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Liquid Carbon Reflectivity at 19 nm

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Dipartimento di Fisica e Geologia, Università degli Studi di Perugia, Via A. Pascoli, 06123 Perugia, Italy
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Elettra-Sincrotrone Trieste, SS 14 - km 163.5, 34149 Basovizza, Trieste, Italy
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Dipartimento di Fisica, Università degli studi di Trieste, via A. Valerio 2, I-34127 Trieste, Italy
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Author to whom correspondence should be addressed.
Photonics 2015, 2(1), 50-56; https://doi.org/10.3390/photonics2010050
Received: 15 December 2014 / Accepted: 5 January 2015 / Published: 9 January 2015
(This article belongs to the Special Issue Extreme UV Lasers: Technologies and Applications)
We hereby report on a pump-probe reflectivity experiment conducted on amorphous carbon, using a 780 nm laser as a pump and a 19 nm FEL emission as probe. Measurements were performed at 50 degrees with respect to the surface normal to have an un-pumped reflectivity higher than 0.5%. A sub-10 fs time synchronization error could be obtained exploiting the nearly jitter-free capabilities of FERMI. EUV FEL-based experiments open the way to study the behaviour of a liquid carbon phase being unaffected by plasma screening. View Full-Text
Keywords: liquid carbon; EUV reflectivity; pump-probe liquid carbon; EUV reflectivity; pump-probe
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Mincigrucci, R.; Giangrisostomi, E.; Principi, E.; Battistoni, A.; Bencivenga, F.; Cucini, R.; Gessini, A.; Izzo, M.G.; Masciovecchio, C. Liquid Carbon Reflectivity at 19 nm. Photonics 2015, 2, 50-56.

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