Journal
SCIENTIFIC REPORTS
Volume 4, Issue -, Pages -Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/srep04724
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Funding
- French Agence Nationale de la Recherche [ANR-09-BLAN-0206-01, ANR-10-IDEX-03-02]
- Conseil Regional d'Aquitaine [2010-13-04-002]
- CNRS PEPS program
- NRF of Korea [2013R1A1A1007084]
- TBP project of GIST
- DOE Office of Science, Fusion Energy Science [SF00515]
- Agence Nationale de la Recherche (ANR) [ANR-09-BLAN-0206] Funding Source: Agence Nationale de la Recherche (ANR)
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The rapidly growing ultrafast science with X-ray lasers unveils atomic scale processes with unprecedented time resolution bringing the so called molecular movie'' within reach. X-ray absorption spectroscopy is one of the most powerful x-ray techniques providing both local atomic order and electronic structure when coupled with ad-hoc theory. Collecting absorption spectra within few x-ray pulses is possible only in a dispersive setup. We demonstrate ultrafast time-resolved measurements of the LIII-edge x-ray absorption near-edge spectra of irreversibly laser excited Molybdenum using an average of only few x-ray pulses with a signal to noise ratio limited only by the saturation level of the detector. The simplicity of the experimental set-up makes this technique versatile and applicable for a wide range of pump-probe experiments, particularly in the case of non-reversible processes.
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