Effective surface impedance for a superconductor-semiconductor superlattice at mid-infrared frequency

C. J. Wu, Y. L. Chen, Y. S. Tsai

研究成果: 雜誌貢獻文章

7 引文 斯高帕斯(Scopus)

摘要

The effective surface impedance for a superconductor-semiconductor superlattice at mid-infrared frequency is calculated based on the transfer matrix method together with the enhanced two-fluid model for the high-temperature superconductor. We first investigate the effective surface resistance and surface reactance in the case of normal incidence. We find that there is a critical thickness for superconductor film such that a minimum loss is attained. We next study the effective surface impedance under the oblique incidence. The calculated effective surface impedance indicates that the angle-dependent feature is only seen for the single period. However, it does not rely on the number of periods when the period is greater than two and, in the meantime, the surface resistance is nearly unchanged as a function of the angle of incidence.

原文英語
頁(從 - 到)1441-1453
頁數13
期刊Journal of Electromagnetic Waves and Applications
23
發行號11-12
DOIs
出版狀態已發佈 - 2009 十二月 1

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Physics and Astronomy(all)
  • Electrical and Electronic Engineering

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