Academic literature on the topic 'Imagerie – Optique non linéaire'
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Journal articles on the topic "Imagerie – Optique non linéaire"
Schanne-Klein, M. C., H. Weisman, A. Götzendorfer, and F. Hache. "Optique non-linéaire et chiralité." Journal de Physique IV (Proceedings) 12, no. 5 (June 2002): 77–83. http://dx.doi.org/10.1051/jp4:20020099.
Full textAptel, F., E. Beaurepaire, M. C. Schanne-Klein, K. Plamann, C. Burillon, P. Denis, and J. M. Legeais. "207 Imagerie du segment antérieur par microscopie non linéaire." Journal Français d'Ophtalmologie 32 (April 2009): 1S74. http://dx.doi.org/10.1016/s0181-5512(09)73334-0.
Full textCarles, Rémi. "Comportements Précisés Près D'Une Caustique En Optique Géométrique Non Linéaire." Communications in Partial Differential Equations 23, no. 11-12 (January 1998): 1929–67. http://dx.doi.org/10.1080/03605309808821407.
Full textGrynberg, G. "Les résonances induites par collision en optique non linéaire : une illustration des concepts du pompage optique." Annales de Physique 10, no. 6 (1985): 695–703. http://dx.doi.org/10.1051/anphys:01985001006069500.
Full textPioger, P. H., V. Couderc, L. Lefort, A. Barthélémy, F. Baronio, and C. De Angelis. "Adressage tout optique ultra rapide par déviation non linéaire d'un faisceau soliton dans du LiNbO3à 1064 nm." Journal de Physique IV (Proceedings) 119 (November 2004): 261–62. http://dx.doi.org/10.1051/jp4:2004119086.
Full textMarguet, Didier, and Thierry Galli. "De la révolution photonique Ou comment l’optique non-linéaire crée de nouvelles approches en imagerie cellulaire et tissulaire." médecine/sciences 22, no. 10 (October 2006): 787–88. http://dx.doi.org/10.1051/medsci/20062210787.
Full textLopez, L., A. Gatti, A. Maitre, N. Treps, S. Gigan, and C. Fabre. "Effets de la taille finie du milieu non-linéaire sur le bruit quantique spatial généré par un oscillateur paramétrique optique confocal." Journal de Physique IV (Proceedings) 119 (November 2004): 227–28. http://dx.doi.org/10.1051/jp4:2004119069.
Full textVyas, Sumant, G. N. Purohit, P. K. Pareek, and M. S. Sahani. "Imagerie ultrasonographique pour le suivi du stade précoce de gestation chez le dromadaire (Camelus dromedarius)." Revue d’élevage et de médecine vétérinaire des pays tropicaux 55, no. 3 (March 1, 2002): 241. http://dx.doi.org/10.19182/remvt.9829.
Full textBishop, David M. "Dispersion formulas for real- and imaginary-frequency-dependent hyperpolarizabilities." Canadian Journal of Chemistry 74, no. 6 (June 1, 1996): 781–85. http://dx.doi.org/10.1139/v96-086.
Full textLek, S., I. Dimopoulos, M. Derraz, and Y. El Ghachtoul. "Modélisation de la relation pluie-débit à l'aide des réseaux de neurones artificiels." Revue des sciences de l'eau 9, no. 3 (April 12, 2005): 319–31. http://dx.doi.org/10.7202/705255ar.
Full textDissertations / Theses on the topic "Imagerie – Optique non linéaire"
Shi, Junheng. "Quantum temporal imaging." Thesis, Lille 1, 2018. http://www.theses.fr/2018LIL1R023/document.
