Academic literature on the topic 'Optique relativiste'
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Journal articles on the topic "Optique relativiste"
Alarcon, W. "De Devereux à Nathan : une lecture ethnopsychiatrique de la schizophrénie." European Psychiatry 30, S2 (November 2015): S93. http://dx.doi.org/10.1016/j.eurpsy.2015.09.397.
Full textAntoine, Jean-Pierre. "Symétries en physique." Revue des questions scientifiques 190, no. 1-2 (January 1, 2019): 7–26. http://dx.doi.org/10.14428/qs.v190i1-2.69423.
Full textJaccard, Jean-Philippe. "Voir – connaître : Optique, représentation, voyance." Modernités Russes 11, no. 1 (2010): 323–44. http://dx.doi.org/10.3406/modru.2010.936.
Full textKuramitsu, Yasuhiro, Yosuke Matsumoto, and Takanobu Amano. "Nonlinear evolution of the Weibel instability with relativistic laser pulses." Physics of Plasmas 30, no. 3 (March 2023): 032109. http://dx.doi.org/10.1063/5.0138855.
Full textMoshkelgosha, M., and R. Sadighi-Bonabi. "Generating the Optimum Self-Focusing in the Relativistic Laser-Plasma Interaction." IEEE Transactions on Plasma Science 41, no. 5 (May 2013): 1570–74. http://dx.doi.org/10.1109/tps.2013.2255888.
Full textAlhassan, Jibrin A., Augustine A. Ubachukwu, Finbar C. Odo, and Chika C. Onuchukwu. "RELATIVISTIC BEAMING EFFECTS AND STRUCTURAL ASYMMETRIES IN HIGHLY ASYMMETRIC DOUBLE RADIO SOURCES." Revista Mexicana de Astronomía y Astrofísica 55, no. 2 (September 13, 2019): 151–59. http://dx.doi.org/10.22201/ia.01851101p.2019.55.02.03.
Full textJung, D., B. J. Albright, L. Yin, D. C. Gautier, B. Dromey, R. Shah, S. Palaniyappan, et al. "Scaling of ion energies in the relativistic-induced transparency regime." Laser and Particle Beams 33, no. 4 (October 14, 2015): 695–703. http://dx.doi.org/10.1017/s0263034615000828.
Full textXie, B. S., and N. C. Wang. "Optimum Effect of Asymmetric Laser Pulse Shape on Relativistic Laser-Plasma Wake Field." Physica Scripta 65, no. 5 (January 1, 2002): 444–46. http://dx.doi.org/10.1238/physica.regular.065a00444.
Full textde Bruijne, Jos, Hassan Siddiqui, Uwe Lammers, John Hoar, William O'Mullane, and Timo Prusti. "Optimising the Gaia scanning law for relativity experiments." Proceedings of the International Astronomical Union 5, S261 (April 2009): 331–33. http://dx.doi.org/10.1017/s1743921309990597.
Full textLi, Wei, and Yong-gui Liu. "Choosing optimum method for the efficient design of a relativistic magnetron with diffraction output." Journal of Applied Physics 108, no. 11 (December 2010): 113303. http://dx.doi.org/10.1063/1.3520219.
Full textDissertations / Theses on the topic "Optique relativiste"
Ouillé, Marie. "Génération d'impulsions laser proches du cycle optique en durée pour l'interaction laser-matière relativiste à haute cadence." Electronic Thesis or Diss., Institut polytechnique de Paris, 2022. http://www.theses.fr/2022IPPAE007.
