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Imagerie neutronique pour la fusion par confinement inertiel et imagerie optique moléculaire

Abstract : Scientific domains that require imaging of micrometric/nanometric objects are dramatically increasing (Plasma Physics, Astrophysics, Biotechnology, Earth Sciences...). Difficulties encountered in imaging smaller and smaller objects make this research area more and more challenging and in constant evolution. The two scientific domains, through which this study has been led, are the neutron imaging in the context of the inertial confinement fusion and the fluorescence molecular imaging. Work presented in this thesis has two main objectives. The first one is to describe the instrumentation characteristics that require such imagery and, relatively to the scientific domains considered, identify parameters likely to optimize the imaging system accuracy. The second one is to present the developed data analysis and reconstruction methods able to provide spatial resolution adapted to the size of the observed object. Similarities of numerical algorithms used in these two scientific domains , which goals are quiet different, show how micrometric/nanometric object imaging is a research area at the border of al large number of scientific disciplines
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Submitted on : Wednesday, April 17, 2013 - 4:55:12 PM
Last modification on : Thursday, September 1, 2022 - 11:08:53 AM
Long-term archiving on: : Thursday, July 18, 2013 - 4:08:24 AM


  • HAL Id : tel-00814825, version 1


Olivier Delage. Imagerie neutronique pour la fusion par confinement inertiel et imagerie optique moléculaire. Physique Atomique [physics.atom-ph]. Université Pierre et Marie Curie - Paris VI, 2010. Français. ⟨NNT : 2010PA066394⟩. ⟨tel-00814825⟩



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