Effects of the variation of the dielectric constant for a periodic, width-modulated microstrip line based sensor

Author

Matekovits, Ladislau ; Peter, Ildiko ; Podilchak, Symon K. ; Freundorfer, Alois P. ; Esselle, Karu ; Antar, Yahia M M

Author_Institution

Dept. of Elettronics, Politec. di Torino, Torino, Italy

fYear

2010

fDate

11-17 July 2010

Firstpage

1

Lastpage

4

Abstract

In this paper, the possibility of employing a microstrip based technology periodic structure for the purpose of low cost sensing is discussed. The CAD model for the purposed device is discussed. Moreover, the electromagnetic response of such a fixed-geometry passive structure can vary when the characteristics of a single layer or several layers fluctuate due an external stimulus. For example, by observing the antenna response due to a variation in the covering of a single rectangular patch antenna the physical, chemical and/or mechanical variations within a given environment can be monitored. Similar concepts and observation techniques are purposed for the investigated structure by monitoring the change in reflection losses or other antenna characteristics.

Keywords

CAD; electric sensing devices; microstrip antennas; microstrip lines; periodic structures; permittivity; CAD model; dielectric constant variation; fixed-geometry passive structure; microstrip based technology periodic structure; periodic sensor; single rectangular patch antenna; width-modulated microstrip line based sensor; Dielectric constant; Geometry; Microstrip; Monitoring; Periodic structures; Surface waves;

fLanguage

English

Publisher

ieee

Conference_Titel

Antennas and Propagation Society International Symposium (APSURSI), 2010 IEEE

Conference_Location

Toronto, ON

ISSN

1522-3965

Print_ISBN

978-1-4244-4967-5

Type

conf

DOI

10.1109/APS.2010.5561043

Filename

5561043