中国邮电高校学报(英文)

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Design and analysis of quantized controllable doped left-handed materials

张洪欣   

  1. School of Electronic Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China 2. Beijing National Railway Research and Design Institute of Signal and Communication, Beijing 100073, China 3. College of Electronic Information and Automation, Chongqing University of Technology, Chongqing 400054, China
  • 收稿日期:2010-09-06 修回日期:2011-02-21 出版日期:2011-06-30 发布日期:2011-06-13
  • 通讯作者: 张洪欣 E-mail:hongxinzhang@263.net
  • 基金资助:

    国家自然科学基金“异构IP网络中基于多目标决策理论的资源优化技术研究”

Design and analysis of quantized controllable doped left-handed materials

Hong-Xin ZHANG   

  1. School of Electronic Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China 2. Beijing National Railway Research and Design Institute of Signal and Communication, Beijing 100073, China 3. College of Electronic Information and Automation, Chongqing University of Technology, Chongqing 400054, China
  • Received:2010-09-06 Revised:2011-02-21 Online:2011-06-30 Published:2011-06-13
  • Contact: Hong-Xin ZHANG E-mail:hongxinzhang@263.net

摘要:

Two kinds of controllable doped left-handed materials (DLHMs) were designed by inserting inductors and capacitors into the traditional left-handed material (LHM) as heterogeneous elements respectively, which are DLHM with inductors (LDLHM) and DLHM with capacitors (CDLHM). The characteristics of transmission spectrum were studied by using finite-difference time-domain method (FDTD). Compared with the traditional LHM, the resonance strength of the LDLHM is weakened and the pass-band is narrowed, but with the increase of the value of the inserted inductors, the bandwidth is expanded. As capacitors inserted into the LHM, the pass-band of the CDLHM is expanded, but the pass-band is shifted to low frequency and the bandwidth is narrowed with the increase of the value of the capacitors, meanwhile, a new generated pass-band is also shifted to low frequency. Therefore, a quantized controllable doped left-handed material can be achieved.

关键词:

electromagnetics, left-handed material, pass-band, capacitors, inductors

Abstract:

Two kinds of controllable doped left-handed materials (DLHMs) were designed by inserting inductors and capacitors into the traditional left-handed material (LHM) as heterogeneous elements respectively, which are DLHM with inductors (LDLHM) and DLHM with capacitors (CDLHM). The characteristics of transmission spectrum were studied by using finite-difference time-domain method (FDTD). Compared with the traditional LHM, the resonance strength of the LDLHM is weakened and the pass-band is narrowed, but with the increase of the value of the inserted inductors, the bandwidth is expanded. As capacitors inserted into the LHM, the pass-band of the CDLHM is expanded, but the pass-band is shifted to low frequency and the bandwidth is narrowed with the increase of the value of the capacitors, meanwhile, a new generated pass-band is also shifted to low frequency. Therefore, a quantized controllable doped left-handed material can be achieved.

Key words:

electromagnetics, left-handed material, pass-band, capacitors, inductors

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