Investigations on laser plasma soft X-ray sources generated with low energy laser systems |
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Authors: | B. Wellegehausen M. Hube F. Jin |
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Affiliation: | (1) Institut für Quantenoptik, Universität, Welfengarten 1, D-3000 Hannover 1, Fed. Rep. Germany;(2) Harbin Institute of Technology, Harbin, P.R. China |
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Abstract: | Spectra of laser-induced plasmas at low laser energies and intensities (around 100 mJ and 1010 W cm–2 respectively) have been recorded in the spectral range of 20 to 100 nm for different target materials, laser intensities at the target and laser wavelengths. For heavy target materials, a broadband spectrum with a spectral maximum typically around 30 nm is obtained. This broadband radiation source is well suited for photoionization processes and the generation of short wavelength inner-shell photoionization lasers. For the cadmium-photoionization laser, the influence of different soft X-ray spectra on the laser energy has been investigated. The potential of laser plasma soft X-ray sources for scientific and technical applications is briefly reviewed.Dedicated to Prof. Dr. Herbert Welling on the occasion of his 60th birthday |
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Keywords: | 52.50.Jm 42.55.-f |
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