Publications

This article presents a new approach to determining liquid concentration using a new microwave sensor and polarity correlator. The sensor design incorporates an annular ring resonator having inside three parallel lines, a trapezoid ground plane and...
This paper presents a dielectric characterization method based on transmitted power measurements in the microwave regime for non-dispersive materials. The method can retrieve the dielectric properties of materials utilizing multi-objective functions...
This article presents a new concept for sensitivity enhancement of dielectric sensors by loading a microstrip line with multiple coupled resonators. The concept is based on the interresonator coupling mechanism, which is represented as a mutual...
This article presents a new concept for sensitivity enhancement of dielectric sensors by loading a microstrip line with multiple coupled resonators. The concept is based on the interresonator coupling mechanism, which is represented as a mutual...
This paper presents a concept of an intelligent sensing technique based on modulating the frequency responses of microwave near-field sensors to characterize material parameters. The concept is based on the assumption that the physical parameters...
A new sensor based on complementary split-ring resonators (CSRR) is proposed. The sensor can detect sub-millimeter micro-surface cracks effectively. The crack perturbs the electromagnetic field around in the close vicinity of the CSRR gap, thereby...
This paper presents a highly sensitive sensor inspired by complementary split-ring resonators (CSRRs). The resonators are electrically small and designed as a near-field sensor to detect surface cracks in metallic surfaces. The sensor is etched in...
This paper presents an ultrasensitive microwave sensor based on electrically small resonators. The resonators are inspired by complementary split-ring resonators (CSRRs) and designed as near-field sensor for crack detection in metallic materials....
In the past few years, many microwave near-field sensors based on metamaterial unit cells have been reported having a low-quality factor. In this paper, we present an approach to design a sensor with very high localized fields and quality factor....
his paper presents a microwave sensor array based on a complementary split-ring resonator (CSRR) integrated with an artificial intelligence (AI) technique for material sensing applications. In particular, the sensor is utilized to detect the...
We present a polarization independent dual-band resonator array inspired by complementary electric-inductivecapacitive (C-ELC) resonators for electromagnetic energy harvesting and wireless power transfer. To demonstrate the viability of the...
Although electromagnetic-stored energy of planar electrically-small resonators is mostly concentrated in an electrically small volume, most of the energy, however, is concentrated in the host substrate, thus limiting the sensitivity to detect...
Available microwave techniques for crack detection have some challenges, such as design complexity and working at a high frequency. These challenges make the sensing apparatus design complex and relatively very expensive. This paper presents a...
This paper presents a highly sensitive sensor for crack detection in metallic surfaces. The sensor is inspired by complementary split-ring resonators which have dimensions much smaller than the excitation's wavelength. The entire sensor is etched in...
A new sensor based on complementary split-ring resonators is presented to detect sub-millimeter surface cracks. The sensing mechanism is based on perturbing the electromagnetic field around an electrically small resonator, thus initiating a shift in...