Literatura científica selecionada sobre o tema "Diffusion Brillouin stimulée"
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Artigos de revistas sobre o assunto "Diffusion Brillouin stimulée"
Botineau, Jean, Claude Leycuras, Carlos Montes e Eric Picholle. "Diffusion Brillouin stimulee dans un laser en anneau à fibre optique". Annales Des Télécommunications 44, n.º 3-4 (março de 1989): 173–78. http://dx.doi.org/10.1007/bf02997812.
Texto completo da fonteLevasseur, Valérie. "Le libre accès : nouveau paradigme de diffusion des savoirs". Revue Organisations & territoires 27, n.º 2 (1 de dezembro de 2018): 111–15. http://dx.doi.org/10.1522/revueot.v27n2.875.
Texto completo da fonteNeogi, A. "Stimulated Brillouin scattering in diffusion-driven semiconductors". Journal of the Optical Society of America B 11, n.º 11 (1 de novembro de 1994): 2246. http://dx.doi.org/10.1364/josab.11.002246.
Texto completo da fonteBeugnot, Jean-Charles, Philippe Djemia e Jérémie Margueritat. "Centenaire de la découverte de l’effet Brillouin". Photoniques, n.º 114 (2022): 26–29. http://dx.doi.org/10.1051/photon/202111426.
Texto completo da fonteLuo, Kuo, Biwei Wang, Nan Guo, Kuanglu Yu, Changyuan Yu e Chao Lu. "Enhancing SNR by Anisotropic Diffusion for Brillouin Distributed Optical Fiber Sensors". Journal of Lightwave Technology 38, n.º 20 (15 de outubro de 2020): 5844–52. http://dx.doi.org/10.1109/jlt.2020.3004129.
Texto completo da fonteLeonenko, N. N., I. Papić, A. Sikorskii e N. Šuvak. "Ehrenfest–Brillouin-type correlated continuous time random walk and fractional Jacobi diffusion". Theory of Probability and Mathematical Statistics 99 (27 de fevereiro de 2020): 137–47. http://dx.doi.org/10.1090/tpms/1086.
Texto completo da fonteFISCHER, M., B. BONELLO, A. POLIAN e A. ZAREMBOWITCH. "DÉTERMINATION DES VITESSES ULTRASONORES DANS LES TRÈS PETITS ÉCHANTILLONS PAR DIFFUSION BRILLOUIN". Le Journal de Physique Colloques 51, n.º C2 (fevereiro de 1990): C2–45—C2–48. http://dx.doi.org/10.1051/jphyscol:1990211.
Texto completo da fonteKAUP, D. J., J. O. EL-REEDY e GARY E. THOMAS. "Parametric interactions inside a magnetron". Journal of Plasma Physics 64, n.º 4 (outubro de 2000): 489–506. http://dx.doi.org/10.1017/s0022377800008783.
Texto completo da fonteMarini, Samuel, Felipe B. Rizzato e Renato Pakter. "Effects of the magnetic field penetration into the metal on the Brillouin flow in a crossed-field gap". Physics of Plasmas 30, n.º 1 (janeiro de 2023): 012107. http://dx.doi.org/10.1063/5.0125449.
Texto completo da fonteRusso, D., A. Orecchini, A. De Francesco, F. Formisano, A. Laloni, C. Petrillo e F. Sacchetti. "Brillouin Neutron Spectroscopy as a Probe to Investigate Collective Density Fluctuations in Biomolecules Hydration Water". Spectroscopy: An International Journal 27 (2012): 293–305. http://dx.doi.org/10.1155/2012/671265.
Texto completo da fonteTeses / dissertações sobre o assunto "Diffusion Brillouin stimulée"
Masson-Laborde, Paul-Edouard. "Modélisation réaliste de l'instabilité de diffusion brillouin stimulée". Phd thesis, Ecole Polytechnique X, 2006. http://pastel.archives-ouvertes.fr/pastel-00001913.
Texto completo da fonteMihelic, François. "Diffusion Brillouin stimulée dans les fibres optiques : amplification Brillouin large bande et laser Brillouin". Thesis, Lille 1, 2008. http://www.theses.fr/2008LIL10146/document.