Full textThis experimental thesis was essentially conducted at Laboratoire d’Optique Appliquée in Palaiseau (France), on a laser system capable of delivering near-single-cycle duration pulses containing a few mJ of energy at 1kHz repetition rate: the Salle Noire 2. This laser is a Titanium:Sapphire double CPA system with a nonlinear filter in between (based on the crossed polarized wave generation effect) for temporal contrast enhancement, followed by a stretched-flexible hollow-core-fiber based post-compression stage. Using this system, we study laser-matter interaction in the relativistic regime at high repetition rate. We can, on one hand, in gas jets, accelerate electrons in the wakefield of the laser up to several MeVs; and on the other hand, by interacting with plasma mirrors, generate high order harmonics which are associated to bright attosecond pulses in the time domain. Despite the technological prowess in these experiments, the properties of the XUV and electron beams thus generated remain scarcely compatible with the main applications downstream. Following up on previous works in Salle Noire 2, the objective of this thesis was to obtain beams with stable properties, which was achieved by making the laser system more stable and reliable, as well as implementing a fast carrier-envelope phase control loop. By varying the carrier-envelope phase of the laser pulses, we could generate XUV continua/isolated attosecond pulses by forming a relativistic-intensity temporal gate at the surface of the plasma mirror, and also produce electron beams exhibiting stable energy and angle of emission, by controlling the electron injection within the plasma accelerator. Additionally, different regimes of interaction with plasma mirrors were experimentally investigated, such as wakefield acceleration of electrons in long plasma density gradients, and the acceleration of protons on the target’s front side (onto which the laser impinges) along the target no rmal direction, in order to measure new observables (electron energy spectra, proton beam divergence) and thus gain deeper insights into the laser-plasma dynamics
Ricci, A. "Développement d'une source laser ultra-brève, stabilisée en phase et à haut contraste, pour l'optique relativiste haute cadence." Phd thesis, Ecole Polytechnique X, 2013. http://pastel.archives-ouvertes.fr/pastel-00841459.
Full textFaure, Jérôme. "Accélération de particules par interaction laser-plasma dans le régime relativiste." Habilitation à diriger des recherches, Université Paris Sud - Paris XI, 2009. http://tel.archives-ouvertes.fr/tel-00404354.
Full textRicci, Aurélien José. "Développement d'une source laser ultra-brève, stabilisée en phase et à haut contraste pour l'optique relativiste haute cadence." Palaiseau, Ecole polytechnique, 2013. http://www.theses.fr/2013EPXX0020.
Full textAhoyo, Thierry. "Application de la théorie diachronique au paradoxe des jumeaux : intégration d'un amplificateur optique à base de semiconducteur à un guide d'onde effilé." Master's thesis, Université Laval, 2004. http://hdl.handle.net/20.500.11794/35380.
Full textQuébec Université Laval, Bibliothèque 2019
Hinschberger, Yannick. "Etude théorique des effets relativistes induits par une impulsion lumineuse ultra-rapide dans la matière." Phd thesis, Université de Strasbourg, 2012. http://tel.archives-ouvertes.fr/tel-00923154.
Full textOubrerie, Kosta. "Amélioration de l'efficacité des accélérateurs laser-plasma." Electronic Thesis or Diss., Institut polytechnique de Paris, 2022. http://www.theses.fr/2022IPPAE002.
Full textTo generate high energy electron beams, conventional accelerators use radio frequency waves to accelerate charged particles to relativistic speeds. However, the accelerating electric field produced is limited to a few tens of megavolts per metre, mainly due to a breakdown phenomenon. Very large facilities are therefore needed to reach sufficiently high energies. For example, the Stanford Linear Accelerator (SLAC), which is the world's longest linear accelerator, accelerates electrons up to 50 GeV over a distance of 3.2 km. Laser-Plasma Accelerators can produce electric fields exceeding 100 GV/m, that are about three orders of magnitude larger than those obtained by radiofrequency-cavity accelerators. They could thus allow for a drastic decrease of the size of accelerators for scientific, medical and industrial applications. Yet, several bottlenecks have to be solved before these applications can be really implemented. It is notably necessary to demonstrate the efficient production of high-quality, multi-GeV electron beams at a high-repetition rate.The doctoral project tackles this problem by exploring new methods for increasing the energy of the electron beams thanks to techniques that are compatibles with arbitrarily high laser powers and repetition rates and that can be combined with controlled injection methods. Indeed, high energy or controlled injection electron beams have been obtained separately during the last fifteen years, but never combined. This thesis presents the work carried out on the guiding techniques as well as on the electron injection techniques which allowed to obtain experimentally good quality beams at high energies. This work was done in particular through the optimisation of a new optic designed at the Laboratoire d'Optique Appliquée, the axiparabola, as well as the development of gas jets specific to laser-plasma acceleration
Kaur, Jaismeen. "Development of an intense attosecond source based on relativistic plasma mirrors at high repetition rate." Electronic Thesis or Diss., Institut polytechnique de Paris, 2024. http://www.theses.fr/2024IPPAE007.
