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Ionography of nanostructures with the use of a laser plasma of cluster targets |
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| Authors: | A. Ya. Faenov T. A. Pikuz Y. Fukuda M. Kando H. Kotaki T. Homma K. Kawase T. Kameshima A. Pirozhkov A. Yogo M. Tampo M. Mori H. Sakaki I. Hayashi T. Nakamura S. A. Pikuz Jr. V. Kartashev I. Yu. Skobelev A. Giulietti C. A. Checchetti A. S. Boldarev V. A. Gasilov A. I. Magunov S. Kar M. Borghesi P. Bolton H. Daido T. Tajima I. Kato S. V. Bulanov |
| Affiliation: | 1. Kansai Photon Science Institute, Japan Atomic Energy Agency, Kizugawa city, Kyoto, 619-0215, Japan 2. Joint Institute for High Temperatures, Russian Academy of Sciences, Izhorskaya ul. 13/19, Moscow, 127412, Russia 3. ILIL-Istituto per i Processi Chimico-Fisici CNR, 56124, Pisa, Italy 4. Institute of Mathematical Modeling, Russian Academy of Sciences, Miusskaya pl. 4a, Moscow, 125047, Russia 5. Prokhorov General Physics Institute, Russian Academy of Sciences, ul. Vavilova 38, Moscow, 117942, Russia 6. The Queen’s University of Belfast, Belfast, BT7 INN, UK 7. The Graduate School for the Creation of New Photonics Industries, Hamamatsu, Japan |
| Abstract: | It has been shown that a femtosecond plasma of cluster targets is an almost isotropic source of fast ions and, hence, can be used to obtain ionographic images with a wide field of view. The spatial resolution of the resulting ionographic images is no worse than 600 nm, which corresponds to a uniquely high value of about 105 of the ratio of the field of view to the resolution. The use of 100–300-keV ion fluxes ensures the sensitivity of the method to the sample thickness of no worse than 100 nm even for samples consisting of light chemical elements (C, H). The proposed method can be used to obtain images of low-contrast biological objects, thin films, membranes, and other nanostructured objects. |
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