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Broadband left-handed rectangular waveguide using a shorted stub and twisted E-plane posts
- Authors
- Kim, Dong-Jin; Lee, Jeong-Hae
- Issue Date
- Apr-2013
- Publisher
- WILEY
- Keywords
- left-handed transmission line; metamaterials; waveguide
- Citation
- MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, v.55, no.4, pp.835 - 840
- Journal Title
- MICROWAVE AND OPTICAL TECHNOLOGY LETTERS
- Volume
- 55
- Number
- 4
- Start Page
- 835
- End Page
- 840
- ISSN
- 0895-2477
- Abstract
- A broadband left-handed (LH) waveguide operating above the cutoff frequency is presented. The unit cell consists of one-shorted stub and two-twisted posts. The structure induces double loops in the surface currents, resulting in enhanced inductance which broadens the negative permeability region. To analyze the LH properties of the structure, a 2-port network cross-connected equivalent circuit is derived. The measured results of the LH waveguide constructed with five unit cells in an X-band are in good agreement with simulated data and show a good transmission property as well as a broad LH fractional bandwidth of 26.5%. (c) 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 55:835840, 2013; View this article online at wileyonlinelibrary.com. DOI: 10.1002/mop.27419
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Related Researcher
- Lee, Jeong Hae
- Engineering (Electronic & Electrical Engineering)