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Publications associées (53)

High-impedance frequency-agile THz dipole antennas using graphene

Juan Ramon Mosig, Julien Perruisseau-Carrier, Michele Tamagnone

The concept and analysis of a THz frequency-reconfigurable antennas using graphene are presented. The antennas exploit dipole-like plasmonic resonances that can be frequency-tuned on large range via the electric field effect in a graphene stack. In additio ...

Ieee2013

Optimization of an acoustic leaky-wave antenna based on acoustic metamaterial

Hervé Lissek, Sami Driss Karkar, Seyyed Hussein Seyyed Esfahlani

In recent years, an increasing number of pioneering studies have been carried out in the field of acoustic metamaterials, following the path of electromagnetic metamaterials. These artificial engineered materials are designed in such a way so as to achieve ...

2013

Design of piezolectric actuators drive

Piezoelectric actuators are widely used in industry, especially for their high-speed response and large force generation. In practice, a Piezoelectric Actuator Drive (PAD) is a crucial point to ensure the performance of the actuator. Our current applicatio ...

2013

Influence of dielectric loading on the fidelity factor of an ultra wideband monopole antenna

Anja Skrivervik, Nuno Miguel Faria Pires, Mohsen Koohestani

This paper reports a study of the influence on the fidelity factor due to loading an Ultra wideband monopole with a pair of dielectric substrate pads. The fidelity factor was calculated, with and without loading, using the simulated transmitted and receive ...

2012

Effect of Thermal Loading on Nb3Sn CICC Performance

Pierluigi Bruzzone, Boris Stepanov, Stephen Alfred March

The ITER CICC will undergo a number of cool-down and warm-up cycles over the lifetime of the plant. The standard SULTAN based ITER conductor qualification test normally includes one thermal cycle in the test sequence. In many samples a performance degradat ...

Ieee-Inst Electrical Electronics Engineers Inc2012

Flexible polyimide-based force sensor

Martinus Gijs, Jagoda Anna Dobrzynska

We have realized a flexible force sensor, composed of four redundant capacitors, the operation of which is based on the measurement of a load-induced capacitance change. We use polyimide both as flexible substrate and as elastic dielectric between two leve ...

Elsevier2012

Reconfigurable terahertz plasmonic antenna concept using a graphene stack

Juan Ramon Mosig, Julien Perruisseau-Carrier, Michele Tamagnone

The concept and analysis of a terahertz (THz) frequency-reconfigurable antenna using graphene are presented. The antenna exploits dipole-like plasmonic resonances that can be frequency-tuned on large range via the electric field effect in a graphene stack. ...

American Institute of Physics2012

Effect of load distribution and variable depth on shear resistance of slender beams without stirrups

Aurelio Muttoni, Miguel Fernández Ruiz

The shear resistance of elements without stirrups has mainly been investigated by test setups involving simply supported beams of constant thickness subjected to one- or two-point loading, and most of the formulas included in codes have been adjusted using ...

ACI Structural Journal2012

Rehabilitation of concrete bridges using Ultra-High Performance Fibre Reinforced Concrete (UHPFRC)

Eugen Brühwiler

Rehabilitation of deteriorated concrete bridges is a heavy burden from the socio-economic viewpoint. Novel concepts for the rehabilitation of concrete structures must be developed. Ultra-High Performance Fibre Reinforced Concretes (UHPFRC) provide the stru ...

CRC Press/Balkema2012

Nested Surface Coils for Multinuclear NMR

Rolf Gruetter

This article introduces the design of surface coils for multinuclear applications. The relative sensitivities of several NMR-visible nuclei of biological interest are considered, and the motivations to operate an RF coil at multiple frequencies, both seque ...

John Wiley & Sons2011

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