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Affichage de 2871 à 2880 sur 16175

Communication dans un congrès

Electrical Bragg Band Gaps in Piezoelectric Media: Tunability, Non-Reciprocity and Application to Surface Acoustic Wave Devices

B. Dubus, R. Alcorta-Galvan, S. Tessier, C. Croenne, Jerome O. Vasseur, B. Loiseaux, M. Bertrand, Etienne Eustache, T. Laroche, Anne-Christine Hladky

2021 Joint Conference of the European Frequency and Time Forum and the IEEE International Frequency Control Symposium, EFTF-IFCS, Jul 2021, Gainesville, United States. ⟨hal-04543996⟩

Communication dans un congrès

Reading the Culture of Machines Bordering Early Mechanics and Mathematical Practices: Influential–&–Heritages within the Relationship Physics–Mathematics into History

Raffaele Pisano

People, Places, Practices 2020 [reported to 2021 online], British Society for the History of Mathematics & University of St Andrews, Scotland, Jul 2021, St Andrew, United Kingdom. ⟨hal-04518952⟩

Communication dans un congrès

Instrument de spectroscopie terahertz du volatilome des microorganismes des sols, terahertz spectroscopy instrument of the soil microorganism volatilome

François Bondu, Ludovic Frein, Cyril Hamel, Anthony Carré, Guillaume Ducournau, Jean-Francois Lampin, Françoise Binet, Goulc'Hen Loas

L'identification des molécules volatiles issues du métabolisme des microorganismes dans leur environnement peut être réalisée par la spectroscopie (sub) millimétrique. Nous mettons au point un instrument transportable à ondes continues. Nous montrons les performances de la synthèse de...

OPTIQUE Dijon 2021 - Colloque PAMO (Physique Atomique, Moléculaire et Optique) / SFP, Jul 2021, Dijon, France. ⟨hal-03290108⟩

Communication dans un congrès

Testing the cellular nature of large (>10 µm) spheroids in the ~3.4 Ga Strelley Pool Formation

Maxime Coutant, Kevin Lepot, Alexandre Fadel, Ahmed Addad, Elodie Richard, David Troadec, Sandra Ventalon, Kenichiro Sugitani, Emmanuelle J Javaux

Goldschmidt Conference, Geochemical society; European Association of Geochemistry, Jul 2021, Online, France. ⟨hal-04536067⟩

Communication dans un congrès

Modeling for nonlinear laser vibrometry experiments in solids with frictional cracks

Ravi Verma, Kevin Truyaert, Vladislav Aleshin

Modeling for processes underlying NDT and SHM by ultrasound and vibrations present certain benefits. A valid digital tool can help accept or reject a hypothesis on damage position, orientation and degree of gravity. As a final objective, a fully reconstructed damage configuration can supplement...

27th International Congress on Sound and Vibration, ICSV 2021, Jul 2021, Virtual, Unknown Region. ⟨hal-03541938⟩

Article dans une revue

Thermal conductivity and interfacial effect of parylene C thin film using the 3-omega method

Amine Abdelkader Guermoudi, Pierre-Yves Cresson, Amaria Ouldabbes, Ghizlane Boussatour, Tuami Lasri

Parylene has attracted a great interest in the last years because of its potential use in many fields. Among all kinds of parylene, parylene C seems the most interesting one for a large range of applications. In this paper, we are interested in its thermal properties, and in particular the thermal...

Journal of Thermal Analysis and Calorimetry, 2021, 145 (1), pp.1-12. ⟨10.1007/s10973-020-09612-z⟩. ⟨hal-03322499⟩

Thèse

Etude et réalisation de MEMS dédiés à la focalisation d'ondes acoustiques UHF par retournement temporel contribuant au développement de dispositifs d'imagerie monotransducteur, Study and realization of MEMS dedicated to the focusing of UHF acoustic waves by time reversal contributing to the development of single-transducer imaging devices

Hatem Dahmani

Dans les systèmes d’imagerie basés sur l'exploitation d'ondes ultrasonores, la résolution dépend fortement de la fréquence de résonance des capteurs piézoélectriques. Ainsi, pour atteindre une résolution importante, il est nécessaire d’utiliser des transducteurs fonctionnant en ultra..., In imaging systems based on the use of ultrasonic waves, the resolution depends strongly on the resonance frequency of the piezoelectric sensors. Thus, to achieve a high resolution, it is necessary to use transducers operating at ultra-high frequency. In addition, the development of multi-element...

Electronique. Université Polytechnique Hauts-de-France; Institut national des sciences appliquées Hauts-de-France, 2021. Français. ⟨NNT : 2021UPHF0027⟩. ⟨tel-03365385⟩