Title:
An ultra-small cavity resonator loaded with LHM and RHM layers
Author(s):
F.-Y. Meng, Q.Wu,J.Wu, L.-W. Li
Source:
Applied Physics A
Vol./Issue/Date:
87, (2007)
Year:
2007
Page(s):
329–333
Keywords:
Abstract:
In this paper, an ultra-small cavity resonator
(USCR) loaded with left-handed metamaterial (LHM) and
right-handed material (RHM) layers is designed using a novel
miniaturization approach. The resonant behavior is successfully
observed, and the dimensions of the USCR are only
4.58 mm×5.08 mm×2.29 mm at the dominant resonance frequency
of 10.3 GHz. Through the field distribution calculation,
we confirmed that the miniaturization of the USCR arises from
the left-handed property of the LHM. For a practical application,
a miniaturized filter with overall length of 10.19 mm
consisting of two USCRs is designed to confirm the frequencyselective
characteristics. Results show that the filter has some
narrow pass bands, which correspond to the resonant modes of
the electromagnetic resonance in the USCR, and the insertion
loss at the dominant resonance frequency of the USCR is as low
as 0.65 dB. Moreover, the filtering characteristics of the filter
can be controlled by changing its feeding loop positions in the
USCR.
Document:
Reference Id:
286
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