Literatura académica sobre el tema "Détecteurs à lecture optique"
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Artículos de revistas sobre el tema "Détecteurs à lecture optique"
Mousseau, Fanny, Chao Yu, Antigoni Alexandrou y Cédric Bouzigues. "L’imagerie optique de nanoparticules luminescentes : de la détection de biomolécules au diagnostic in vitro". Photoniques, n.º 106 (enero de 2021): 30–33. http://dx.doi.org/10.1051/photon/202110630.
Texto completoMerunka, Dwight y Alain Quaghebeur. "Les panels consommateurs scannerisés". Décisions Marketing N° 5, n.º 2 (1 de junio de 1995): 95–105. http://dx.doi.org/10.3917/dm.05.0095.
Texto completoBoujday, Souhir y Michèle Salmain. "Nanoparticules d’or pour les biocapteurs : lecture optique de la reconnaissance moléculaire". Photoniques, n.º 106 (enero de 2021): 39–43. http://dx.doi.org/10.1051/photon/202110639.
Texto completoPoughon, Jean-Michel. "1804-2004 : D’une lecture civiliste de l’économique à une lecture économique du droit civil ?" Les Cahiers de droit 46, n.º 1-2 (12 de abril de 2005): 427–44. http://dx.doi.org/10.7202/043847ar.
Texto completoFour, M., C. Chauffour, A. Delabaere, B. Pereira, V. Sapin y D. Gallot. "Concordance entre la lecture optique automatisée et la lecture visuelle double pour deux tests de rupture des membranes". Gynécologie Obstétrique Fertilité & Sénologie 47, n.º 1 (enero de 2019): 18–22. http://dx.doi.org/10.1016/j.gofs.2018.11.012.
Texto completoRoche-Rabreau, Danièle. "Comment permettre la mise place d’une dynamique d’alliance thérapeutique entre une famille et une équipe de soins lors d’une première hospitalisation pour un épisode psychotique". Perspectives Psy 59, n.º 1 (enero de 2020): 18–23. http://dx.doi.org/10.1051/ppsy/202059018.
Texto completoLessassy, Léopold. "La lecture optique en hypermarché. Essai sur les difficultés qu'elle génère dans l'organisation du travail". La Revue des Sciences de Gestion, Direction et Gestion, n.º 167 (octubre de 1997): 33–44. http://dx.doi.org/10.1051/larsg:1997035.
Texto completoBraat, J. "Calcul efficace de l'intensité image en microscopie confocale appliqué à la lecture d'un disque optique". Annales de Physique 24, n.º 3 (1999): 31–42. http://dx.doi.org/10.1051/anphys:199903004.
Texto completoGicquel, Samuel. "Les Amérindiens du Canada vus par les missionnaires oblats bretons (fin xixe-début xxe siècle)". Port Acadie, n.º 24-25-26 (31 de octubre de 2013): 334–46. http://dx.doi.org/10.7202/1019142ar.
Texto completoIzzo, Sara. "La Méditerranée chez Paul Valéry: De l’épiphanie marine à l’humanisme méditerranéen". Mediterranea. International Journal on the Transfer of Knowledge 9 (23 de abril de 2024): 469–86. http://dx.doi.org/10.21071/mijtk.v9i.16671.
Texto completoTesis sobre el tema "Détecteurs à lecture optique"
Conforti, Di Lorenzo Selma. "Développement et caractérisation d’un ASIC de lecture de macro-cellule de photo-détecteurs de grande dimension". Paris 11, 2010. http://www.theses.fr/2010PA112142.
