All Outputs (48)

Surface Wave Cloak from Graded Refractive Index Nanocomposites (2016)
Journal Article
La Spada, L., McManus, T. M., Dyke, A., Haq, S., Zhang, L., Cheng, Q., & Hao, Y. (2016). Surface Wave Cloak from Graded Refractive Index Nanocomposites. Scientific Reports, 6(1), 29363. https://doi.org/10.1038/srep29363

Recently, a great deal of interest has been re-emerged on the possibility to manipulate surface waves, in particular, towards the THz and optical regime. Both concepts of Transformation Optics (TO) and metamaterials have been regarded as one of key e... Read More about Surface Wave Cloak from Graded Refractive Index Nanocomposites.

A generic design approach for metasurfaces to manipulate surface waves (2016)
Presentation / Conference Contribution
La Spada, L., & Hao, Y. (2016). A generic design approach for metasurfaces to manipulate surface waves. In 2016 10th European Conference on Antennas and Propagation (EuCAP). https://doi.org/10.1109/eucap.2016.7481760

Recently, there have been increasing interests in controlling and manipulating surface wave propagation based on metasufaces ranging from microwave to optical frequencies. Despite this, a general design tool, linking metasurfaces with classic EM theo... Read More about A generic design approach for metasurfaces to manipulate surface waves.

Isotropic and anisotropic surface wave cloaking techniques (2016)
Journal Article
McManus, T. M., La Spada, L., & Hao, Y. (2016). Isotropic and anisotropic surface wave cloaking techniques. Journal of Optics, 18(4), 044005. https://doi.org/10.1088/2040-8978/18/4/044005

In this paper we compare two different approaches for surface waves cloaking. The first technique is a unique application of Fermat's principle and requires isotropic material properties, but owing to its derivation is limited in its applicability. T... Read More about Isotropic and anisotropic surface wave cloaking techniques.

Metamaterial-based wideband electromagnetic wave absorber (2016)
Journal Article
La Spada, L., & Vegni, L. (2016). Metamaterial-based wideband electromagnetic wave absorber. Optics express, 24(6), 5763. https://doi.org/10.1364/oe.24.005763

In this paper, an analytical and numerical study of a new type of electromagnetic absorber, operating in the infrared and optical regime, is proposed. Absorption is obtained by exploiting Epsilon-Near-Zero materials. The structure electromagnetic pro... Read More about Metamaterial-based wideband electromagnetic wave absorber.

Surface wave cloaking using transformation optics (2015)
Presentation / Conference Contribution
La Spada, L., & Hao, Y. (2015). Surface wave cloaking using transformation optics. In 2015 1st URSI Atlantic Radio Science Conference (URSI AT-RASC). https://doi.org/10.1109/ursi-at-rasc.2015.7302892

Recently, there has been an increasing interest in the study of manipulating surface waves from microwave to optical frequencies [1, 2], especially for the design of conformal antennas and devices in communications and radar applications [3]. Some of... Read More about Surface wave cloaking using transformation optics.

Electromagnetic modeling of metamaterial-based sensors (2015)
Presentation / Conference Contribution
Spada, L. L. (2015). Electromagnetic modeling of metamaterial-based sensors. . https://doi.org/10.1109/imws-bio.2014.7032448

In this paper metamaterial-based sensors electromagnetic modeling is presented. In particular, the interaction between the electromagnetic waves and such structures is analytically studied. The proposed sensors consist of array of resonant metallic s... Read More about Electromagnetic modeling of metamaterial-based sensors.

Epsilon-Near-Zero Nanoantennas (2014)
Presentation / Conference Contribution
La Spada, L. (2014). Epsilon-Near-Zero Nanoantennas. In Proceedings of the 9th International Conference on Body Area Networks. https://doi.org/10.4108/icst.bodynets.2014.257015

In this paper the design of Epsilon Near Zero (ENZ) antennas, working in the infrared and optical regime, is presented. Two different structures are considered: the classical PEC antenna and the dielectric dipole covered by ENZ material antenna. The... Read More about Epsilon-Near-Zero Nanoantennas.

Metasurface-Epsilon Near Zero-based Electromagnetic Wave Absorber (2014)
Presentation / Conference Contribution
La Spada, L. (2014, September). Metasurface-Epsilon Near Zero-based Electromagnetic Wave Absorber. Presented at 9th International Conference on Body Area Networks, London, Great Britain

The purpose of this paper is to design a new electromagnetic wave absorber. It consists of a planar layered structure with an isotropic Epsilon-Near-Zero (ENZ) material and a gold metal inclusion, both placed over a perfect conductor (PEC) plate. Abs... Read More about Metasurface-Epsilon Near Zero-based Electromagnetic Wave Absorber.

Surface plasmon resonance of nanoshell particles with PMMA-graphene core (2014)
Journal Article
Tarparelli, R., Iovine, R., La Spada, L., & Vegni, L. (2014). Surface plasmon resonance of nanoshell particles with PMMA-graphene core. COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering, 33(6), 2016-2029. https://doi.org/10.1108/compel-11-2013-0351

The purpose of this paper is to contribute an analytical and numerical study of a new type of nanoshell particles operating in the visible regime. The structure consists of a core/shell particle, arranged in a planar array configuration, with a poly... Read More about Surface plasmon resonance of nanoshell particles with PMMA-graphene core.

