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Multicolor XUV above threshold ionization of argon
Stockholm University, Faculty of Science, Department of Physics.
Number of Authors: 2
2015 (English)In: Journal of Physics B: Atomic, Molecular and Optical Physics, ISSN 0953-4075, E-ISSN 1361-6455, Vol. 48, no 24, 245202Article in journal (Refereed) Published
Abstract [en]

Argon photo-electron spectra produced by short-pulse extreme ultraviolet radiation, and with particular emphasis on the two-photon absorption region, is analyzed theoretically. The electromagnetic pulse is modeled to resemble experimentally available pulses and is built from a range of high-harmonics from an 800 nm laser. The photo-electron spectra show a characteristic peak structure due to the absorption of different combinations of photons, where the relative peak intensity is very sensitive to both the XUV pulse parameters and the target description. The theoretical result is further compared with experimental data, and good qualitative agreement is found.

Place, publisher, year, edition, pages
2015. Vol. 48, no 24, 245202
Keyword [en]
ATI, argon, XUV, laser ionization, two-photon ionization
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:su:diva-126784DOI: 10.1088/0953-4075/48/24/245202ISI: 000368622900024OAI: oai:DiVA.org:su-126784DiVA: diva2:943909
Available from: 2016-06-28 Created: 2016-02-15 Last updated: 2016-06-28Bibliographically approved

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Lindroth, Eva
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