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Spatial resolving power of laser plasma ionography

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Abstract

Various biological objects have been studied by means of the proton radiography using laser-generated plasma as a source of ions. It is established that the best quality of imaging can be achieved using double laser targets comprising a hydrocarbon plastic film covered with a thin layer of heavy metal. The laminar character of the ion flux produced by such sources makes possible the imaging of objects with dimensions (∼2 μm) smaller than the ion beam spot size. The minimum size of an object that can be resolved by laser plasma ion-ography with proton beams is estimated.

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Authors and Affiliations

  1. Vavilov Optical Institute, State Scientific Center of the Russian Federation, St. Petersburg, 190164, Russia

    A. A. Andreev

  2. Research Institute for Complex Testing of Optoelectronic Devices and Systems, Sosnovyi Bor, Leningrad oblast, 188537, Russia

    V. A. Komarov & A. V. Charukhchev

  3. St. Petersburg State Polytechnic University, St. Petersburg, 195251, Russia

    K. Yu. Platonov

Authors
  1. A. A. Andreev
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  2. V. A. Komarov
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  3. K. Yu. Platonov
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  4. A. V. Charukhchev
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Additional information

Original Russian Text © A.A. Andreev, V.A. Komarov, K.Yu. Platonov, A.V. Charukhchev, 2007, published in Pis’ma v Zhurnal Tekhnicheskoĭ Fiziki, 2007, Vol. 33, No. 6, pp. 23–32.

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Andreev, A.A., Komarov, V.A., Platonov, K.Y. et al. Spatial resolving power of laser plasma ionography. Tech. Phys. Lett. 33, 239–243 (2007). https://doi.org/10.1134/S1063785007030169

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  • DOI: https://doi.org/10.1134/S1063785007030169

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