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Alignment and Position Sensors Based on Split Ring Resonators
CIMITEC, Departament d’Enginyeria Electrònica, Universitat Autònoma de Barcelona, 08193 Bellaterra (Barcelona), Spain
* Author to whom correspondence should be addressed.
Received: 10 July 2012; in revised form: 16 August 2012 / Accepted: 20 August 2012 / Published: 29 August 2012
Abstract: In this paper compact alignment and position sensors based on coplanar waveguide (CPW) transmission lines loaded with split ring resonators (SRRs) are proposed. The structure consists of a folded CPW loaded with two SRRs tuned at different frequencies to detect both the lack of alignment and the two-dimensional linear displacement magnitude. Two additional resonators (also tuned at different frequencies) are used to detect the displacement direction. The working principle for this type of sensor is explained in detail, and a prototype device to illustrate the potential of the approach has been designed and fabricated.
Keywords: split ring resonators; coplanar waveguide; alignment sensors; position sensors
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Cite This Article
MDPI and ACS Style
Naqui, J.; Durán-Sindreu, M.; Martín, F. Alignment and Position Sensors Based on Split Ring Resonators. Sensors 2012, 12, 11790-11797.
Naqui J, Durán-Sindreu M, Martín F. Alignment and Position Sensors Based on Split Ring Resonators. Sensors. 2012; 12(9):11790-11797.
Naqui, Jordi; Durán-Sindreu, Miguel; Martín, Ferran. 2012. "Alignment and Position Sensors Based on Split Ring Resonators." Sensors 12, no. 9: 11790-11797.