CST – Computer Simulation Technology

PHASING OF A MICROSTRIP REFLECTARRAY USING MULTI - DIMENSIONAL SCALING OF ITS ELEMENTS

Title:
PHASING OF A MICROSTRIP REFLECTARRAY USING MULTI - DIMENSIONAL SCALING OF ITS ELEMENTS
Author(s):
K. H. Sayidmarie, M. E. Bialkowski
Source:
Progress In Electromagnetics Research B
Vol./Issue/Date:
Volume: 2, 2008
Year:
2008
Page(s):
125 - 136
Abstract:
The paper reports on investigations into new schemes for dimensional scaling of the elements of a microstrip reflectarray to obtain a slower slope of the reflected wave phase characteristic. First, the phase response as a function of various shape elements is investigated when only one of their dimensions is varied. Next investigations concern the case when two dimensions or features of the element are scaled in a certain manner simultaneously. In the latter case, it is shown that phase responses of lower slopes with a minimal range reduction can be obtained. The feasibility of this concept is illustrated for dipoles, rectangular patches, and square and circular rings. Comparisons of the obtained results show that twodimensionally scaled square and circular rings offer much better phase responses than those observed for dipoles and patches.
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