Outputs (125)

Electromagnetic modeling of ellipsoidal nanoparticles for sensing applications (2013)
Journal Article
Spada, L. L., Iovine, R., & Vegni, L. (2013). Electromagnetic modeling of ellipsoidal nanoparticles for sensing applications. Optical Engineering, 52(5), 051205. https://doi.org/10.1117/1.oe.52.5.051205

We present a new analytical study of metallic nanoparticles, working in the infrared and visible frequency range. The structure consists of triaxial ellipsoidal resonating inclusions embedded in a dielectric environment. Our aim is to develop a new a... Read More about Electromagnetic modeling of ellipsoidal nanoparticles for sensing applications.

Modified Bow-Tie Nanoparticles Operating in the Visible and Near Infrared Frequency Regime (2013)
Journal Article
Iovine, R., Spada, L. L., & Vegni, L. (2013). Modified Bow-Tie Nanoparticles Operating in the Visible and Near Infrared Frequency Regime. Advances in nanoparticles, 02(01), 21-27. https://doi.org/10.4236/anp.2013.21005

In this contribution electromagnetic properties of traditional and modified bow-tie nanoparticles are investigated. The modified bow-tie particles consist of a pair of opposing metallic truncated triangles, embedded in a dielectric environment, with... Read More about Modified Bow-Tie Nanoparticles Operating in the Visible and Near Infrared Frequency Regime.

Metamaterial-based sensor for hemoglobin measurements (2013)
Presentation / Conference Contribution
Spada, L. L., Iovine, R., & Vegni, L. (2013). Metamaterial-based sensor for hemoglobin measurements. In 2012 Loughborough Antennas & Propagation Conference (LAPC). https://doi.org/10.1109/lapc.2012.6403007

The ratio Oxyhemoglobin to Deoxygenated hemoglobin is an important medical parameter for several diseases diagnostics. In this paper a metamaterial-based sensor, operating in the infrared frequency range, is presented. The structure consists of a pla... Read More about Metamaterial-based sensor for hemoglobin measurements.

Nanorod-based glucose sensor. (2012)
Presentation / Conference Contribution
La Spada, L., Iovine, R., Bilotti, F., & Vegni, L. (2012). Nanorod-based glucose sensor. In Metamorphose VI: Proceedings of Metamaterials '2012: The Sixth International Congress on Advanced Electromagnetic Materials in Microwaves and Optics

In this paper, a metamaterial-based sensor consisting of an array of nanorods is proposed. An analytical model, describing the electromagnetic response of the nanorods, is proposed. Such model is verified through the comparison to full-wave numerical... Read More about Nanorod-based glucose sensor..

Nanoparticle Electromagnetic Properties for Sensing Applications (2012)
Journal Article
Spada, L. L., Iovine, R., & Vegni, L. (2012). Nanoparticle Electromagnetic Properties for Sensing Applications. Advances in nanoparticles, 01(02), 9-14. https://doi.org/10.4236/anp.2012.12002

Nanoparticles play a crucial role in biomedical and sensing applications. In this paper the design of non-spherical gold nanoparticles, operating in the near infrared and visible regime, is proposed. The structures consist of metallic resonating incl... Read More about Nanoparticle Electromagnetic Properties for Sensing Applications.

Sensor design for cancer tissue diagnostics (2012)
Presentation / Conference Contribution
La Spada, L., Bilotti, F., & Vegni, L. (2012, April). Sensor design for cancer tissue diagnostics. Paper presented at SPIE Photonics Europe, Brussels, Belgium

In this paper, the design of a metamaterial-based sensor, operating in the mid-infrared frequency range, is proposed. The sensor consists of a planar array of complementary circular inclusions. The resonant frequencies of the sensor are designed to c... Read More about Sensor design for cancer tissue diagnostics.

Metamaterial biosensor for cancer detection (2012)
Presentation / Conference Contribution
La Spada, L., Bilotti, F., & Vegni, L. (2012). Metamaterial biosensor for cancer detection. In SENSORS, 2011 IEEE. https://doi.org/10.1109/icsens.2011.6127103

In this study a low-cost, compact, and high-performing metamaterial-based biosensor operating in the GHz regime is presented. The sensor is designed to detect the presence of a tumor by means of permittivity and absorption measurements. A shift in th... Read More about Metamaterial biosensor for cancer detection.

