Literatura académica sobre el tema "Forces optiques"
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Artículos de revistas sobre el tema "Forces optiques"
Georges, Thierry, Thierry Dupoux, Thierry Chartier y Elisabeth Boéri. "La photonique : de la deeptech à la filière structurée". Photoniques, n.º 124 (2024): 20–25. http://dx.doi.org/10.1051/photon/202412420.
Texto completoPefanis, Georges P. "Les chemins de mémoire dans la dramaturgie grecque contemporaine". L’Annuaire théâtral, n.º 48 (20 de febrero de 2012): 21–29. http://dx.doi.org/10.7202/1007837ar.
Texto completoBouzidi, N., E. Turki, M. Dammak y C. Mhiri. "Formes atypiques de neuro-myélite optique". Feuillets de Radiologie 55, n.º 4 (septiembre de 2015): 231–35. http://dx.doi.org/10.1016/j.frad.2015.05.003.
Texto completoBouzidi, N., E. Turki, M. Dammak y C. Mhiri. "Formes atypiques de neuro-myélite optique". Feuillets de Radiologie 55, n.º 4 (septiembre de 2015): 256. http://dx.doi.org/10.1016/j.frad.2015.05.004.
Texto completo-TONDA-GOLDSTEIN, Sylvie. "Génération optique de formes d'ondes arbitraires radar". Revue de l'Electricité et de l'Electronique -, n.º 01 (2006): 66. http://dx.doi.org/10.3845/ree.2006.007.
Texto completoGouillon, A. S., Ph Delaporte, M. Sentis y O. Uteza. "Transmission de fortes puissances UV par fibre optique". Le Journal de Physique IV 09, PR5 (mayo de 1999): Pr5–23—Pr5–24. http://dx.doi.org/10.1051/jp4:1999509.
Texto completoEl Fekih, L., W. Hmaied, M. Ben M Hamed, N. Lahmar, S. Moalla, S. Sakka y S. El Lhif. "158 Correction optique dans les fortes anisométropies de l’enfant". Journal Français d'Ophtalmologie 28 (marzo de 2005): 191. http://dx.doi.org/10.1016/s0181-5512(05)74554-x.
Texto completoZeitoun, M. "Formes cliniques de glaucome maculaire en tomographie en cohérence optique". Journal Français d'Ophtalmologie 35, n.º 5 (mayo de 2012): 319–32. http://dx.doi.org/10.1016/j.jfo.2011.04.012.
Texto completoParreau, S., A. Régent, S. Dumonteil, A. Fauchais, E. Liozon, L. Mouthon, D. Monnet, A. Brézin, K. H. Ly y B. Terrier. "Neuropathies optiques ischémiques antérieures : étude des caractéristiques des formes artéritiques et non artéritiques". La Revue de Médecine Interne 41 (diciembre de 2020): A87—A88. http://dx.doi.org/10.1016/j.revmed.2020.10.140.
Texto completoBastien, Laurence, Véronique Provencher, Eli Sawadogo y Kaven Bernier. "Démarche d’évaluation participative de projets en sécurité alimentaire : le cas du Laboratoire d’agriculture urbaine et de proximité (Labor-AT) en Abitibi-Témiscamingue". Revue Organisations & territoires 32, n.º 1 (4 de mayo de 2023): 80–93. http://dx.doi.org/10.1522/revueot.v32n1.1554.
Texto completoTesis sobre el tema "Forces optiques"
Moine, Olivier. "Modélisation de forces optiques". Aix-Marseille 3, 2005. http://www.theses.fr/2005AIX30055.
Texto completoThis work deals with theoretical modeling of optical forces on micro-meter scale objects using exact electromagnetic calculations. In the first part, we derive and review the two approximate techniques commonly used to calculate optic in the two extreme size domains : the Rayleigh approximation for dealing with particles considerably smaller than the wavelength, [lambda] , of the trapping radiation, and the geometric optics approximation which applies to particles much larger than [lambda]. We then illustrate the limits of these approximate techniques via a comparison with the exact calculations that we have developed. In the second part, we consider optical traps containing multiple particles. For such studies we couple our exact calculation technique with exact solutions of the multi-scattering equations in order to evaluate the optically induced forces that appear between particles in multiparticle traps. Most of our applications to date concern homogeneous spherical trapped particles, and a the third part studies the extension to more general particles like coated spheres which can be used to model biological organites like cells. The last part concerns the applications of theoretical modeling to the rapidly developing field of optical tweezers for mico-meter scale manipulation
Nouho, Ali Ali. "Confinement électromagnétique sub-longueur d'onde et couplage entre nano-structures photoniques : Calcul de forces et de moments optiques". Thesis, Bourgogne Franche-Comté, 2019. http://www.theses.fr/2019UBFCD057.
