International Journal of Terahertz Science and Technology
  TST >> Vol.2, No.1, March 2009: PP. 23-30
 

Electric and Magnetic Responses from Metamaterial Unit Cells at Terahertz

Wen Xuan Tang, Qiang Cheng, and Tie Jun Cui *
State Key Laboratory of Millimeter Waves
Institute of Target Characteristics and Identification
School of Information Science and Engineering, Southeast University
Nanjing, 210096, China
* Email: tjcui@seu.edu.cn

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Abstract: Metamaterials are artificial media with novel electromagnetic properties. We study the metamaterial unit cells at terahertz frequencies, investigate their electric and magnetic responses to the incident wave, and retrieve their effective material parameters. Simulation results reveal the origins of the effective permittivity and permeability and prove the predicted responses persuasively. In addition, we prove that symmetric resonant structures exhibit purer resonance properties than the asymmetric ones exhibit purer resonance than the asymmetric ones.

Keywords: Metamaterials, Terahertz, Electric and magnetic responses.

Published: 2009-03-31

Acknowledgments: This work was supported in part by the National Science Foundation of China under Grant Nos. 60871016, 60671015, 60601002, and 60621002, in part by the Natural Science Foundation of Jiangsu Province under Grant No. BK2008031, in part by the National Basic Research Program (973) of China under Grant No. 2004CB719802, and in part by the 111 Project under Grant No. 111-2-05.

Cite this article:
Wen Xuan Tang, Qiang Cheng, and Tie Jun Cui. Electric and Magnetic Responses from Metamaterial Unit Cells at Terahertz[J]. International Journal of Terahertz Science and Technology, 2009, Vol.2, No.1: 23-30.  DOI:10.11906/TST.023-030.2009.03.03

URL: http://www.tstnetwork.org/10.11906/TST.023-030.2009.03.03

 

 
 

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