双频带电磁超材料单元设计及仿真
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摘要
该文基于谐振型左手理论,提出一种将2种不同的多开口谐振环左手结构单元分别印刷在介质板的正、反面,这种复合结构实现了双频带左手特性。在微波频率范围内采用等效参数(NRW)提取算法,验证了该多开口谐振环的复合结构能实现负的介电常数和磁导率,同时采用LC谐振电路进行分析并解释其产生的机理。数值和仿真结果表明,存在2个介电常数、磁导率和折射率的实部都为负的频带。其负频带频率范围分别为16.5～18.96GHz和22.8～24GHz,负双频带带宽为3.66GHz。由于其带宽性能良好的双负特性,可用于多频带或宽带微波器件的设计。
Based on the resonant left-handed theory,this paper proposes to print the left-hand structural units two different multi-opening resonant ring on the front and back sides of the dielectric plate.This composite structure realizes dual-band left-hand characteristics.And the equivalent parameter(NRW)extraction algorithm is used in the microwave frequency range to verify that the composite structure of the multi-open resonant ring can realize negative dielectric constant and magnetic permeability.At the same time,the LC resonant circuit is used to analyze and explain the mechanism.The numerical and the simulation results show that there are two dielectric constants;the magnetic permeability and the real part of the refractive index are all negative bands.The frequency rangeof the negative frequency band is 16.5～18.96 GHz,22.8～24 GHz,the bandwidth of the negative double band is 3.66 GHz.Because of its high bandwidth performance of the dual negative characteristics,it can be used in the design of multiband or broadband microwave devices.
Based on the resonant left-handed theory,this paper proposes to print the left-hand structural units two different multi-opening resonant ring on the front and back sides of the dielectric plate.This composite structure realizes dual-band left-hand characteristics.And the equivalent parameter(NRW)extraction algorithm is used in the microwave frequency range to verify that the composite structure of the multi-open resonant ring can realize negative dielectric constant and magnetic permeability.At the same time,the LC resonant circuit is used to analyze and explain the mechanism.The numerical and the simulation results show that there are two dielectric constants;the magnetic permeability and the real part of the refractive index are all negative bands.The frequency rangeof the negative frequency band is 16.5～18.96 GHz,22.8～24 GHz,the bandwidth of the negative double band is 3.66 GHz.Because of its high bandwidth performance of the dual negative characteristics,it can be used in the design of multiband or broadband microwave devices.
引文
[1] PENDRY J B.Negative refraction makes a perfect lens[J].Phys Rev Lett,2000,85(18):3966-3969.
[2] VESELAGO V G.Reviews of topical problems:the electrodynamics of substances with simultaneously negative values of\epsilon andμ[J].Physics-Uspekhi,1968,10(4):509.
[3] KRAFTMAKHER G A,BUTYLKIN V S.A composite medium with simultaneously negative permittivity and permeability[J].Technical Physics Letters,2003,29(3):230-232.
[4]刘亚红,罗春荣,赵晓鹏.同时实现介电常数和磁导率为负的H型结构单元左手材料[J].物理学报,2007,56(10):5883-5889.
[5]田子建,陈文超,樊京.基于双Σ形金属条的双向左手材料[J].物理学报,2013,62(7):207-211.
[6]王海侠,杨晨,吕英华,等.工字开口环型左手单元结构设计与分析[J].滨州学院学报,2010,26(6):52-55.
[7] LIN I H,DEVICENTIS M,CALOZ C,et al.Arbitrary dual-band components using composite right/left-handed transmission lines[J].IEEE Transactions on Microwave Theory and Techniques,2004,52(4):1142-1149.
[8] CHEN H,RAN L,HUANGFU J,et al.Metamaterial exhibiting left-handed properties over multiple frequency bands[J].J Appl Phys,2004,96(9):5338-5340.
[9] ELEFTHERIADES G V.A generalized negative-refractive-index transmission-line metamaterial for dualband and quad-band applications[J].IEEE Microwave and Wireless Components Letters,2007,17(6):415-417.
