<div class="csl-bib-body">
<div class="csl-entry">Schnürer, M., Streli, Ch., Wobrauschek, P., Hentschel, M., Kienberger, R., Spielmann, C., & Krausz, F. (2000). Femtosecond X-Ray fluorescence. <i>Physical Review Letters</i>, <i>85</i>(16), 3392–3395. https://doi.org/10.1103/PhysRevLett.85.3392</div>
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dc.identifier.issn
0031-9007
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dc.identifier.uri
http://hdl.handle.net/20.500.12708/221545
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dc.description.abstract
Using few-cycle-driven coherent laser harmonics, K-shell vacancies have been created in light elements, such as boron (E(B) = 188 eV) and carbon (E(B) = 284 eV), on a time scale of a few femtoseconds for the first time. The capability of detecting x-ray fluorescence excited by few-femtosecond radiation with an accuracy of the order of 1 eV paves the way for probing the evolution of the microscopic environment of selected atoms in chemical and biochemical reactions on previously inaccessible time scales (<100 fs) by tracing the temporal evolution of the "chemical shift" of peaks associated with inner-shell electronic transitions in time-resolved x-ray fluorescence and photoelectron spectra.
