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Time-resolved soft X-ray Absorption spectroscopy of molecules in the gas and liquid phases

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Director
Defense Thèse de doctorat : Univ. Genève, 2019 - Sc. 5353 - 2019/05/17
Abstract My thesis relates on the study of ultrafast molecular dynamics through the development of a soft X-ray laser source. The transient absorption experiment described in this manuscript combines the latest generation of femtosecond lasers with a vacuum spectroscopy system enabling time-resolved measurements of samples at the low femtosecond timescale with a transmission geometry. The technique relies on the generation of high order harmonics (HHG). Using the atomic selectivity of high energies and the temporal coherence of laser technology, we demonstrate the observation of the first stages of chemical transformation of matter in the gas and liquid phases.
Keywords High harmonic generationHHGUltrafastSpectroscopyTime-resolvedTransientAbsorptionSoft X-rayFemtosecondAttosecondLaserTechnologyGasLiquidTransmissionPump-probeElectronPhotonMoleculeMolecularExcitationTemporal
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URN: urn:nbn:ch:unige-1282495
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Thesis (4.6 MB) - public document Free access
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Research group Groupe Wolf
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SCHMIDT, Cédric. Time-resolved soft X-ray Absorption spectroscopy of molecules in the gas and liquid phases. Université de Genève. Thèse, 2019. doi: 10.13097/archive-ouverte/unige:128249 https://archive-ouverte.unige.ch/unige:128249

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Deposited on : 2020-01-06

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