卢俊,张靓,孙连春.Y形和Y环形单元特性的实验对比研究[J].光学精密工程,2005,13(2):219-224.LU Jun,ZHANG Jing,SUN Lianchun.Experimental comparison of the characteristics of Y element and Y loop element[J].Optics and Precision Engineering,2005,13(2):219-224.
[8]孙连春.频率选择表面技术在导弹电子战中的应用[J].电子对抗,2002,2(46):1-3.SUN Lianchun.Application of frequency selective surface technology in missile electronic warfare[J].Electromagnetic Countermeasure,2002,2(46):1-3.
[9]随赛,常红伟,马华,等.基于电阻型频率选择表面吸波体的低雷达散射截面微带天线设计[J].空军工程大学学报:自然科学版,2016,17(1):46-50.SUI Sai,CHANG Hongwei,MA Hua,et al.A Design of Meta-material Absorber Based on Topology Optimization of Low-RCS Microstrip Antenna with Resistance Frequency Selective Surface[J].Journal of Air Force Engineering University:Natural Science Edition,2016,17(1):46-50.
[10]穆鑫,王斌科,田昌会,等.周期性结构对远红外辐射特性抑制分析[J].激光与红外,2016,46(9):1091-1095.MU Xin,WANG Binke,TIAN Changhui,et al.Suppression analysis of periodic structure on radiation characteristics in far infrared[J].Laser&Infrared,2016,46(9):1091-1095.
[11]车志新,田昌会,王斌科,等.一种双阻带红外频率选择表面[J].红外技术,2017,39(7):594-598.CHE Zhixin,TIAN Changhui,WANG Binke,et al.An Infrared Frequency Selective Surface with Dual Stopband[J].Infrared Technology,2017,39(7):594-598.
[12]李文胜,张琴,付艳华,等.一种基于光子晶体结构的军用车辆红外隐身涂层的设计[J].红外与激光工程,2015,44(11):3299-3303.LI Wensheng,ZHANG Qin,FU Yanhua,et al.Design of infrared stealth coating of military vehicle based on photonic crystal[J].Infrared and Laser Engineering,2015,44(11):3299-3303.
[13]MA Wei,WEN Yongzheng,YU Xiaomei.Broadband metamaterial absorber at mid-infrared using multiplexed cross resonators[J].Optics Express,2013,21(25):30724-30730.
[14]Smith D R,Schultz S,Markos P,et al.Determination of effective permittivity and permeability of metamaterials from reflection and transmission coefficients[J].Physical Review B,2002,65(19):195104.
[15]Jacobsen K W,Norskov J K,Puska M J.Interatomic interactions in the effective-medium theory[J].Physical Review B Condensed Matter,1987,35(14):7423-7442.