Ionography of Submicron Foils and Nanostructures Using Ion Flow Generated in FS-Laser Cluster Plasma

A.Y. Faenov, T.A. Pikuz, S.A. Pikuz, Y. Fukuda, M. Kando, H. Kotaki, T. Homma, K. Kawase, T. Kameshima, A. Pirozhkov, A. Yogo, M. Tampo, V. Kartashev, I.Y. Skobelev, S.V. Gasilov, A.S. Boldarev, V.A. Gasilov, A. Magunov, Satyabrata Kar, Marco BorghesiA. Giulietti, C.A. Cecchetti, M. Mori, H. Sakaki, Y. Hayashi, P. Bolton, T. Nakamura, H. Daido, T. Tajima, Y. Kato, S.V. Bulanov

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3 Citations (Scopus)


A novel type of submicron ion radiography designed to image low-contrast objects, including nanofoils, membranes and biological structures, is proposed. It is based on femtosecond-laser-driven-cluster- plasma source of multicharged ions and polymer dosimeter film CR-39. The intense isotropic ion flow was produced by femtosecond Ti:Sa laser pulses with intensity similar to 4x10(17) W/cm(2) absorbed in the supersonic jet of the mixed He and CO2 gases. Two Focusing Spectrometers with Spatial Resolution (FSSR) were used to measure X-ray spectra of H-and He-like multicharged oxygen ions. The spectra testify that ions with energy more than 300 keV were radiated in different directions from the plasma source. High contrast ion radiography images were obtained for 2000 dpi metal mesh, 1 mu m polypropylene and 100 nm Zr foils as well as for the different biological objects. Images were recorded on a 1 mm thick CR-39 detector, placed in contact with back surface of the imaged samples at the distances 140 -160 mm from the ion source. The spatial resolution of the image no worse than 600 nm was provided. A difference in object thickness of 100 nm was very well resolved for both Zr and polymer foils. The ion radiography images recorded at different angles from the source, demonstrated almost uniform spatial distribution of ion with total number of 10(8) per shot. (C) 2009 WILEY-VCH Vertag GmbH & Co. KGaA, Weinheim
Original languageEnglish
Pages (from-to)507-516
Number of pages10
JournalContributions to Plasma Physics
Issue number7
Publication statusPublished - Sep 2009

ASJC Scopus subject areas

  • Condensed Matter Physics


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