Two-dimensional displacement and alignment sensor based on reflection coefficients of open microstrip lines loaded with split ring resonators
Karami-Horestani, Ali (University of Adelaide (Adelaide, Austràlia). School of Electrical & Electronic Engineering)
Naqui Garolera, Jordi (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
Abbott, Derek (University of Adelaide (Adelaide, Austràlia). School of Electrical & Electronic Engineering)
Fumeaux, Cristophe (University of Adelaide (Adelaide, Austràlia). School of Electrical & Electronic Engineering)
Martín, Ferran, (Martín Antolín)
(Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
Fecha: |
2014 |
Resumen: |
A two-dimensional displacement and alignment sensor is proposed based on two open-ended transmission lines, each loaded with a split ring resonator (SRR). In this arrangement, the depth of resonance-induced notches in the reflection coefficients can be used to sense a displacement of the loading SRRs in two orthogonal directions. Since the operation principle of the sensor is based on the symmetry properties of SRR-loaded transmission lines, the proposed sensor benefits from immunity to variations in ambient conditions. More importantly, it is shown that in contrast to previously published metamaterial-inspired two-dimensional displacement and alignment sensors, the proposed sensor can be operated at a single fixed frequency. The concept and simulation results are validated through measurement. |
Derechos: |
Tots els drets reservats. |
Lengua: |
Anglès |
Documento: |
Article ; recerca ; Versió acceptada per publicar |
Materia: |
Split ring resonators |
Publicado en: |
Electronics letters, Vol. 50, no. 8 (April 2014) , p. 620-622, ISSN 0013-5194 |
DOI: 10.1049/el.2014.0572
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