Skip navigation
Please use this identifier to cite or link to this item: http://repository.iitr.ac.in/handle/123456789/8403
Title: Investigations on fractal frequency selective diaphragms in rectangular waveguide
Authors: Ghosh B.
Sinha S.N.
Kartikeyan, Machavaram Venkata
Published in: International Journal of RF and Microwave Computer-Aided Engineering
Abstract: In this article, self-similarity and space-filling properties of fractal structures are explored as frequency selective diaphragms in rectangular waveguide, which can find applications in the design of compact, lightweight, and multiband waveguide filters with better out-of-band rejection ratio. Some self-affine fractal structures, based on Sierpinski gasket and plus shape fractals, are proposed, and the effect of scaling factor on the location of transmission bands is investigated. Self-similar structures like Hilbert curve, Koch curve, and Minkowski fractals are shown to be efficient in reducing resonant frequency of the diaphragm. Numerical results are presented along with the results obtained from HFSS, which show a good agreement. A typical application of the fractal diaphragm in the design of waveguide bandstop filter has also been demonstrated. © 2009 Wiley Periodicals, Inc.
Citation: International Journal of RF and Microwave Computer-Aided Engineering (2010), 20(2): 209-219
URI: https://doi.org/10.1002/mmce.20423
http://repository.iitr.ac.in/handle/123456789/8403
Issue Date: 2010
Keywords: Fractals
Frequency selective surface
Method of moment
Waveguide diaphragm
ISSN: 10964290
Author Scopus IDs: 56216728300
7403739821
6603631347
Author Affiliations: Ghosh, B., Department of Electronics and Computer Engineering, Indian Institute of Technology Roorkee, Roorkee 247667, India
Sinha, S.N., Department of Electronics and Computer Engineering, Indian Institute of Technology Roorkee, Roorkee 247667, India
Kartikeyan, M.V., Department of Electronics and Computer Engineering, Indian Institute of Technology Roorkee, Roorkee 247667, India
Corresponding Author: Ghosh, B.; Department of Electronics and Computer Engineering, Indian Institute of Technology Roorkee, Roorkee 247667, India; email: basuiitr@gmail.com
Appears in Collections:Journal Publications [ECE]

Files in This Item:
There are no files associated with this item.
Show full item record


Items in Repository are protected by copyright, with all rights reserved, unless otherwise indicated.