Effective medium characterization of partially-filled rectangular waveguides
- Authors
- Kim, Kyoung-Ho; Park, Q-Han
- Issue Date
- 3월-2014
- Publisher
- KOREAN PHYSICAL SOC
- Keywords
- Effective medium; Rectangular waveguide
- Citation
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.64, no.6, pp.771 - 774
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY
- Volume
- 64
- Number
- 6
- Start Page
- 771
- End Page
- 774
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/99098
- DOI
- 10.3938/jkps.64.771
- ISSN
- 0374-4884
- Abstract
- A single-mode waveguide, partially filled with dielectric materials, is an important case of a metamaterial. Here, we report an effective medium characterization of partially-filled waveguides by using the image dipole method and obtain an explicit expression for the effective permittivity. We also confirm experimentally that an electromagnetic wave propagating through a partially-filled waveguides has the same reflection and transmission characteristics as a wave propagating through a medium possessing an effective permittivity. In particular, we apply our method to the quarterwave anti-reflection structure and show that our method is suitable for designing wave-filter devices inside a rectangular waveguide.
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