Full textTemporal imaging, like its spatial counterpart, can be formulated in terms of two concepts: i) - linear system, and ii) Fourier analysis. The first aim of this thesis is to show this nature of quantum temporal imaging by the operator algebra that we developed. This formalism allows treating a variety of quantum temporal imaging systems as combinations of a few basic operations.The main goal of this thesis is to explore the application of temporal imaging in the quantum domain. In fact, despite the variety of classical temporal imaging applications, for example, in ultrafast signal processing, applying temporal imaging to manipulate non-classical light is not yet developed. Two main topics are addressed in the thesis. Firstly, we apply the existing four-wave mixing time lens to manipulation of non-classical light such as broadband squeezed light, and formulate the conditions for preservation of squeezing at the output of the scheme. We also propose a new time lens based on counter-propagating Bragg-scattering and show that it has better performance than a time lens based on the co-propagating Bragg-scattering and the sum-frequency generation. Secondly, we use the impulse response function of the imaging system and evaluate the resolution of various schemes for quantum temporal imaging. We also investigate the restrictions of quantum temporal imaging on the resolution and the field of view as compared with similar characteristics for classical temporal imaging
Suran, Eric. "Imagerie discrète dans un réseau de guides optiques réalisé par inscription femtoseconde : focalisation discrète dans une fibre optique multicoeur." Limoges, 2009. https://aurore.unilim.fr/theses/nxfile/default/21087bc8-36f0-49fe-819d-1587fa690759/blobholder:0/2009LIMO4065.pdf.
Full textHigh resolution imaging for cellular scale in biolical an medecine research has reached a high reliability and currently gives a lot of scientific results for example with two-photon absorption microscopy. The new development step is now to use optical waveguides to transport light directly through cells. In the frame of SYDIMEN project, this thesis present a study that evaluate the feasibility of using optical waveguides with several coupled cores in a specific propagation scheme called “discrete diffraction”. After giving a definition of what is a discrete system, two settings using these devices are successively demonstrated numerically and experimentally: discrete imaging and discrete focusing
Brocas, Arnaud. "Microscopies non linéaires : analyses et instrumentations." Bordeaux 1, 2005. http://www.theses.fr/2005BOR13031.
Full textLépine, Thierry. "Différentes contributions aux lasers, à l'optique non linéaire, et à l'optique instrumentale." Habilitation à diriger des recherches, Université Jean Monnet - Saint-Etienne, 2005. http://tel.archives-ouvertes.fr/tel-00353847.
Full textEn 1991 et 1992, j'ai travaillé (en CDI) à Thales Optronics (Guyancourt), au sein de la direction scientifique. Je me suis intéressé aux développements des radars laser, ainsi qu'aux nouvelles sources " laser " basées sur les effets paramétriques.
En octobre 1992, j'ai été recruté comme maître de conférences au sein de l' École Supérieure d'Optique. J'ai tout naturellement poursuivi le développement de nos sources laser et leurs adaptations aux besoins de nos recherches menées dans le cadre de l'étude des propriétés optiques non linéaires de différentes classes de matériaux. Avec l'équipe, nous nous sommes donc attachés à améliorer leurs performances, notamment en leur apportant une plus grande fiabilité pour qu'elles deviennent réellement des outils pour nos expériences.
Les nouveaux besoins en longueurs d'onde qui ne pouvaient pas être issues directement d'un laser m'ont conduit à m'intéresser aux effets non linéaires, et plus particulièrement au mélange à trois ondes (amplification et oscillation paramétrique), en régime femtoseconde puis nanoseconde.
Ces nouvelles sources ont conduit à des applications originales. En particulier, l'étude de l'amplification paramétrique en régime femtoseconde a débouché sur la possibilité de voir à travers les milieux diffusants. Nous avons aussi utilisé ces sources pour étudier la dynamique femtoseconde de films minces de VO2.
En 1999-2000, j'ai eu l'opportunité de rejoindre en tant " qu'opticien expert " un groupe de travail consacré à la mission spatiale Darwin (coronographie interférentielle). Ce groupe ne comprenait pas d'opticien instrumentiste, et les compétences que j'avais acquises à travers mes enseignements se sont révélées de plus en plus utiles. J'ai donc progressivement abandonné ma première activité " lasers, optique non linéaire et applications ", pour m'investir de plus en plus dans l'équipe " exoplanètes " dirigée par Alain Léger, à l'Institut d'Astrophysique Spatiale (IAS) d'Orsay.
