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Academic literature on the topic 'Cavité temporelle'
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Journal articles on the topic "Cavité temporelle"
Vigne, Nathan, Baptiste Chomet, Alaeddine Abbes, Mohamed Seghilani, Stéphane Blin, Mikhael Myara, Grégoire Beaudoin, et al. "États originaux de la lumière par structuration 3D de l’émission D’un laser à Métasurface." Photoniques, no. 109 (July 2021): 46–50. http://dx.doi.org/10.1051/photon/202110946.
Full textBélanger, P. A., C. Paré, and M. Piché. "Propriétés spatiales et temporelles des résonateurs lasers munis de miroirs à conjugaison de phase." Canadian Journal of Physics 63, no. 2 (February 1, 1985): 206–13. http://dx.doi.org/10.1139/p85-033.
Full textDissertations / Theses on the topic "Cavité temporelle"
Szriftgiser, Pascal. "Cavité gravitationnelle et optique atomique temporelle." Phd thesis, Université Pierre et Marie Curie - Paris VI, 1996. http://tel.archives-ouvertes.fr/tel-00011912.
Full textChiquier, Jean-Michel. "Compression temporelle par effet Raman intra-cavité et compression spectrale des impulsions d'un laser à excimère." Paris 11, 1988. http://www.theses.fr/1988PA112084.
Full textDaude, Frédéric. "Méthode d'intégration temporelle implicite pour la simulation des grandes échelles : application à la réduction du bruit de cavité." Poitiers, 2007. http://www.theses.fr/2007POIT2256.
Full textA study concerning the analysis of implicit time integration methods for Large-Eddy Simulation of compressible flows is presented. The objective is the increasement of the numerical efficiency of schemes to tackle multiscale problems in aerodynamic like controlled flows. This work is divided into three parts: 1- an analysis of the influence of the convergence residual and numerical parameters on the accuracy of the numerical solution, 2 - the developpement of an efficient strategy based on an new block local optimisation, 3 - the demonstration of the potentiability of the method proposed in the case of a transonic cavity flow controlled by means a spanwise cylinder. The method makes it possible to reduce the computational effort by a factor 10
Uschanoff, Nicolas. "Dynamique spectro-temporelle d'une diode laser en cavité externe : application à la spectroscopie d'absorption haute sensibilité par intracavité laser." Université Joseph Fourier (Grenoble), 1995. http://www.theses.fr/1995GRE10243.
Full textLebouteiller, Claire. "Dispositif pour le chargement rapide d'une cavité miniaturisée : vers un registre de qubits atomiques." Thesis, Paris 6, 2016. http://www.theses.fr/2016PA066100/document.
Full textThe study of quantum entanglement is a very active research field. Cavity quantum electrodynamics systems are versatile tools allowing for instance entanglement in mesoscopic systems, that is to say with about a hundred particles. The purpose of the new experimental setup built during this thesis is to reach the single atom manipulation and detection level while working with mesoscopic ensembles, collectively coupled to the cavity mode. Toward this goal, three new experimental techniques have been developed to enable reliable and fast data acquisition rate, essential to reconstruct entangled states by quantum tomography means. First, robust extended cavity diode lasers have been constructed, allowing acquisitions that last for days. Then, a pulsed atomic source has been set up, it combines the advantages of fast magneto-optical trap loading and long lifetime in conservative traps by modulating the pressure inside a single vacuum chamber apparatus on a short timescale. Finally, to ensure the fast transport of cold atomic ensembles from the magneto-optical trap to the cavity position, a dipole trap moved with an acousto-optic deflector has been built. This allows a transport over few centimetres leaving the full optical access to the atomic cloud for other manipulations. Thanks to this new experimental setup, we hope to contribute to the understanding of the rich physics lying beyond multi-particle entangled systems
Müller, Markus. "Etude du polariton en cavité en régime de forte excitation : dynamique et non-linéarités dans les microcavités II-VI." Université Joseph Fourier (Grenoble), 2000. http://www.theses.fr/2000GRE10215.
Full textBasley, Jérémy. "Étude Expérimentale des Ondes et Structures Cohérentes dans un Écoulement Tridimensionnel de Cavité Ouverte." Phd thesis, Université Paris Sud - Paris XI, 2012. http://tel.archives-ouvertes.fr/tel-00822898.
Full textMazières, Valentin. "Claquage microonde par retournement temporel." Thesis, Toulouse 3, 2020. http://www.theses.fr/2020TOU30230.
Full textOne of the challenges that face plasma technologies is the development of plasma source concepts that can be scaled to larger dimensions, for example for the surface processing of large objects (solar panels, flat screens, large wafers, etc.). However, the more the area to be processed is large, the more it is difficult to process it. In fact, when increasing the area these technologies face physical and technological limitations. For microwave plasma sources, the inability to control plasmas comes from the multi-mode nature of large cavities, which makes the control of the spatial distribution of the electric field (and thus of the plasma) inside very difficult with conventional technologies. The objective of this thesis is to develop a microwave plasma source addressing this need for plasma control in large cavities (multimode). We then introduced an innovative concept of microwave plasma source: the "wave plasma brush". The principle of this plasma source consists in dynamically controlling the position of the plasma in a cavity by playing on the waveform of the transmitted signal to the cavity. The idea is then to use "Time Reversal", which allows a spatio-temporal focusing of the electromagnetic energy in large cavities.This thesis proposes the first theoretical studies and the first experimental demonstrations of the concept of "wave plasma brush"
PATRASCU, ANDREEA. "Instabilites spatio-temporelles dans une cavite en anneau." Paris 11, 1995. http://www.theses.fr/1995PA112250.
Full textMarconi, Mathias. "Structures localisées temporelles dans les lasers à semi-conducteur à cavité verticale." Thesis, Nice, 2014. http://www.theses.fr/2014NICE4098/document.
Full textLocalized Structures (LS) appear in nonlinear dissipative media with large aspect-ratios where one or several solutions coexist in the parameters space. Although LS formation is a general phenomenon, their implementation in semiconductor lasers is of great interest due to the potential of LS for all-optical data processing. In fact, the basic idea consists in using LS as bits of information exploiting their property of addressability in a fast and small-sized medium. In this contribution, I will show the experimental and theoretical results obtained in Vertical Cavity Surface-Emitting Lasers (VCSELs). After a brief historical introduction on spatial LS emerging in the transverse profile of VCSELs, I will describe our method for the generation of temporal LS, that we observed in the frame of passive mode-locking when the VCSEL is coupled to a long external cavity closed by a fast saturable absorber, and vectorial LS, whose formation exploits the polarization degree of freedom of the VCSEL, which is submitted to the actions of a polarization-selective feedback (PSF) and a crossed-polarization reinjection (XPR)