Radiation Patterns of RF Wireless Devices Implanted in Small Animals: Unexpected Deformations Due to Body Resonance
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Electrically small antennas (ESAs) have been discussed since the early radio days, when all antennas were small compared to the wavelength. The boom of mobile phones triggered a second wave of intense research activity on these devices, which continues tod ...
The European Associationa onAntennas and Propagation (EurAAP)2019
In this work, we report on the first demonstration of Lab on Fiber (LOF) dosimeter for ionizing radiation monitoring at ultra-high doses. The new dosimeter consists in a metallo-dielectric resonator at subwavelength scale supporting localized surface plasm ...
NATURE PUBLISHING GROUP2018
Various applications require ultra-low current sensing. Some of these applications are related to ionizing radiation detection. Radiation monitoring is important in particle physics experiments, nuclear facilities, hadron therapy institutes and hospitals. ...
EPFL2017
Spacecraft employ composite materials as Thermal Protection Systems (TPS) to survive entering a planetary atmosphere at hypersonic speeds. Under intense convective and radiative heating from the surrounding shock layer, these composites decompose and erode ...
EPFL2017
This paper summarizes the main findings of a long-term research to explore the use of high power electromagnetics in humanitarian demining. A neutralization method based on remote detonation of electrically-activated improvised explosive devices (IED) was ...
Ieee2016
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The Large Hadron Collider (LHC) running at CERN will soon be upgraded to increase its luminosity giving rise to radiations reaching the level of GigaRad Total Ionizing Dose (TID). This paper investigates the impact of such high radiation on transistors fab ...
IEEE2016
An in-depth analysis of modern technologies could represent the base for the success of the High Luminosity Large Hadron Collider experiments. The requirement is a new reliable electronics in 1Grad-TID environments. For the purpose, single devices in TSMC ...
ELSEVIER SCIENCE BV2018
In-body bioelectronics relies on antennas to interface with external on- or off-body equipment. In this paper, we address the impedance detuning of in-body antennas caused by nondeterministic electromagnetic properties of biological tissues. The impedance ...
IEEE2019
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This letter presents the design and measurement of an antenna integrated into an agricultural sensor network node operating on the 2.4-GHz ISM band using the ZigBee protocol stack. The novel structure, coined bowtie-shaped folded dipole (BSFD), has a diffe ...
We monitor dynamic rupture propagation during laboratory stick-slip experiments performed on saw-cut Westerly granite under upper crustal conditions (10-90 MPa). Spectral analysis of high-frequency acoustic waveforms provided evidence that energy radiation ...