En septembre 2003, j'ai quitté Orsay, pour venir travailler à plein temps au sein de la nouvelle antenne de l'Institut d'Optique, à Saint Étienne. J'ai néanmoins poursuivi ma collaboration avec IAS, et commencé mon intégration au sein du laboratoire TSI (Traitement du signal et Instrumentation, UMR 5516).
Cette synthèse des travaux auxquels j'ai participé comprend trois parties : une première sur les sources laser et l'optique non linéaire, une deuxième sur les applications des sources développées au laboratoire et enfin la dernière sur l'imagerie haute résolution et haute dynamique.
Tikan, Alexey. "Integrable turbulence in optical fiber experiments : from local dynamics to statistics." Thesis, Lille 1, 2018. http://www.theses.fr/2018LIL1R046/document.
Full textThis work is dedicated to the investigation of the origin of statistical phenomena recently observed in the framework of integrable turbulence. Namely, experimental and numerical studies of the partially-coherent waves propagation in 1-D Nonlinear Schrödinger equation systems revealed a deviation from the Gaussian statistics. Focusing and defocusing regimes of propagation demonstrated qualitatively different behaviour: the probability of extreme events to appear in the focusing case is higher than it is predicted by normal law, while in defocusing it is lower. We provided optical experiments well described by the 1-D Nonlinear Schrödinger equation in order to investigate this problem. We built two novel and complementary ultrafast measurement tools. Employing these tools we provided direct observation of coherent structures which appear at different stages of the propagation in both regimes. Providing analysis of these structures, we determined dominating mechanisms in both focusing and defocusing regimes. In the focusing regime, we discovered the universal appearance of Peregrine soliton-like structures and made a link with the rigorous mathematical result obtained in the semi-classical regime. In the defocusing case, we showed that the mechanism of nonlinear interference of neighbour pulse-like structures defines the evolution of the partially-coherent initial conditions. We considered a simplified model which explained the presence of different scales in the recorded data
Ibrahim, Ali. "Microscopie linéaire et non linéaire pour étude de stress chez les copépodes." Thesis, Lille 1, 2015. http://www.theses.fr/2015LIL10209.
Full textCopepods are small crustaceans with length about 1mm in adult stage. Their responses to different external strain factors such as salinity and temperature can be observed at different scales from genes to organism (individual). Until now, no observation of the effects of temperature or salinity stresses on copepods has been done by light microscopy In this work we exploited optical imaging techniques and specifically nonlinear microscopy linear and nonlinear. First of all CLSM (Confocal Laser Scanning Microscopy) allow studying, characterisation and quantifying stress effect applied on calanoid Pseudodiaptomus marinus copepod maintained during several generations in the laboratory at favorable and stable condition of salinity (30 psu) and temperature (18° C). These stresses applied were: a sharp decrease in temperature (18 to 4°C), a moderate and a major decrease in salinity (from 30 respectively to 15 psu and 0 psu), and finally a mixed stress with a decrease both in temperature and salinity (from 18°C and 30 psu to 4°C and 0 psu). Our observations are concentrated on copepod muscles regions.This study has been completed with SHG/TPEF techniques to answer some questions about stripes disappearance. This technique was followed by Fourier transformation (FFT) applied on the stripes muscles profiles to more understanding about stripes situations in each stress. Finally, we applied CARS microscopy which was developed in our laboratory to image these samples. With this technique we were able to identify these muscles stripes and also lipid reserves
Bancelin, Stéphane. "Imagerie Quantitative du Collagène par Génération de Seconde Harmonique." Phd thesis, Ecole Polytechnique X, 2013. http://pastel.archives-ouvertes.fr/pastel-00958171.
