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Single crystal silicon carbide detector of emitted ions and soft x rays from power laser-generated plasmas
University of Messina, Italy.
University of Catania, Italy.
University of Messina, Italy.
University of Catania, Italy.
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2009 (English)In: Journal of Applied Physics, ISSN 0021-8979, E-ISSN 1089-7550, Vol. 105, 123304-1-123304-7 p.Article in journal (Refereed) Published
Abstract [en]

A single-crystal silicon carbide SiC detector was used for measurements of soft x rays, electrons, and ion emission from laser-generated plasma obtained with the use of the Prague Asterix Laser System PALS at intensities of the order of 1016 W/cm2 and pulse duration of 300 ps. Measurements were performed by varying the laser intensity and the nature of the irradiated target. The spectra obtained by using the SiC detector show not only the photopeak due to UV and softx-ray detection, but also various peaks due to the detection of energetic charged particles. Time-of-flight technique was employed to determine the ion kinetic energy of particles emitted from the plasma and to perform a comparison between SiC and traditional ion collectors. The detector was also employed by inserting absorber films of different thickness in front of the SiC surface inorder to determine, as a first approximation, the mean energy of the soft x-ray emission from the plasma.

Place, publisher, year, edition, pages
American Institute of Physics (AIP), 2009. Vol. 105, 123304-1-123304-7 p.
Keyword [en]
Silicon carbide, x-ray detector, laser, plasma, time of flight
National Category
Physical Sciences
URN: urn:nbn:se:liu:diva-109934DOI: 10.1063/1.3153160OAI: diva2:741678

Work supported by ASCR (project number IAA 100100715), and by the Italian National Institute of Nuclear Physics (INFN), Team V, within the PLEIADI project.

Available from: 2014-08-28 Created: 2014-08-28 Last updated: 2014-09-29Bibliographically approved

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Puglisi, Donatella
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