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Affichage de 6371 à 6380 sur 16164

Article dans une revue

The beginnings of plasmomechanics : towards plasmonic strain sensors

Thomas Maurer, Joseph Marae Djouda, Ugo Cataldi, Arthur Gontier, Guillaume Montay, Yazid Madi, Benoît Panicaud, Demetrio Macías, Pierre-Michel Adam, Gaëtan Lévêque, Thomas Bürgi, Roberto Caputo

This article exposes the beginnings of a new field which could be named as “plasmomechanics”. Plasmomechanics comes from the convergence between mechanics and plasmonics. Here we discuss a relatively recent topic whose technological aim is the development of plasmonic strain sensors. The idea is…

Frontiers of Materials Science in China, 2015, 9 (2), pp.170-177. ⟨10.1007/s11706-015-0290-z⟩. ⟨hal-01286265⟩

Article dans une revue

Tonpilz Underwater Acoustic Transducer Integrating Lead-free Piezoelectric Material

Rémi Rouffaud, Christian Granger, Anne-Christine Hladky, Mai Pham Thi, Franck Levassort

A Tonpilz transducer based on lead-free piezoelectric material was fabricated, modeled and characterized. The stack is composed of two rings of doped BaTiO 3. This composition was initially chosen due to good electromechanical performance (k t at 40%) and high mechanical quality factor (Q m over…

Physics Procedia, 2015, 70, pp.997 - 1001. ⟨10.1016/j.phpro.2015.08.208⟩. ⟨hal-01705141⟩

Communication dans un congrès

An overview of 15 years of French collaborative projects for the characterization of concrete properties by combining NDT methods

Jean-Paul Balayssac, Vincent Garnier, Géraldine Villain, Zoubir Medhi Sbartaï, Xavier Derobert, Bogdan Piwakowski, Denys Breysse, Jean Salin

This communication aims to present the evolution of the activities carried out in France for assessing concrete properties by combining NDT methods. An important effort was done for improving NDT methods, particularly for more suitable on-site applications (for instance use of ultrasonic non-…

NDT-CE 2015, International Symposium Non-Destructive Testing in Civil Engineering, Sep 2015, BERLIN, Germany. 11p. ⟨hal-01608964⟩

Article dans une revue

Modelling based on Spatial Impulse Response Model for Optimization of Inter Digital Transducers (SAW Sensors) for Non Destructive Testing

Dame Fall, Marc Duquennoy, Mohammadi Ouaftouh, Bogdan Piwakowski, Frédéric Jenot

This study deals with modelling SAW-IDT transducers for their optimization. These sensors are specifically developed to characterize properties of thin layers, coatings and functional surfaces. Among the methods of characterization, the ultrasonic methods using Rayleigh surface waves are…

Physics Procedia, 2015, Proceedings of the 2015 ICU International Congress on Ultrasonics, Metz, France, 70, pp.927-931. ⟨10.1016/j.phpro.2015.08.192⟩. ⟨hal-03810639⟩

Article dans une revue

A distributed antenna system for indoor accurate WiFi localization

Christophe Loyez, Michael Bocquet, C. Lethien, N. Rolland

Specific infrastructures are a key challenge for indoor geo-localization systems. In particular, an accurate narrowband localization technique using 802.11 g WiFi signals is proposed in this letter. The related system architecture is built on the basis of radio over fiber topology of distributed…

IEEE Antennas and Wireless Propagation Letters, 2015, 14, pp.1184-1187. ⟨10.1109/LAWP.2015.2396901⟩. ⟨hal-03561323⟩

Article dans une revue

Sound generation by non-synchronously oscillating rotor blades in turbomachinery

Di Zhou, Xiaoyu Wang, Jun Chen, Xiaodong Jing, Xiaofeng Sun

In this paper, the sound generation by non synchronously oscillating rotor blades in axial compressor is investigated with emphasis on establishing an analytical model for the corresponding sound field inside an annular duct. In terms of the present model, it is found that the acoustic frequency…

Journal of Sound and Vibration, 2015, 355, pp.150-171. ⟨10.1016/j.jsv.2015.06.018⟩. ⟨hal-01348664⟩

Article dans une revue

Plasmonic mode interferences and Fano resonances in Metal-Insulator-Metal nanostructured interface OPEN

Rana Nicolas, Gaëtan Lévêque, Joseph Marae Djouda, Guillaume Montay, Yazid Madi, Jérôme Plain, Ziad Herro, Michel Kazan, Pierre-Michel Adam, Thomas Maurer

Metal-insulator-metal systems exhibit a rich underlying physics leading to a high degree of tunability of their spectral properties. We performed a systematic study on a metal-insulator-nanostructured metal system with a thin 6 nm dielectric spacer and showed how the nanoparticle sizes and…

Scientific Reports, 2015, 5, 14419, 11 p. ⟨10.1038/srep14419⟩. ⟨hal-01237837⟩