Full textChis, Mihaela-Ana. "Mesure du tenseur de susceptibilité non linéaire d'ordre trois par traitement d'images." Angers, 1996. http://www.theses.fr/1996ANGE0005.
Full textPascal, Simon. "Conception et étude de chromophores polyméthines pour l'optique non-linéaire dans le proche infrarouge." Thesis, Lyon, École normale supérieure, 2014. http://www.theses.fr/2014ENSL0909.
Full textThe aim of this thesis consisted in developing dyes from the polymethine family absorbing in the near-infrared (NIR) region and featuring pronounced nonlinear optical (NLO) properties. Several new chromophores have been prepared and their spectroscopic properties have been systematically investigated in order to establish structure-properties relationships. This strategy has permitted the identification of the factors that enhance the NLO response of polymethines and allowed the prediction of their optical behaviour depending on subtle structural modifications. Three families of dyes have been prepared and investigated: boron aza-dipyrro-monomethines (aza-bodipys), symmetrical heptamethines and unsymmetrical heptamethines.In a first time, aza-bodipys possessing electro-donating peripherical substituants has been synthesized. A detailed spectroscopic study allow the identification of structures that present a high two-photon absorption (TPA), towards optical limiting applications at telecommunication wavelengths (1500 nm). The next chapter rationalizes the equilibrium surrounding the cyanine limit. The study of the central substitution of several heptamethines derivatives permitted the fine tuning of their optical properties upon a large spectral region and evidenced a new bis-dipolar electronic structure. Within this dye family, keto heptamethine derivatives has been tested in bio-imaging experiments (living cells and brain) using non-linear microscopy. Finally, the elaboration of original unsymmetrical heptamethines is detailed in the last chapter. These chromophores revealed ideal second order NLO properties for applications in electro-optic modulation
Laibe-Darbour, Florence. "Dérivés du 1,2,3-triazole pour l'optique non-linéaire quadratique : Applications à l'imagerie biologique." Lyon, École normale supérieure (sciences), 2009. http://www.theses.fr/2009ENSL0524.
Full textThe main objective of this thesis is the design of new non-linear chromophores for biological imaging. Since ten years, the 1,2,3-triazole, made famous by “click-chemistry” reaction, has been used in a lot of field but not much in Non-Linear Optic (NLO)? Eleven compounds were synthesized in order to study the optical properties of the triazole. Theoretical studies confirmed experimental datas : the triazole is an optical amphotere (electro-donating and accepting group). The triazole was introduced to molecules for different applications, in particular the monitoring by circular dichroism of the formation of an alpha helix of a peptide. Another part of this thesis is the synthesis of chiral molecules with a strong excitonic coupling for biological imaging by Second Harmonic Generation (SHG). Different chiral and achiral molecules, enantiopure or racemic, were synthesized in order to study the influence of the origin of the chirality to the SHG signal. The triazole was chosen as a linker between the chiral part end the chromophores or as a part of the chromophore. Unfortunately, no SHG signal was observed, neither in cell or in vesicles. Finally, two families of dipolar compounds with a strong accepting and functionnalisable group were synthesized. These molecules have an absorption wavelength over 500 nm and a strong NLO activity. These compounds were grafted to polysaccharides using the triazole as a linker in order to study by mass spectroscopy a specific fragmentation induced by photodissociation
Books on the topic "Imagerie – Optique non linéaire"
Lévy, Roland, and Jean-Michel Jonathan. L'optique non linéaire et ses matériaux: Ecole thématique, Agelonde - Complexe résidentiel de France Télécom, La londe les Maures (Var), du 29 juin au 11 juillet 1998. Les Ullis [France]: EDP Sciences, 2000.