Texto completoPMm² is a project founded for three years by the French National Agency for Research (ANR) with the complete title: “Innovative electronics for photo-detectors array used in high energy physics and astroparticles”. The project proposes to segment the large surface of photo-detection in macro pixel consisting of an array of 16 PMTs of 12-inches (2*2 m²), connected to an autonomous front-end electronics which works in a triggerless data acquisition mode placed near the array. This is possible thanks to the microelectronics progress that allows to integrate the read out and the signal processing, of all the photomultipliers, in the same circuit (ASIC) named PARISROC (Photomultiplier ARray Integrated in SiGe Read Out Chip). The ASIC must send out only the digital data by network to the surface central data storage. The PARISROC Chip, made in AMS 0. 35 µm technology, integrates 16 independent channels for each PMTs of the array, providing charge and time measurements. The first prototype of PARISROC chip has a total surface of 19 mm². It has been sent for fabrication in June 2008 to AMS foundry (AustriaMicroSystems) through the CMP (Multi Project Center) and received in December 2008. The ASIC measurements have led to the realization of a second prototype. Important measurements were brought in terms of noise, dynamic range, read out frequency (from 10 MHz to 40 MHz), time measurements (TDC improvements) and charge measurements (Slow shaper improvements). Sent for fabrication in November 2009 and received in February 2010, this new prototype PARISROC 2 has been tested and the characterisation has shown a good overall behavior and the verification of the improvements
Tareb, Malica. "Systèmes de lecture et d'acquisition de données pour un détecteur photomultiplicateur sensible à la position, associée [i. E. Associé] à des fibres scintillantes". Chambéry, 1994. http://www.theses.fr/1994CHAMS014.
Texto completoCools, Antoine. "Beta and neutron imaging with an optical readout Micromegas detector". Electronic Thesis or Diss., université Paris-Saclay, 2024. http://www.theses.fr/2024UPASP090.
Texto completoGaseous detectors have demonstrated, over the past decades, their high performance for imaging radioactive particles, achieving spatial resolutions below 100 µm. The scintillating properties of certain gas mixtures, combined with the significant gain of gaseous detectors and the use of a low-noise camera, have enabled the use of scintillation light for imaging. This approach allows for a large detection surface and high spatial resolution while achieving real-time imaging at a low cost per pixel, with low data analysis complexity. The main objectives of this thesis are to optimize the spatial resolution and sensitivity of the detector, either by an "event-by-event" acquisition method with short image acquisition times or by "integration" with long acquisition times.An innovative glass Micromegas detector for optical readout has been developed, taking advantage of the inherently high spatial resolution of the Micromegas detector. The adaptability of the Micromegas detector's gain, due to the avalanche amplification mechanism, allows it to cover a wide range of particle fluxes and energies. During this thesis, imaging measurements were performed using sources with radioactivity levels below one Becquerel and energies of a few keV, up to fluxes characteristic of a synchrotron and a spallation source, with energies exceeding one MeV.The light yield of the detector was studied for different gas mixtures and various gain values under X-ray irradiation to optimize the detector's sensitivity. The homogeneity and precision of the detector's response were characterized by X-ray radiography. The Point Spread Function (PSF) of the optical readout Micromegas was measured using a parallel X-ray beam a few microns thick, generated by synchrotron radiation. This measurement allowed us to determine the detector's spatial resolution for different configurations and to identify and quantify the effects involved. The impact of the micro-mesh and pillars on the detector's scintillation response was also observed and quantified.Two applications were chosen to illustrate the potential of the optical readout Micromegas: autoradiography, for the quantification of very low-activity tritiated samples and high-resolution neutron radiography in highly radioactive environments.Autoradiography and radioactive counting of low-energy beta radiation were performed with tritiated glucose samples. Activities below one Becquerel were measured accurately and simultaneously on a large number of samples, while ensuring precise reconstruction of their position. This work validates the possibility of quantifying the concentration of anticancer drugs at the scale of single tumor cells.Finally, the use of the optical readout Micromegas for neutron imaging was demonstrated using a spallation source which produces thermal neutrons with a flux of approximately 10⁸ n. s⁻¹cm⁻ ² mA⁻¹. The uniformity of the detector's response was studied, and the effects of the diffusion and the mean free path of particles in the gas on image sharpness were measured and compared to a simulation. A spatial resolution on the order of 400 µm was achieved using double-stage amplification within the Micromegas detector
Cervelli, Giovanni. "Analyse, caractérisation et optimisation d'une liaison optique analogique pour l'extraction des données d'un détecteur de particules". Grenoble INPG, 1999. http://www.theses.fr/1999INPG0032.
