Artificially Integrated Synthetic Rectangular Waveguide
Resource
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, VOL. 53, NO. 9, SEPTEMBER 2005
Journal
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
Journal Volume
VOL. 53
Journal Issue
NO. 9
Pages
-
Date Issued
2005-09
Date
2005-09
Author(s)
Wu, Hsien-Shun
Tzuang, Ching-Kuang
DOI
246246/200611150121850
Abstract
A synthetic rectangular waveguide (SRW), which
consists of two electrical sidewalls and two parallel periodical
structures placed at the top and bottom surfaces of the waveguide,
is presented. The SRW is made by multilayered integrated circuit
processes, which typically have large ratios of SRW lateral
dimensions to substrate thickness. Two theoretical methods,
finite-element method and deembedding of composite structure
consisting of SRW and mode converters, are applied to investigate
the propagation characteristics of the SRW. Application of
the dispersion characteristics of the two-dimensional periodical
structures coupled with appropriate mode converter designs leads
to results in SRW designs supporting TE10, TM00, and TM10
modes. Measurements and the two theoretical approaches indicate
that the slow-wave factor is 4.9 and -factor is 260 at 6.85 GHz
for the TE10 mode propagation with a cutoff frequency of 4.10
GHz (0.348 factor of cutoff frequency of conventional rectangular
waveguide using the same material and dimensions). The theoretical
data show the TM00 mode to have a slow-wave factor of 1.8,
-factor of 187.6 at 11.4 GHz, and cutoff frequency of 10.2 GHz.
The TM10 mode has a slow-wave factor of 1.98, -factor of 187.6
at 12.5 GHz, and cutoff frequency of 10.4 GHz.
Subjects
Microwave integrated circuit (MIC)
periodical
structure
structure
rectangular waveguide
slow-wave device
TE10
TM00
TM10
Publisher
Taipei:National Taiwan University Dept Chem Engn
Type
journal article
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