Texto completo da fonteAs part of this thesis several studies will be presented. The first presentes the problem of preservation of information in a Brillouin amplification process. The second focuses on the achievement of a Brillouin amplifier with a broad bandwidth. The last part concerns the achievement of Brillouin lasers of high coherence. An experimental study of the transition between Brillouin generator and Brillouin amplifier in a state of saturation is performed. It highlights the transfer of energy from the generator to the probe. We have proven that even in a regime of powerful generator, the spectral qualities of the probe are preserved when the resonance is reached. The qualities of the Brillouin amplifier lead us in a second part to try to increase its bandwidth as narrow band gain is a limitation for many applications, especially in the field of telecommunications. We explore the possibility of working with a large-band pump to achieve broad band amplification. We prove a bandwidth above 10 GHz. We demonstrate a monomode laser, with a spectral width below one kHz, stable in frequency and intensity, in which the threshold is reached by commercial DFB laser diodes. The set-up is compact, robust and cost effective. The cavity can also be used separately, ie without pump assigned, to applications of spectral narrowing or filtering. Finally, the application of the device to spectral characterization of coherent lasers is proved and discussed
Mihelic, François. "Diffusion Brillouin stimulée dans les fibres optiques : amplification Brillouin large bande et laser Brillouin". Electronic Thesis or Diss., Lille 1, 2008. http://www.theses.fr/2008LIL10146.
Texto completo da fonteAs part of this thesis several studies will be presented. The first presentes the problem of preservation of information in a Brillouin amplification process. The second focuses on the achievement of a Brillouin amplifier with a broad bandwidth. The last part concerns the achievement of Brillouin lasers of high coherence. An experimental study of the transition between Brillouin generator and Brillouin amplifier in a state of saturation is performed. It highlights the transfer of energy from the generator to the probe. We have proven that even in a regime of powerful generator, the spectral qualities of the probe are preserved when the resonance is reached. The qualities of the Brillouin amplifier lead us in a second part to try to increase its bandwidth as narrow band gain is a limitation for many applications, especially in the field of telecommunications. We explore the possibility of working with a large-band pump to achieve broad band amplification. We prove a bandwidth above 10 GHz. We demonstrate a monomode laser, with a spectral width below one kHz, stable in frequency and intensity, in which the threshold is reached by commercial DFB laser diodes. The set-up is compact, robust and cost effective. The cavity can also be used separately, ie without pump assigned, to applications of spectral narrowing or filtering. Finally, the application of the device to spectral characterization of coherent lasers is proved and discussed
Picholle, Éric. "Dynamique de la diffusion brillouin stimulee dans les fibres optiques". Nice, 1991. https://hal.archives-ouvertes.fr/tel-01424930.
Texto completo da fonteKüng, Alain. "L'émission laser par diffusion Brillouin stimulée dans les fibres optiques /". [S.l.] : [s.n.], 1997. http://library.epfl.ch/theses/?nr=1740.
Texto completo da fonteSaïd, Hussein. "Etude asymptotique d'un systeme semi-lineaire modelisant la diffusion brillouin stimulee". Paris 11, 1990. http://www.theses.fr/1990PA112385.
Texto completo da fonteNeuville, Cedric. "Etude expérimentale des effets multi-faisceaux sur l'instabilité de diffusion Brillouin stimulée". Thesis, Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLX046/document.