Texto completoGaschet, Christophe. "Détecteurs courbes et déformables : applications multidisciplinaires". Thesis, Aix-Marseille, 2018. http://www.theses.fr/2018AIXM0601/document.
Texto completoIn the past few years, curved sensors have been proposed to enhance optical systems. The curvature of these sensors improves off-axis aberrations, such as field curvature, which provides a better resolution and less complex optical systems.This work studies deformable and curved sensors development in a multidisciplinary approach. Firstly, scene and curved sensors are theoretically linked. The form and the position of the object change the curvature of the best image plane, leading to new relations adapted to optical systems with deformable sensors. Gains in compactness are also demonstrated. These investigations merge into a new methodology adapted to optical systems based on curved sensors that has been developed. The first step is to determine mechanical limits of the sensor such as maximum bending without breakage. Based on these limits, a new compact architecture is developed, providing high resolution and good field of view. New tolerances are determined to manufacture a system with its opto-mechanical mount. Finally, the entire imaging system is characterized. The form of the curved sensor is analyzed, showing few deviations from the ideal sphere. Electro-optical characterizations are realized and the image quality is determined according to the object distance, showing the effects of the deformable curvature. The ideal curved focal plane is also determined by combining a flat sensor to the manufactured optical system
Antoni, Thomas. "Structures de couplage optique originales pour les détecteurs infrarouge à puits quantiques". Phd thesis, Université Paris-Diderot - Paris VII, 2009. http://tel.archives-ouvertes.fr/tel-00441495.
Texto completoBellouati-Ghazi, Amal. "Détecteur de référence pour les mesures de rayonnements à faible flux". Paris, CNAM, 2003. http://www.theses.fr/2003CNAM0420.
Texto completoThe parametric down conversion of photons generated in a non-linear crystal gives rise to two correlated photons. Associated to a system of counting of coincidences, this phenomena makes possible the quantum effiency measurments of detectors working on photon counting levels, without using neither sources nor detectors of references. This new method was developped at the BNM-INM with the aim to realize new standards detectors in the field of weak flows. It allows the determination of efficiency of one BNM-INL detectors made possible to confront the exactitude of the measuring equipment. This detector was also made object of comparison with the French reference of radiometry, the cryogenic radiometer, the results were in agreement with uncertainties of measurements
Bleuse, Olivier. "Développement de la lecture optique par lumière diffusée des gels dosimétriques". Thesis, Bourgogne Franche-Comté, 2018. http://www.theses.fr/2018UBFCE018.
Texto completoThe most advanced techniques in radiotherapy have now become standard in the treatment of malignant tumors. However, these modern techniques have the particularity of providing complex distributions of the dose in order to better target the tumor volume to be treated and to better protect the healthy tissue surrounding the target volume. As a result, the problem of quality assurance is becoming increasingly important in radiophysics units within radiotherapy departments. To overcome the lack of current detectors, a three-dimensional approach is necessary to guarantee the quality of treatments. Several techniques are under development, including dosimetric gels. However, reading techniques are subject to different types of artifacts limiting their integration into daily uses.This work consisted to develop a new optical reading technique dedicated to dosimetric gels, especially polymer gels. This method based on the measurement of scattered intensity uses a spherical approach of radioformed domains.Using the polarization rate technique, the developed prototype proposes to link the scattered intensity of an homogeneous spherical particle whose size evolves as a function of the absorbed dose. To demonstrate this feasibility approach, a characterization of the polymer gels was carried out, in particular the study of the refractive index as a function of the absorbed dose. This information made it possible to carry out numerical modeling which was then confronted to the experimentation
Bichler, Anthony. "Modélisation et simulation de la propagation optique dans une fibre optique multimode précontrainte : conception de capteurs à fibre optique à modulation d’intensité dédiés à la mesure de températures et d’étirements". Strasbourg, 2011. https://publication-theses.unistra.fr/public/theses_doctorat/2011/BICHLER_Anthony_2011.pdf.
