Adding metallic layers outside terahertz antiresonant reflecting waveguides: The influence on loss spectra

Chih Hsien Lai, Ja Yu Lu, Hung Chun Chang

研究成果: Article同行評審

4 引文 斯高帕斯(Scopus)

摘要

Spectral effects of adding metallic layers outside the terahertz (THz) antiresonant reflecting hollow waveguides are investigated in this work. We first examine the one-dimensional case, i.e., the slab-type hollow waveguide. Numerical results indicate that, with metallic coating outside the dielectric claddings, the loss spectrum shifts half-period for the TE mode, but not for the TM mode. Then, we investigate the situation where the metallic layers are moveable off the claddings and calculate the amount of the spectral shift for the TE mode. Finally, the twodimensional cylindrical hollow waveguide, i.e., the recently proposed THz pipe waveguide, with metallic coating is inspected. It is found that the loss spectrum of the TE01 mode shifts half-period and that of the TM01 mode remains unmoved; while for the HE11 and HE21 modes, their periods become half of the original ones owing to the hybrid-mode nature.

原文English
頁(從 - 到)2200-2206
頁數7
期刊Journal of the Optical Society of America B: Optical Physics
28
發行號9
DOIs
出版狀態Published - 2011 九月

All Science Journal Classification (ASJC) codes

  • Statistical and Nonlinear Physics
  • Atomic and Molecular Physics, and Optics

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