Find full textN, Belyi Vladimir, Drabovich Konstantin N, Flytzanis C. 1939-, Natsyi︠a︡nalʹnai︠a︡ akadėmii︠a︡ navuk Belarusi, and SPIE (Society), eds. ICONO 2007: Coherent and nonlinear optical phenomena : 28 May-1 June 2007, Minsk, Belarus. Bellingham, Wash: SPIE, 2007.
Find full textThin film micro-optics: New frontiers of spatio-temporal beam shaping. Amsterdam, NL: Elsevier, 2007.
Find full textFarcy, René. Applications des lasers: Principes optiques avec problèmes commentés. Paris: Masson, 1992.
Find full textLaser crystals: Their physics and properties. 2nd ed. Berlin: Springer-Verlag, 1990.
Find full textHache, François. Optique non linéaire. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-2007-8.
Full textSanchez. Optique non-linéaire: Cours et problèmes résolus. Ellipses Marketing, 1999.
Find full textBidégaray-Fesquet, Brigitte. Hiérarchie de modèles en optique quantique: De Maxwell-Bloch à Schrödinger non-linéaire (Mathématiques et Applications). Springer, 2005.
Find full textGrunwald, Ruediger. Thin Film Micro-Optics: New Frontiers of Spatio-Temporal Beam Shaping. Elsevier Science, 2007.
Find full textA, Voronts͡o︡v M., and Miller Walter B. 1933-, eds. Self-organization in optical systems and applications in information technology. Berlin: Springer, 1995.
Find full textBook chapters on the topic "Imagerie – Optique non linéaire"
"Avant-propos." In Optique non linéaire, ix—x. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-2007-8-002.
Full text"Chapitre 9 Bases théoriques de la spectroscopie résolue en temps." In Optique non linéaire, 137–54. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-2007-8-012.
Full text"Table des matières." In Optique non linéaire, iii—vi. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-2007-8-toc.
Full text"Corrigés des problèmes." In Optique non linéaire, 165–80. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-2007-8-015.
Full text"Index." In Optique non linéaire, 181–82. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-2007-8-016.
Full text"Chapitre 1 Susceptibilités non linéaires." In Optique non linéaire, 5–24. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-2007-8-004.
Full text"Chapitre 5 Effet Kerr optique." In Optique non linéaire, 71–90. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-2007-8-008.
Full text"Conclusion." In Optique non linéaire, 163–64. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-2007-8-014.
Full text"Chapitre 8 Calcul quantique des fonctions-réponse et des susceptibilités non linéaires." In Optique non linéaire, 125–36. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-2007-8-011.
Full text"Chapitre 7 Optique non linéaire des impulsions courtes." In Optique non linéaire, 107–24. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-2007-8-010.
Full textConference papers on the topic "Imagerie – Optique non linéaire"
Courtois, J. Y. "Optique non linéaire." In Les lasers et leurs applications scientifiques et médicales. Les Ulis, France: EDP Sciences, 1996. http://dx.doi.org/10.1051/sfo/1996020.
Full textSalin, F., P. Georges, G. Roger, G. Le Saux, P. Grangier, and A. Brun. "Optique non-linéaire femtoseconde." In Optoélectronique (Volume 1). Les Ulis, France: EDP Sciences, 1990. http://dx.doi.org/10.1051/sfo/1990001.
Full textVitrant, G. "Effets non linéaires en optique guidée." In L'optique non linéaire et ses matériaux. Les Ulis, France: EDP Sciences, 1998. http://dx.doi.org/10.1051/sfo/1998001.
Full textDe Micheli, M. "Quasi-accord de phase et interactions non linéaires en optique intégrée." In L'optique non linéaire et ses matériaux. Les Ulis, France: EDP Sciences, 1998. http://dx.doi.org/10.1051/sfo/1998003.
Full textFick, J., A. Martucci, and M. Guglielmi. "Couches minces fabriquées par sol-gel pour des applications en optique non linéaire." In L'optique non linéaire et ses matériaux. Les Ulis, France: EDP Sciences, 1998. http://dx.doi.org/10.1051/sfo/1998007.
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