Texto completo da fonteThe laser facilities designed to realize laser inertial confinement thermonuclear fusion experiments use numerous laser beams in order to meet irradiation symmetry constraints and to deposite enough energy in matter. Unfortunately, the crossing of laser beams in plasmas modifies their propagations. When a beam is propagating in plasmas, it can interact with ion acoustic waves and scatter its energy by stimulated Brillouin scattering. Not only the directions but also the levels of these scatterings are modified when beams are crossing one another in plasmas. This manuscript is about the experimental study of two kinds of multiple-beam modification:- the flexibility of the LULI2000 laser facility (Laboratoire d'Utilisation de Lasers Intenses, Palaiseau, France) enabled us to study crossed-beam energy transfer between two and three beams;- the sixty laser beams available on the OMEGA facility (Laboratory for Laser Energetics, Rochester, United-States) enabled us to observe scattering of collective Brillouin instabilities produced in planar geometries and at the entrance hole of cavities of fusion experiments.These two mecanisms can highly modify the initial laser irradiation by transferring up to 30% of the laser energy between beams and by scattering more than 10% of the laser energy in unusual directions
Steinhausser, Bastien. "Laser à fibre multimode avec remise en forme de faisceau par diffusion Brillouin stimulée". Phd thesis, Université Paris Sud - Paris XI, 2009. http://tel.archives-ouvertes.fr/tel-00864743.
Texto completo da fonteLewis, Kévin. "Etude expérimentale et numérique de la distribution d'intensité laser dans un plasma et de son infkuence sur la diffusion Brillouin stimulée". Palaiseau, Ecole polytechnique, 2008. http://www.theses.fr/2008EPXX0060.
Texto completo da fonteLe, FLoch Sébastien. "Étude de la diffusion Brillouin stimulée dans les fibres optiques monomodes standard : application aux capteurs de température et de pression". Brest, 2001. https://tel.archives-ouvertes.fr/tel-00008526.
Texto completo da fonteCapítulos de livros sobre o assunto "Diffusion Brillouin stimulée"
VINCENT, Brice, DIDIER ROUXEL, Christine MARTINET e Jeremie MARGUERITAT. "Spectroscopie Brillouin : introduction et exemples". In Spectroscopies vibrationnelles, 247–72. Editions des archives contemporaines, 2020. http://dx.doi.org/10.17184/eac.4203.
Texto completo da fonteFytas, George, e Adam Patkowski. "Dynamic light scattering from polymers in solution and in bulk". In Dynamic Light Scattering, 440–70. Oxford University PressOxford, 1993. http://dx.doi.org/10.1093/oso/9780198539421.003.0010.
Texto completo da fonteTrabalhos de conferências sobre o assunto "Diffusion Brillouin stimulée"
Picholle, E., J. Botineau, O. Legrand, C. Leycuras e C. Montes. "Un exemple de propagation non-linéaire dans les fibres optiques : la rétro-diffusion Brillouin stimulée". In Optoélectronique (Volume 1). Les Ulis, France: EDP Sciences, 1990. http://dx.doi.org/10.1051/sfo/1990010.
Texto completo da fonteBoulezhar, Abdelkader, Mostafa Abouricha, S. Amrane e Nawfel Azami. "Numerical Study of Stimulated Brillouin Diffusion in Lasers High Power Photonic Crystal Fiber". In the Fourth International Conference. New York, New York, USA: ACM Press, 2018. http://dx.doi.org/10.1145/3234698.3234770.
Texto completo da fonteJones, D. C., M. S. Mangir, D. A. Rockwell e J. O. White. "Stimulated Brillouin scattering gain variation and transient effect in a CH4:He binary gas mixture". In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1989. http://dx.doi.org/10.1364/oam.1989.mkk3.
Texto completo da fonteMamaev, A. V., e V. V. Shkunov. "Photorefractive and SBS backscattering—a comparison". In The European Conference on Lasers and Electro-Optics. Washington, D.C.: Optica Publishing Group, 1994. http://dx.doi.org/10.1364/cleo_europe.1994.ctuh3.
Texto completo da fonteCollet, Manuel, Morvan Ouisse, Mohammed Ichchou e Roger Ohayon. "Semi-Active Optimization of 2D Wave’s Dispersion Into Shunted Piezocomposite Systems for Controlling Acoustic Interaction". In ASME 2011 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. ASMEDC, 2011. http://dx.doi.org/10.1115/smasis2011-5018.
Texto completo da fonteTateo, F., M. Collet, M. Ouisse, M. N. Ichchou e K. A. Cunefare. "Design and Experimental Validation of a Metacomposite Made of an Array of Piezopatches Shunted on Negative Capacitance Circuits for Vibroacoustic Control". In ASME 2013 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/smasis2013-3182.
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