Title:
Broadband characteristics investigation of waves in a left-handed miniaturized waveguide loaded with ISRRs
Author(s):
Q. Wu, F.-Y. Meng, J. Wu, L.-W.Li
Source:
Applied Physics A
Vol./Issue/Date:
87, (2007)
Year:
2007
Page(s):
305–308
Keywords:
Abstract:
In this paper, broadband transmission characteristics
of waves in a left-handed miniaturised rectangular waveguide
(LHMRW) loaded with improved split ring resonators
(ISRRs), which shows that the bandwidth of negative permeability
is up to 5.6 GHz by an optimization design, are investigated.
Some unexpected phenomena such as the discontinuous
left-handed passband below the cutoff frequency of the dominant
TE mode, which cannot be transformed into a continuous
one by any impedance matching approach, are observed. The
EM field distributions in the LHMRWare calculated so as to explain
these phenomena. Results show that the LHMRW can be
considered as an open ended resonant cavity instead of a normal
transmission structure. In addition, the backward wave inside
the time domain in the LHMRWis directly observed.
Document:
Reference Id:
287
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