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Ultrashort 1-kHz laser plasma hard x-ray source
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2002 (English)In: Optics Letters, ISSN 0146-9592, E-ISSN 1539-4794, Vol. 27, no 10, 866-868 p.Article in journal (Refereed) Published
Abstract [en]

We achieved a continuous, stable, ultrashort pulse hard x-ray point source by focusing 1.8-W, 1-kHz, 50-fs laser pulses onto a novel, 30-mum-diameter, high-velocity, liquid-metal gallium jet. This target geometry avoids most of the debris problems of solid targets and provides nearly 4pi illumination. Photon fluxes of 5 X 10(8) photons/s are generated in a two-component spectrum consisting of a broad continuum from 4 to 14 keV and strong K-alpha and K-beta emission lines at 9.25 and 10.26 keV. This source will find wide use in time-resolved x-ray diffraction studies and other applications.

Place, publisher, year, edition, pages
2002. Vol. 27, no 10, 866-868 p.
Keyword [en]
liquid-jet target, repetition rate, femtosecond laser, euv source, generation, pulses, crystallography, terawatt
URN: urn:nbn:se:kth:diva-21568ISI: 000175786100024OAI: diva2:340266
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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Vogt, Ulrich
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