Metamaterial resonator arrays for organic and inorganic compound sensing (2011)
Presentation / Conference Contribution
La Spada, L., Bilotti, F., & Vegni, L. (2011). Metamaterial resonator arrays for organic and inorganic compound sensing. In Proceedings Volume 8306, Photonics, Devices, and Systems V; 83060I (2011). https://doi.org/10.1117/12.912267

In this paper, an electromagnetic metamaterial resonator operating in the terahertz frequency range is presented. By arranging the resonator in a planar array, it is possible to use the structure as a sensing device for organic and inorganic compound... Read More about Metamaterial resonator arrays for organic and inorganic compound sensing.

Metamaterial-based design of biological sensors operating at THz frequencies (2011)
Presentation / Conference Contribution
La Spada, L., Bilotti, F., & Vegni, L. (2011). Metamaterial-based design of biological sensors operating at THz frequencies.

In this contribution, we present an omega-shaped electromagnetic resonator, which is of potential interest for THz biosensors. A new analytical model for such an inclusion-type is developed, considering the effects of the fringing capacitance. After... Read More about Metamaterial-based design of biological sensors operating at THz frequencies.

Double CSRR for water content detection in biological matter (2011)
Presentation / Conference Contribution
La Spada, L., Bilotti, F., & Vegni, L. (2011). Double CSRR for water content detection in biological matter. In 4th EOS Topical Meeting on Optical Microsystems (OµS’11)

In this study, a low-cost, compact, and high-performing metamaterial-based biosensor operating in the THz frequency range is presented. The sensor is designed to detect the presence of water content in biological matter by spectral absorption measure... Read More about Double CSRR for water content detection in biological matter.

Metamaterial-based Sensor Design Working in Infrared Frequency Range (2011)
Journal Article
La Spada, L., Bilotti, F., & Vegni, L. (2011). Metamaterial-based Sensor Design Working in Infrared Frequency Range. Progress in electromagnetics research B: PIER B, 34, 205-223. https://doi.org/10.2528/pierb11060303

In this paper, we propose the design of high sensitivity and selectivity metamaterial-based biosensors operating in the THz regime. The proposed sensors consist of planar array of resonant metallic structures, whose frequency response is modified thr... Read More about Metamaterial-based Sensor Design Working in Infrared Frequency Range.

Metasurfaces for Advanced Sensing and Diagnostics (2019)
Journal Article
La Spada, L. (2019). Metasurfaces for Advanced Sensing and Diagnostics. Sensors, 19(2), 355. https://doi.org/10.3390/s19020355

Interest in sensors and their applications is rapidly evolving, mainly driven by the huge demand of technologies whose ultimate purpose is to improve and enhance health and safety. Different electromagnetic technologies have been recently used and ac... Read More about Metasurfaces for Advanced Sensing and Diagnostics.

Mutual-Coupling Isolation Using Embedded Metamaterial EM Bandgap Decoupling Slab for Densely Packed Array Antennas (2019)
Journal Article
Alibakhshikenari, M., Khalily, M., Virdee, B. S., Hwang See, C., Abd-Alhameed, R. A., & Limiti, E. (2019). Mutual-Coupling Isolation Using Embedded Metamaterial EM Bandgap Decoupling Slab for Densely Packed Array Antennas. IEEE Access, 9, 51827-51840. https://doi.org/10.1109/ACCESS.2019.2909950

This article presents a unique technique to enhance isolation between transmit/receive radiating elements in densely packed array antenna by embedding a metamaterial (MTM) electromagnetic bandgap (EMBG) structure in the space between the radiating el... Read More about Mutual-Coupling Isolation Using Embedded Metamaterial EM Bandgap Decoupling Slab for Densely Packed Array Antennas.

Antenna Mutual Coupling Suppression Over Wideband Using Embedded Periphery Slot for Antenna Arrays (2018)
Journal Article
Alibakhshikenari, M., Virdee, B. S., Shukla, P., See, C. H., Abd-Alhameed, R., Khalily, M., Falcone, F., & Limiti, E. (2018). Antenna Mutual Coupling Suppression Over Wideband Using Embedded Periphery Slot for Antenna Arrays. Electronics, 7(9), 198. https://doi.org/10.3390/electronics7090198

This paper presents a new approach to suppress interference between neighbouring radiating elements resulting from surface wave currents. The proposed technique will enable the realization of low-profile implementation of highly dense antenna configu... Read More about Antenna Mutual Coupling Suppression Over Wideband Using Embedded Periphery Slot for Antenna Arrays.

