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Influence of laser intensity and pulse duration on the extreme ultraviolet yield from a water jet target laser plasma
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2001 (English)In: Applied Physics Letters, ISSN 0003-6951, E-ISSN 1077-3118, Vol. 79, no 15, 2336-2338 p.Article in journal (Refereed) Published
Abstract [en]

Extreme ultraviolet (EUV) emission in the 11-15 nm wavelength range from a thin liquid water jet target under illumination with a high repetition rate, high average power laser (Nd-YLF) has been studied. To find the optimum conversion efficiency of laser light into EUV radiation, different laser parameters were applied. The laser intensity was varied between 10(11) and 10(15) W/cm(2), and pulse duration in the range from 30 ps to 3 ns. A maximum conversion efficiency of 0.12% in 2.2% bandwidth and 4 pi steradian at 13 nm was achieved at a repetion rate of 250 kHz, and a strong dependence of the conversion efficiency on both laser intensity and pulse duration was found.

Place, publisher, year, edition, pages
2001. Vol. 79, no 15, 2336-2338 p.
Keyword [en]
x-ray generation, euv source
URN: urn:nbn:se:kth:diva-20986ISI: 000171359100010OAI: diva2:339683
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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Vogt, Ulrich
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