Next Article in Journal
NAVIS-An UGV Indoor Positioning System Using Laser Scan Matching for Large-Area Real-Time Applications
Next Article in Special Issue
Wireless Measurement of Elastic and Plastic Deformation by a Metamaterial-Based Sensor
Previous Article in Journal
Physiological Sensor Signals Classification for Healthcare Using Sensor Data Fusion and Case-Based Reasoning

Metallic Strip Gratings in the Sub-Subwavelength Regime

Nondestructive Testing Department, National Institute of R&D for Technical Physics, 47 D., Mangeron Blvd, 700050 Iasi, Romania
Faculty of Physics, Al.I.Cuza University, 11 Carol I Blvd, 700506 Iasi, Romania
CRISMAT Laboratory, National Graduate School of Engineering, University of Caen on Normandy, 6 Marechal Juin Blvd, Caen 14050, France
Author to whom correspondence should be addressed.
Sensors 2014, 14(7), 11786-11804;
Received: 16 May 2014 / Revised: 18 June 2014 / Accepted: 25 June 2014 / Published: 4 July 2014
(This article belongs to the Special Issue Metamaterial-Inspired Sensors)
Metallic strip gratings (MSG) have different applications, ranging from printed circuits to filters in microwave domains. When they are under the influence of an electromagnetic field, evanescent and/or abnormal modes appear in the region between the traces, their utilization leading to the development of new electromagnetic nondestructive evaluation methods. This paper studies the behavior of MSGs in the sub-subwavelength regime when they are excited with TEz or TMz polarized plane waves and the slits are filled with different dielectrics. The appearance of propagating, evanescent and abnormal modes is emphasized using an electromagnetic sensor with metamaterials lens realized with two conical Swiss rolls, which allows the extraction of the information carried by the guided evanescent waves. The evanescent waves, manipulated by the electromagnetic sensor with metamaterial lenses, improve the electromagnetic images so that a better spatial resolution is obtained, exceeding the limit imposed by diffraction. Their theoretical and experimental confirmation opens the perspective for development of new types of sensors working in radio and microwave frequencies. View Full-Text
Keywords: sub-subwavelength regime; sensors with metamaterials; metallic strip grating; evanescent modes sub-subwavelength regime; sensors with metamaterials; metallic strip grating; evanescent modes
Show Figures

MDPI and ACS Style

Savin, A.; Steigmann, R.; Bruma, A. Metallic Strip Gratings in the Sub-Subwavelength Regime. Sensors 2014, 14, 11786-11804.

AMA Style

Savin A, Steigmann R, Bruma A. Metallic Strip Gratings in the Sub-Subwavelength Regime. Sensors. 2014; 14(7):11786-11804.

Chicago/Turabian Style

Savin, Adriana, Rozina Steigmann, and Alina Bruma. 2014. "Metallic Strip Gratings in the Sub-Subwavelength Regime" Sensors 14, no. 7: 11786-11804.

Find Other Styles

Article Access Map by Country/Region

Only visits after 24 November 2015 are recorded.
Back to TopTop