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首页> 外文期刊>Physics of plasmas >Multichannel tunable filter properties of 1D magnetized ternary plasma photonic crystal in the presence of evanescent wave
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Multichannel tunable filter properties of 1D magnetized ternary plasma photonic crystal in the presence of evanescent wave

机译:渐逝波存在的1D磁化三元等离子光子晶体的多通道可调滤波器特性

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The multichannel tunable filter properties of one-dimensional ternary plasma photonic crystal composed of magnetized plasma and lossless dielectric have been theoretically investigated using transfer matrix method in the microwave region. The proposed filters possess 2N - 2 comb-like sharp resonant peaks also called transmission channels for N > 1 in transmission spectra in the absence and presence of an external magnetic field. Due to the coupling between evanescent waves and propagating modes in plasma and dielectric layers, respectively, 2N - 2 transmission channels are found without the addition of any defect, enabling the structure to work as a multichannel filter. Next, the filter properties can be made tunable by the application of an external magnetic field, i.e., channel frequency can either be red or blue shifted depending upon the orientation of an external magnetic field. The number of channels and their positions can also be modulated by changing the number of periods (N) and the incident angle (theta(o)), respectively, for both transverse electric (TE) and transverse magnetic (TM) modes besides other parameters such as plasma collision frequency, thickness of the plasma layer, plasma frequency, etc. Published by AIP Publishing.
机译:组成一维三元等离子体光子晶体的多通道可调谐滤波器特性磁化等离子体和无损电介质在使用传递矩阵法在微波区域被理论研究。所提出的滤波器具有2N - 2梳状尖锐谐振峰值也被称为为N> 1的传输信道在外部磁场的不存在和存在的透射光谱。由于渐逝波和在血浆中和电介质层传播模式之间的耦合,分别,2N - 2个传输信道被发现不加入任何缺陷,使结构工作作为多信道滤波器。接着,将过滤器性能可以通过外部磁场的应用进行调谐的,即,信道频率可以是红色或根据外部磁场的方向蓝移。信道和它们的位置的数量也可以通过分别改变周期(N)(希塔(O)),数量和入射角,对于两个横向电(TE)和除了其他参数横磁(TM)模式调制如等离子体碰撞频率,等离子体层的厚度,等离子体频率等出版AIP出版。

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