Spectral Green's Function for SPR Meta-Structures (2014)
Journal Article
Iovine, R., La Spada, L., Tarparelli, R., & Vegni, L. (2014). Spectral Green's Function for SPR Meta-Structures. Materials Science Forum, 792, 110-114. https://doi.org/10.4028/www.scientific.net/msf.792.110

In this paper we propose a new approach to study the electromagnetic field in Surface Plasmon Resonance (SPR) meta-structures. The geometry is a planar structure infinitely extended with a pulse excitation current embedded in the substrate. The gener... Read More about Spectral Green's Function for SPR Meta-Structures.

Optical Properties of Modified Nanorod Particles for Biomedical Sensing (2014)
Journal Article
Iovine, R., Spada, L. L., & Vegni, L. (2014). Optical Properties of Modified Nanorod Particles for Biomedical Sensing. IEEE Transactions on Magnetics, 50(2), 169-172. https://doi.org/10.1109/tmag.2013.2284552

In this paper, an analytical and numerical investigation for modified gold nanorod particles, operating in the visible and in the infrared regime is proposed. The modified particles consist in a core/shell structure (dielectric core/metallic shell) e... Read More about Optical Properties of Modified Nanorod Particles for Biomedical Sensing.

Conical Nanoparticles for Blood Disease Detection (2013)
Journal Article
Spada, L. L., Iovine, R., Tarparelli, R., & Vegni, L. (2013). Conical Nanoparticles for Blood Disease Detection. Advances in nanoparticles, 02(03), 259-265. https://doi.org/10.4236/anp.2013.23036

Metallic nanoparticles play an important role in the design of sensing platforms. In this paper, a new electromagnetic study for conical metal nanoparticles, working in the Near Infrared and Visible frequency regime, is proposed. The structures consi... Read More about Conical Nanoparticles for Blood Disease Detection.

Electromagnetic analysis of deep brain stimulation (2013)
Presentation / Conference Contribution
Tarparelli, R., Iovine, R., La Spada, L., & Vegni, L. (2013). Electromagnetic analysis of deep brain stimulation. In 2013 International Conference on Electromagnetics in Advanced Applications (ICEAA). https://doi.org/10.1109/iceaa.2013.6632424

In this contribution the stimulus complications in DBS (Deep Brain Stimulation) are evaluated and discussed. In particular we present a new method to predict the network response when a DBS stimulus is applied. A neural network similarly to ipsi-cont... Read More about Electromagnetic analysis of deep brain stimulation.

Nanoparticle device for biomedical and optoelectronics applications (2013)
Journal Article
Iovine, R., La Spada, L., & Vegni, L. (2013). Nanoparticle device for biomedical and optoelectronics applications. COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering, 32(5), 1596-1608. https://doi.org/10.1108/compel-03-2013-0105

In this contribution, the aim is to present a nanoparticle device, operating in the visible regime based on the localized surface plasmon resonance (LSPR) phenomenon. The nanoparticle electromagnetic properties are evaluated by a new analytical mod... Read More about Nanoparticle device for biomedical and optoelectronics applications.

Metamaterial-based sensor for skin disease diagnostics (2013)
Presentation / Conference Contribution
La Spada, L., Iovine, R., Tarparelli, R., & Vegni, L. (2013, May). Metamaterial-based sensor for skin disease diagnostics. Presented at SPIE Microtechnologies, Grenoble, France

Skin absorption properties, under diseases conditions, are modified due to the structural variations of chromophores and pigments. The measurement of such different absorptions can be a useful tool for the recognition of different skin diseases. In t... Read More about Metamaterial-based sensor for skin disease diagnostics.

Multi resonant platform based on modified metallic nanoparticles for biological tissue characterization (2013)
Presentation / Conference Contribution
Iovine, R., La Spada, L., Tarparelli, R., & Vegni, L. (2013, May). Multi resonant platform based on modified metallic nanoparticles for biological tissue characterization. Presented at SPIE Optical Metrology 2013, Munich, Germany

In this contribution optical properties of new metallic nanoparticles for biomedical applications are investigated. These particles consist of a pair of opposing gold prisms with asymmetric dielectric holes. In this configuration the structure exhibi... Read More about Multi resonant platform based on modified metallic nanoparticles for biological tissue characterization.

Nanoplasmonic sensor for chemical measurements (2013)
Presentation / Conference Contribution
Iovine, R., La Spada, L., & Vegni, L. (2013). Nanoplasmonic sensor for chemical measurements. In Proceedings Volume 8774, Optical Sensors 2013. https://doi.org/10.1117/12.2016836

In this paper plasmonic nanoparticles arranged in an array configuration for the detection of glycerol concentration in aqueous solution, are presented. Glycerol concentration measurement is crucial for several application fields, such as biomedical... Read More about Nanoplasmonic sensor for chemical measurements.

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.