Texto completoThis thesis work is a contribution to the numerical modeling of new optical devices based on photonic nano-structures such as photonic crystals, plasmonic nano-antennas or enhanced-transmission metamaterials. The objective is to enhance the light confinement in these structures to further use it as a source of trapping to manipulate resonant or non-resonant metallo-dielectric particles.The first part is devoted to the modeling of the local electrostatic field generated by the application of a DC voltage across two electrodes, on a nano-structured dielectric acting as an active material in electro-optical modulators. The idea is to enhance the local electrostatic and optical fields in the material to induce a more substantial modification of its local index, thus leading to an amplification of its nonlinear effects. In particular, we have shown that by optimizing the geometrical shape of the electrodes, the local electrostatic field can be further exalted inside the material leading to exacerbate the electro-optical effect by a factor 6.The second part concerns the modeling of optical forces and moments acting in nanostructures by the Finite Difference Time Domain Method (FDTD). After presenting the principle of modeling of the optical forces and torques, a specific application is considered to study the translational and rotational motions of a dielectric disk placed at the output side of a quarter-wave plate made of metamaterial formed of coaxial apertures with elliptical section engraved in an opaque metal film. On the other hand, we show how an optical tweezer based on Diabolo nano-antennas can be used to sort and arrange dielectric nanoparticles according to their size by tuning the wavelength of the incident beam.The third and last part is dedicated to the study of optical trapping of metallo-dielectric nano-particles and the coupling between different optical nano-resonators according to the distance separating them and according to their natures. A detailed study is presented to analyze and understand the properties (scattering, absorption, extinction,) of these nano-resonators at the sub-wavelength scale. An application has been processed on the trapping of dielectric nano-particles by an optical nano-tweezers based on a photonic crystal coupled to a Bowtie nano-antenna
Desmarchelier, Rudy. "Analyses des forces photo-induites par le laser femtoseconde dans les verres à base de silice". Phd thesis, Université Paris Sud - Paris XI, 2014. http://tel.archives-ouvertes.fr/tel-01064070.
Texto completoStuder, Michel Studer Michel. "Etude des forces pontantes dans un matériau composite à l'aide de réseaux de Bragg dans des fibres optiques /". [S.l.] : [s.n.], 2001. http://library.epfl.ch/theses/?nr=2451.
Texto completoLecarme, Olivier. "Propriétés optiques de colloïdes assemblés : plasmonique et confinement diélectrique". Phd thesis, Université de Grenoble, 2011. http://tel.archives-ouvertes.fr/tel-00673254.
Texto completoBercy, Mathilde. "Les structures secondaires dans l'ARN : une étude par mesure de forces sur molécules uniques". Thesis, Paris 6, 2015. http://www.theses.fr/2015PA066718/document.
Texto completoTraditionally, RNA has been considered as a mere intermediate between DNA, keeper of the genetic information, and proteins, which assume cells self-sustenance. With the discoveries of the transfert RNA in the 70s, and of the ribozymes in the 80s, RNA took on both roles: it can store information in its linear sequence, and tridimensional structuration enables catalytic functions. Since then, numerous roles devoted to RNA have been discovered, particularly for gene expression regulation. Most of these functions rely on tridimensional structuration of single stranded RNA. In this work, we used an optical tweezers setup to study several aspects of RNA structuration by single molecule force measurement. In a first part, we compared the dynamic behaviour of a model secondary structure made of either RNA or DNA, the hairpin. Then we considered the interaction of a secondary structure with a protein, the RNA helicase DbpA. Finally, within a wider study of ribosome assembly, we worked on the development of a new method to study tridimensional structuration. This method relies on the overstretching of a hybrid ribosomal RNA / DNA molecule
Medeiros, Luiz Henrique Alves de. "Méthodes de calcul de forces électromagnétiques : application au calcul des distributions de forces sur les aimants permanents". Grenoble INPG, 1998. http://www.theses.fr/1998INPG0095.
Texto completoCastin, Yvan. "Les limites du refroidissement laser dans les mélasses optiques à une dimension". Phd thesis, Université Pierre et Marie Curie - Paris VI, 1992. http://tel.archives-ouvertes.fr/tel-00011882.
Texto completoDebbichi, Lamjed. "Etude ab-initio des propriétés électroniques, optiques et du transport électronique dans les nanotubes de carbone". Strasbourg, 2010. http://www.theses.fr/2010STRA6231.
