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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 10 — May. 20, 2013
  • pp: 12831–12842

Emission properties of ns and ps laser-induced soft x-ray sources using pulsed gas jets

Matthias Müller, Frank-Christian Kühl, Peter Großmann, Pavel Vrba, and Klaus Mann  »View Author Affiliations

Optics Express, Vol. 21, Issue 10, pp. 12831-12842 (2013)

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The influcence of the pulse duration on the emission characteristics of nearly debris-free laser-induced plasmas in the soft x-ray region (λ ≈1-5 nm) was investigated, using six different target gases from a pulsed jet. Compared to ns pulses of the same energy, a ps laser generates a smaller, more strongly ionized plasma, being about 10 times brighter than the ns laser plasma. Moreover, the spectra are considerably shifted towards shorter wavelengths. Electron temperatures and densities of the plasma are obtained by comparing the spectra with model calculations using a magneto-hydrodynamic code.

© 2013 OSA

OCIS Codes
(300.6170) Spectroscopy : Spectra
(350.5400) Other areas of optics : Plasmas
(260.6048) Physical optics : Soft x-rays

ToC Category:
X-ray Optics

Original Manuscript: March 22, 2013
Revised Manuscript: May 8, 2013
Manuscript Accepted: May 10, 2013
Published: May 17, 2013

Matthias Müller, Frank-Christian Kühl, Peter Großmann, Pavel Vrba, and Klaus Mann, "Emission properties of ns and ps laser-induced soft x-ray sources using pulsed gas jets," Opt. Express 21, 12831-12842 (2013)

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