logo EDITE Hakeim TALLEB
État académique
Thèse soutenue le 2006-11-26
Laboratoire: personnel permanent
Encadrement de thèses (depuis 2007)
Ellipse bleue: doctorant, ellipse jaune: docteur, rectangle vert: permanent, rectangle jaune: HDR. Trait vert: encadrant de thèse, trait bleu: directeur de thèse, pointillé: jury d'évaluation à mi-parcours ou jury de thèse.
Productions scientifiques
Investigation on an RFID planar coil for a wireless communicative aortic stent
This paper presents an investigation on a potential biomedical RFID planar coil operating at 13.56 MHz for measuring the blood pressure level, mounted inside an abdominal aortic aneurysm. The results show that a wireless communication is achieved in a perimeter of 60 cm, while respecting the ISO 15693 standard for vicinity contactless cards. Measurement and electromagnetic simulation results show that the inductive coupling is deteriorating if the planar coil is in direct contact with water without correctly encapsulating this coil. An electric model is given for our proposed RFID planar coil immersed in water.
Comptes Rendus Physiquearticle in peer-reviewed journal 2013-03-20
Electric near field measurements and electromagnetic simulations of a bianisotropic metamaterial composed of split ring resonator (SRR) particles
In this paper, we confirm that a structure composed only of split ring resonator (SRR) particles can produce backward waves. We present numerical and experimental results for electric near fields that give rise to the backward-wave behaviour. This phenomenon is expressed by an effective wavelength λ eff higher than λ. This structure behaves as a bianisotropic metamaterial when the SRRs reduce simultaneously to electric and magnetic dipoles. We show that the produced asymmetric current distribution in such configuration leads to a backward-wave behaviour. An extraction method based on a homogenization procedure shows a good concordance of the index of refraction between the experimental and simulation results. This method is used to quantify the magnetoelectric parameter.
Applied Physics A: Materials Science and Processingarticle in peer-reviewed journal 2012-08-29
Negative refractive index behaviour through magneto-electric coupling in split ring resonators
Progress in Electromagnetics Research Letters, Vol. 22, pp. 155-163 2011-04
ENDOCOM: Implantable wireless pressure sensor for the follow-up of abdominal aortic aneurysm stented
IRBM (Ingénierie et Recherche Biomédicale / BioMedical Engeneering and Research), Vol. 32, No. 3, pp. 163 - 168 2011-06
978 1 61284 899 0
RFID implantable pressure sensor for the follow-up of abdominal aortic aneurysm stented
An abdominal aortic aneurysm (AAA) is a dilatation of the aorta at the abdominal level, the rupture of which is a life threatening complication with an 80% mortality rate. Even though those devices keep improving, the failure rate of the endovascular treatment is due to persisting pressure into the excluded aneurysmal sac. Since 2005, several integrated sensors have been designed for the follow-up of the AAA treated by a stent. Solutions are based on the use of a single sensor. Thrombus in the excluded AAA can modify the field of pressure when leaks appeared and a network of sensors should be used. We present in this paper the ENDOCOM project that aims to design an implantable pressure sensor that can be used in a network configuration. To validate the new materials, we developed a framework composed of in vitro experiments and in vivo tests on large animal model. Numerical modeling has been investigated from the experimental data to determine the optimal position of sensor. Some results of those different parts are shown in this paper.
International Conference on Design & Technology of Integrated Systems in Nanoscale Era (DTIS), 2011 2011