X-ray emission analysis of a plasma source using an yttrium and a mylar target for the generation of 2.48 nm wavelength microbeam

Libero Palladino, Ramon Gimenez De Lorenzo, Maurizio Di Paolo Emilio, Tania Limongi*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

In this work, the characteristics of X-ray beam generated from a plasma produced by focusing a Nd-Yag/glass laser beam on mylar or yttrium target were presented. For each target material, the conversion efficiencies of the soft X-ray emission in two different energy ranges, (i) 300-510 eV (almost coincident with the Water Window), (ii) 450-850 eV were measured. The experimental results of the conversion efficiencies will be utilized at the PLASMA-X laboratory of L'Aquila University for the realization of an intense monochromatic X-ray microbeam to be used in radiobiological and in transmission X-ray microscopy applications. In the presented experimental set-up, at the wavelength of 2.48 nm, a monochromatic soft X-rays beam was collected by multilayer spherical mirrors reflecting at an incidence angle close to the normal of the surface. The optical system geometry, the monochromatic beam intensity and the measures of efficiency of conversion of X-ray were described in this paper [5].

Original languageEnglish (US)
Pages (from-to)119-123
Number of pages5
JournalApplied Surface Science
Volume272
DOIs
StatePublished - May 1 2013

Keywords

  • Plasma source
  • X-ray microbeam

ASJC Scopus subject areas

  • Surfaces, Coatings and Films

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