Curvilinear MetaSurfaces for Surface Wave Manipulation. (2019)
Journal Article
La Spada, L., Spooner, C., Haq, S., & Hao, Y. (2019). Curvilinear MetaSurfaces for Surface Wave Manipulation. Scientific Reports, 9(1), Article 3107. https://doi.org/10.1038/s41598-018-36451-8

Artificial sheet materials, known as MetaSurfaces, have been applied to fully control both space and surface waves due to their exceptional abilities to dynamically tailor wave fronts and polarization states, while maintaining small footprints. Howev... Read More about Curvilinear MetaSurfaces for Surface Wave Manipulation..

Mutual Coupling Suppression Between Two Closely Placed Microstrip Patches Using EM-Bandgap Metamaterial Fractal Loading (2019)
Journal Article
Alibakhshikenari, M., Khalily, M., Virdee, B. S., See, C. H., Abd-Alhameed, R., & Limiti, E. (2019). Mutual Coupling Suppression Between Two Closely Placed Microstrip Patches Using EM-Bandgap Metamaterial Fractal Loading. IEEE Access, 7, 23606-23614. https://doi.org/10.1109/access.2019.2899326

An approach is proposed to reduce mutual coupling between two closely spaced radiating elements. This is achieved by inserting a fractal isolator between the radiating elements. The fractal isolator is an electromagnetic bandgap structure based on me... Read More about Mutual Coupling Suppression Between Two Closely Placed Microstrip Patches Using EM-Bandgap Metamaterial Fractal Loading.

Dynamic Analysis Model of a Class E2 Converter for Low Power Wireless Charging Links (2019)
Journal Article
Bati, A., Luk, P., Aldhaher, S., See, C. H., Abd-Alhameed, R., & Excell, P. (2019). Dynamic Analysis Model of a Class E2 Converter for Low Power Wireless Charging Links. IET Circuits, Devices and Systems, 13(3), 399-405. https://doi.org/10.1049/iet-cds.2018.5091

A dynamic response analysis model of a Class E2 converter for wireless power transfer applications is presented. The converter operates at 200 kHz and consists of an induction link with its primary coil driven by a class E inverter and the secondary... Read More about Dynamic Analysis Model of a Class E2 Converter for Low Power Wireless Charging Links.

Beam‐scanning leaky‐wave antenna based on CRLH‐metamaterial for millimetre‐wave applications (2019)
Journal Article
Alibakhshikenari, M., Virdee, B. S., Shukla, P., See, C. H., Abd-Alhameed, R., Khalily, M., Falcone, F., & Limiti, E. (2019). Beam‐scanning leaky‐wave antenna based on CRLH‐metamaterial for millimetre‐wave applications. IET microwaves, antennas & propagation, 13(8), 1129-1133. https://doi.org/10.1049/iet-map.2018.5101

This paper presents empirical results of an innovative beam scanning leaky-wave antenna (LWA) which enables scanning over a wide angle from -35o to +34.5o between 57 GHz and 62 GHz, with broadside radiation centered at 60 GHz. The proposed LWA design... Read More about Beam‐scanning leaky‐wave antenna based on CRLH‐metamaterial for millimetre‐wave applications.

An Active Microwave Sensor for Near Field Imaging (2017)
Journal Article
Mirza, A. F., See, C. H., Danjuma, I. M., Asif, R., Abd-Alhameed, R. A., Noras, J. M., …Excell, P. S. (2017). An Active Microwave Sensor for Near Field Imaging. IEEE Sensors Journal, 17(9), 2749-2757. https://doi.org/10.1109/jsen.2017.2673961

Near field imaging using microwaves in medical applications is of great current interest for its capability and accuracy in identifying features of interest, in comparison with other known screening tools. This paper documents microwave imaging exper... Read More about An Active Microwave Sensor for Near Field Imaging.

Link Budget Maximization for a Mobile-Band Subsurface Wireless Sensor in Challenging Water Utility Environments (2017)
Journal Article
See, C. H., Abd-Alhameed, R. A., Atojoko, A. A., McEwan, N. J., & Excell, P. S. (2018). Link Budget Maximization for a Mobile-Band Subsurface Wireless Sensor in Challenging Water Utility Environments. IEEE Transactions on Industrial Electronics, 65(1), 616-625. https://doi.org/10.1109/tie.2017.2719602

A subsurface chamber transceiver system and associated propagation channel link budget considerations for an underground wireless sensor system (UWSS) are presented: the application was a sewerage system for a water utility company. The UWSS operates... Read More about Link Budget Maximization for a Mobile-Band Subsurface Wireless Sensor in Challenging Water Utility Environments.