[10]杨怀,王春华,郭小蓉.基于正六边形多开口的新型双频带左手材料[J].物理学报,2014,63(1):127-133.YAN H,WANG C H,GUO X R.A novel dual-band left-handed metamaterials composedof multi-defects hexagonal structure[J].Acta Phys Sin,2014,63(1):127-133.
[11]常慧,张玉强.含目标复杂介质瞬态电磁反射特性数值分析[J].重庆理工大学学报(自然科学),2016(6):143-147.CHANG Hui,ZHANG Yuqiang.Numerical analysis of transient electromagnetic reflection characteristics on complex media containing target[J].Journal of Chongqing University of Technology(Natural Science),2016(6):143-147.
[12]SMITH D R,VIER D C,KOSCHNY T,et al.Electromagnetic parameter retrieval from inhomogeneous metamaterials[J].Physical Review E Statistical Nonlinear&Soft Matter Physics,2005,71(3 Pt 2B):036617.
[13]ZIOLKOWSKI R W,KIPPLE A D.Application of double negative materials to increase the power radiated by electrically small antennas[J].IEEE Transactions on Antennas&Propagation,2003,51(10):2626-2640.
[14]SZABO Z,PARK G H,HEDGE R,et al.A unique extraction of metamaterial parameters based on Kramers-Kronig relationship[J].IEEE Transactions on Microwave Theory&Techniques,2010,58(10):2646-2653.
[2] VESELAGO V G.Reviews of topical problems:the electrodynamics of substances with simultaneously negative values of\epsilon andμ[J].Physics-Uspekhi,1968,10(4):509.
[3] KRAFTMAKHER G A,BUTYLKIN V S.A composite medium with simultaneously negative permittivity and permeability[J].Technical Physics Letters,2003,29(3):230-232.
[4]刘亚红,罗春荣,赵晓鹏.同时实现介电常数和磁导率为负的H型结构单元左手材料[J].物理学报,2007,56(10):5883-5889.
[5]田子建,陈文超,樊京.基于双Σ形金属条的双向左手材料[J].物理学报,2013,62(7):207-211.
[6]王海侠,杨晨,吕英华,等.工字开口环型左手单元结构设计与分析[J].滨州学院学报,2010,26(6):52-55.
[7] LIN I H,DEVICENTIS M,CALOZ C,et al.Arbitrary dual-band components using composite right/left-handed transmission lines[J].IEEE Transactions on Microwave Theory and Techniques,2004,52(4):1142-1149.
[8] CHEN H,RAN L,HUANGFU J,et al.Metamaterial exhibiting left-handed properties over multiple frequency bands[J].J Appl Phys,2004,96(9):5338-5340.
[9] ELEFTHERIADES G V.A generalized negative-refractive-index transmission-line metamaterial for dualband and quad-band applications[J].IEEE Microwave and Wireless Components Letters,2007,17(6):415-417.
[10]杨怀,王春华,郭小蓉.基于正六边形多开口的新型双频带左手材料[J].物理学报,2014,63(1):127-133.YAN H,WANG C H,GUO X R.A novel dual-band left-handed metamaterials composedof multi-defects hexagonal structure[J].Acta Phys Sin,2014,63(1):127-133.
[11]常慧,张玉强.含目标复杂介质瞬态电磁反射特性数值分析[J].重庆理工大学学报(自然科学),2016(6):143-147.CHANG Hui,ZHANG Yuqiang.Numerical analysis of transient electromagnetic reflection characteristics on complex media containing target[J].Journal of Chongqing University of Technology(Natural Science),2016(6):143-147.
[12]SMITH D R,VIER D C,KOSCHNY T,et al.Electromagnetic parameter retrieval from inhomogeneous metamaterials[J].Physical Review E Statistical Nonlinear&Soft Matter Physics,2005,71(3 Pt 2B):036617.
[13]ZIOLKOWSKI R W,KIPPLE A D.Application of double negative materials to increase the power radiated by electrically small antennas[J].IEEE Transactions on Antennas&Propagation,2003,51(10):2626-2640.
[14]SZABO Z,PARK G H,HEDGE R,et al.A unique extraction of metamaterial parameters based on Kramers-Kronig relationship[J].IEEE Transactions on Microwave Theory&Techniques,2010,58(10):2646-2653.