Texto completoThis manuscript presents the modeling, simulation and design of a new kind of light modulation optical fiber sensor for temperature and strain measurement. The transducer consists of a multimode fiber step index clamped between two micro-structured jaws. The clamping effect generates local periodical perturbations of both the geometry and the fiber refraction indexes (core and optical cladding). In order to compute the radiative coupling occurring when the waveguide is perturbated by a mechanical deformation of short period, we have chosen to use an electromagnetic model of modes coupling initially developed by Dietrich Marcuse. The simulation allowed us to determine the transducer sensitivity according to its specific characteristics. From these results we have chosen the parameters useful to design the sensor versus the aimed application. The first jaws prototypes of transducers have been microstructured in rectangular pattern etched in metal by femto-second laser micromachining. The elementary pattern size was of 20 micrometers of depth and the pattern layout period was ranging from 50 micrometers to 100 micrometers. After evaluation, we proposed to develop a large scale fabrication process of the jaws using plastic injection which was very efficient. The experimental tests of the first sensor prototypes allowed the validation of the computing models and showed a linear response of the sensor versus the measured physical parameter. We present the static and dynamic calibration methods that we have implemented to establish the metrological specifications of the sensor
Carras, Mathieu. "Optimisation électronique et électromagnétique de détecteurs quantiques dans l'infrarouge". Paris 7, 2008. http://www.theses.fr/2008PA077227.
Texto completoLibros sobre el tema "Détecteurs à lecture optique"
Desvignes, François. Détection et détecteurs de rayonnements optiques. Paris: Masson, 1987.
Buscar texto completoInstitut National de la Planification et de la Statistique, ed. Cours de Comptabilite Nationale: Optique-lecture intégrée de la comptabilité nationale. 2a ed. Algeria: Office des Publications Universitaire / OPU, 2003.
Buscar texto completoP, De Paula Ramon, Society of Photo-optical Instrumentation Engineers. y Automated Imaging Association, eds. Fiber optic and laser sensors XI: 7-8 September 1993, Boston, Massachusetts. Bellingham, Wash., USA: SPIE, 1994.
Buscar texto completoBahram, Javidi, ed. Image recognition and classification: Algorithms, systems, and applications. New York: Marcel Dekker, 2002.
Buscar texto completoPerrone, Guido (Professor of Electronics and Telecommunications), author, ed. Fiber-optic sensors for biomedical applications. Boston, MA: Artech House, 2018.
Buscar texto completoWilkins, Arnold J. Reading through colour: How coloured filters can reduce reading difficulty, eye strain, and headaches. Chichester, West Sussex, England: John Wiley & Sons, 2003.
Buscar texto completoIntroduction to wavefront sensors. Bellingham, Wash., USA: SPIE Optical Engineering Press, 1995.
Buscar texto completoIntroduction to Wavefront Sensors. SPIE, 1995.
Buscar texto completoThe relations of optic nerve atrophy to general medicine: A clinical lecture delivered before the class of the Post-Graduate Medical School, March 24, 1897. [S.l: s.n., 1986.
Buscar texto completoThe relations of optic nerve atrophy to general medicine: A clinical lecture delivered before the class of the Post-Graduate Medical School, March 24, 1897. [S.l: s.n., 1986.
Buscar texto completoCapítulos de libros sobre el tema "Détecteurs à lecture optique"
Scalzo, Marcello. "Hervé Morvan, Artist and Poet of the “optique de la rue”". En Lecture Notes in Networks and Systems, 617–26. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-25906-7_69.
Texto completoOMBAKANÉ, Simon. "« Ce Rendez-vous avec la gloire » de Jean-Denis Bredin ou la pédagogie de la création littéraire". En Sous le signe du signe ou l’art d’être sémioticien, 143–56. Editions des archives contemporaines, 2022. http://dx.doi.org/10.17184/eac.4807.
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