Texto completoThe objective of this work is to understand the effects of impurities on the electronic and transport properties of single wall carbon nanotubes. In the first part, we studied the effect of substitutional doping by boron, nitrogen or silicon atoms on the electronic structure of carbon nanotubes for different diameters in order to determine the chemical reactivity as a function of the nanotube curvature. We then studied the impurity distribution as a function of the nanotube chirality and the behavior of the optical spectra as a function of the diameter and the chirality of the nanotubes and as a function of the impurity distribution. In a second part, we used the nonequilibrium Green’s function to understand the electronic transport of carbon nanotubes. This is to calculate the electric conductance of a single nanotube in which an organic molecule is either inserted or adsorbed on its surface. To determine the adsorption of the molecule we calculated the total energy, taking into account the dispersive forces of van der Waals. We also studied the effect of spin polarized chemical bonding at the interface of the Fe(001)-nanotube direct junctions on the electronic transport of zigzag and armchair nanotubes of different sizes
Rodriguez-Otazo, Mariela. "Réalisation de pinces optiques pour la manipulation de nano et micro objets individuels d'intérêt chimique ou biologique". Paris 11, 2008. http://www.theses.fr/2008PA112099.
Texto completoWe built an experiment of optical tweezers based on the use of an inverted optical microscope. Two classes of micro objects were studied : 1 - spherical or roughly spherical colloidal particles, either homogeneous such as colloids of pure silica elaborated through a sol-gel method or commercial latex balls, or inhomogeneous such as composite particles made up of a metal gold core embedded in a silica shell. 2 - micro-single crystals of a fluorescent organic molecule presenting a nonspherical, parallelepipedic form. Our study showed an effective trapping even on the smallest particles containing a gold core. For the hybrid gold-silica nanoparticles, the elastic constant of the optical trap measured in experiments is stronger than for the silica nanoparticles with a similar diameter. This result is in agreement with a simple model based on the increase in polarizability of the particle due to the presence of the gold core. The influence of the polarization of the light was studied and we discussed the choice of the detector of position. The organic microcrystals are directed so that their long axis is in the axial direction of the trapping beam; the short axis follows the direction of the linear polarization of the beam. In circular or elliptic polarization, the crystals are put spontaneously in rotation with high speed up to 500 turns per second. It is the ¯rst time that such a result is deferred for particles of the size of our crystals. Another surprising result is that when the incident power increases, the rotation speed also increases as expected but after the passage by a maximum, whereas the power continues growing, the rotation speed decreases until complete stop of rotation, and this evolution is not reversible ! The thesis presented is a thesis carried out within a framework of cotutelle between the University Paris 11 and the Higher Institute of Science and Advanced Technologies - Havana University in Cuba
Libros sobre el tema "Forces optiques"
Connolly, Jocelyne. Optique, temps et formes: André Fournelle, Jacek Jarnuszkiewicz et Robert Marcel Lepage. Longueuil, Québec: Plein Sud, Centre d'exposition et d'animation en art actuel à Longueuil, 1995.
Buscar texto completoSoudani, Kamel. Étude de la structure et de la dynamique spatiale et temporelle des canopées forestières: Approche par méthodes optiques indirectes in situ et par télédé[te]ction. Lille: A.N.R.T., Université de Lille III, 2000.
Buscar texto completoBahram, Javidi, ed. Image recognition and classification: Algorithms, systems, and applications. New York: Marcel Dekker, 2002.
Buscar texto completoSymposium, DAGM (Organization). Pattern recognition: 26th DAGM symposium, Tübingen, Germany, August 30-September 1, 2004 : proceedings. Berlin: Springer, 2004.
Buscar texto completoDavid, Forsyth, ed. Shape, contour, and grouping in computer vision. Berlin: Springer, 1999.
Buscar texto completoDavid, Forsyth, ed. Shape, contour, and grouping in computer vision. New York: Springer, 1999.
Buscar texto completoDavid, Forsyth, ed. Shape, contour, and grouping in computer vision. Berlin: Springer, 1999.
Buscar texto completoPeck, T. J. Le contexte politique pour le développement du secteur de la forêt et des industries forestières en Europe: Document de discussion sur quelques uns des principaux problèmes et choix politiques, dans une optique internationale, ayant ou pouvant avoir un impact sur le secteur. Zürich: Eidgenössische Technische Hochschule Zürich, 1996.
Buscar texto completoIbPRIA 2005 (2005 Estoril, Portugal). Pattern recognition and image analysis: Second Iberian conference, IbPRIA 2005, Estoril, Portugal, June 7-9, 2005 : proceedings. Berlin: Springer, 2005.
Buscar texto completoGlenn, Healey, Shafer Steven A y Wolff Lawrence, eds. Color. Boston: Jones and Bartlett, 1992.
Buscar texto completoCapítulos de libros sobre el tema "Forces optiques"
Kajzar, F. y P. A. Chollet. "Proprietes Optiques des Formes allotropiques du Carbone". En Carbone Dans Tous Ses Etats, 363–403. London: Routledge, 2023. http://dx.doi.org/10.4324/9781003211068-10.
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