Full textThe experimental work presented in this manuscript was carried out at Laboratoire d’Optique Appliquée (LOA, Palaiseau, France) on a compact kHz multi-mJ energy laser system capable of delivering waveform-controlled near-single-cycle pulses. The first part of this work is focused on improving the performance of this laser source by integrating a cryogenically-cooled multi-pass amplifier in the laser chain in order to increase the output energy, enhance the laser waveform stability, making the laser source more stable and reliable, and with more overall reproducible day-to-day performance. Furthermore, we explore laser post-compression and temporal contrast enhancement in a multipass cell. In the future, this post-compression scheme when power-scaled and integrated into the laser chain will further enhance the focused pulse intensity for experiments.The second part of this work focuses on using the laser system to drive relativistic plasma mirrors on the surface of initially-solid targets to generate highly energetic particle beams (ions and electrons) and harmonic radiation in the extreme ultraviolet region, corresponding to attosecond pulses (1 as = 10-18 s) in the time domain. We could produce relativistic electron beams by localized injection of electrons into the nonlinearly reflected laser field by the plasma mirror. Additionally, we could generate nearly-collimated MeV-class proton beams in a controlled pump-probe experiment. By stabilizing the waveform of the driving laser pulses, we could temporally gate the interaction process on the target surface and produce isolated attosecond pulses. We performed a comprehensive parameter study to fully characterize and optimize the spatio-spectral properties of the emitted XUV attosecond pulses, laying the groundwork for their refocusing for applications
Santos, Joao Jorge. "Génération et transport des électrons rapides dans l'interaction laser-solide à très haut flux." Palaiseau, Ecole polytechnique, 2003. http://www.theses.fr/2003EPXX0008.
Full textSigal-Pauchard, Marie. "Application de la théorie de l'optimisation à certains problèmes de relativité générale." Rouen, 1986. http://www.theses.fr/1986ROUES004.
Full textBook chapters on the topic "Optique relativiste"
Peters, Steve, and Karen Stephenson. "Mathematical Description of the Network Field Model." In Toward a General Theory of Organizing - Volume 1: Introducing the Network Field Model. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.100573.
Full textReynolds, P. J., M. Dupuis, and W. A. Lester. "Quantum Monte Carlo calculation of the singlet-triplet splitting in methylene." In Quantum Monte Carlo, 33. Oxford University PressNew York, NY, 2007. http://dx.doi.org/10.1093/oso/9780195310108.003.0034.
Full textConference papers on the topic "Optique relativiste"
Rangaraj, G. V. "Relativistic particle as energy source: Optimum speed of the particle for maximum power transfer." In 2011 1st International Conference on Electrical Energy Systems (ICEES). IEEE, 2011. http://dx.doi.org/10.1109/icees.2011.5725346.
Full textFrieden, B. Roy. "Fisher information as the basis for relativistic quantum mechanics." In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1990. http://dx.doi.org/10.1364/oam.1990.thk8.
Full textQin, Wei, Zhuang Kang, and Youwei Kang. "Free Standing Hybrid Riser Global Parametric Sensitivity Analysis and Optimum Design." In ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2011. http://dx.doi.org/10.1115/omae2011-49606.
Full textJiang, Z., J. C. Kieffer, C. Y. Côté, M. Chaker, G. Korn, S. Coe, G. Mourou, and O. Peyrusse. "Observation of an optimum condition for the generation of Li-like solid density plasmas with subpicosecond laser." In High Resolution Fourier Transform Spectroscopy. Washington, D.C.: Optica Publishing Group, 1994. http://dx.doi.org/10.1364/hrfts.1994.md2.
Full textShkolnikov, P. L., A. Lago, and A. E. Kaplan. "Optimal quasi-phase-matching for high-order harmonic generation in gases and plasma." In High Resolution Fourier Transform Spectroscopy. Washington, D.C.: Optica Publishing Group, 1994. http://dx.doi.org/10.1364/hrfts.1994.tua5.
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