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14 results

Calibration and adjustments of degree-1 and -2 re-entrant turnstile circulators using a partially recessed quarter-wave long dielectric resonator.

Journal Article
Helszajn, J., Sharp, J., & Carignan, L. (2015)
Calibration and adjustments of degree-1 and -2 re-entrant turnstile circulators using a partially recessed quarter-wave long dielectric resonator. IET microwaves, antennas & propagation, https://doi.org/10.1049/iet-map.2014.0358
The choice of reference planes in the design of the turnstile circulator is not unique. The purpose of this study is to examine two possibilities each of which is equally vali...

Electromagnetic analysis of deep brain stimulation

Conference Proceeding
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)doi: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 respo...

Metamaterial-based sensor for skin disease diagnostics

Conference Proceeding
La Spada, L., Iovine, R., Tarparelli, R., & Vegni, L. (2013)
Metamaterial-based sensor for skin disease diagnostics. In Proceedings Volume 8767, Integrated Photonics: Materials, Devices, and Applications II; 87670Tdoi:10.1117/12.2017561
Skin absorption properties, under diseases conditions, are modified due to the structural variations of chromophores and pigments. The measurement of such different absorption...

Multi resonant platform based on modified metallic nanoparticles for biological tissue characterization

Conference Proceeding
Iovine, R., La Spada, L., Tarparelli, R., & Vegni, L. (2013)
Multi resonant platform based on modified metallic nanoparticles for biological tissue characterization. In Proceedings Volume 8789, Modeling Aspects in Optical Metrology IVdoi:10.1117/12.2020522
In this contribution optical properties of new metallic nanoparticles for biomedical applications are investigated. These particles consist of a pair of opposing gold prisms w...

Nanorod-based glucose sensor.

Conference Proceeding
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 pro...

Conductively filled Poly(methyl methacrylate) composites; manufacture and testing processes for EMI shielding effectiveness

Thesis
Smuga, J. R. Conductively filled Poly(methyl methacrylate) composites; manufacture and testing processes for EMI shielding effectiveness. (Thesis)
Edinburgh Napier University. Retrieved from http://researchrepository.napier.ac.uk/id/eprint/5426
Electromagnetic interference (EMI) is an escalating concern in the modern electronic climate. As such it has become a critical area to consider when designing and packaging el...

Cut-off space of a gyromagnetic planar disk resonator with a triplet of stubs with up and down magnetization.

Journal Article
Helszajn, J., & Sharp, J. (2012)
Cut-off space of a gyromagnetic planar disk resonator with a triplet of stubs with up and down magnetization. IET microwaves, antennas & propagation, 6, 569-576. https://doi.org/10.1049/iet-map.2011.0491
A switchable circulator may be realized by internally or externally switching or latching a suitable ferrite resonator at the junction of three transmission lines or waveguide...

An FE adjustment of a waveguide turnstile junction circulator using a three quarter wavelength gyromagnetic resonator.

Journal Article
Helszajn, J., & Sharp, J. (2012)
An FE adjustment of a waveguide turnstile junction circulator using a three quarter wavelength gyromagnetic resonator. Manuscript submitted for publication
One difficulty with the design of millimetre waveguide junction circulators using quarter-wave long gyromagnetic resonators, beside that of fabrication, is the inability to re...

Sensor design for cancer tissue diagnostics

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

Health and safety risks in the design and construction of magnetic shielding for magnetic resonance imaging (MRI) suites

Thesis
Price, T. R. Health and safety risks in the design and construction of magnetic shielding for magnetic resonance imaging (MRI) suites. (Thesis)
Edinburgh Napier University. Retrieved from http://researchrepository.napier.ac.uk/id/eprint/5032
Once energised, and even when the equipment is not imaging, magnets used in magnetic resonance imaging will produce a static magnetic field that extends in three dimensions ar...