Extreme ultraviolet tomography of multi-jet gas puff target for high-order harmonic generation |
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| Authors: | P W Wachulak ? W?grzyński Z Zápra?ný A Bartnik T Fok R Jarocki J Kostecki M Szczurek D Korytár H Fiedorowicz |
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| Institution: | 1. Institute of Optoelectronics, Military University of Technology, ul. gen. S. Kaliskiego 2, 00-908, Warsaw, Poland
2. Institute of Electrical Engineering, Slovak Academy of Sciences, Dúbravská cesta 9, 841 04, Bratislava, Slovakia
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| Abstract: | A volume, tomographic reconstruction of a novel, multi-jet gas puff target, developed for possible applications in high-order harmonic generation (HHG), is presented. The target, produced by pulsed injection of argon gas through nozzle in a form of linearly oriented small orifices, has been characterized in the extreme ultraviolet at 13.5 nm wavelength. Target density estimations were performed, and 3-D representation of pulsed gaseous target has been obtained by combining 2-D shadowgram images, recorded at various rotation angles. More detailed information about higher-order jets, formed as a result of collisions of primary jets, was obtained. Tomographic studies of such type of targets dedicated for HHG have been obtained to our knowledge for the first time. |
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