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.
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Dedicated to Prof. Dr. Herbert Welling on the occasion of his 60th birthday
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Wellegehausen, B., Hube, M. & Jin, F. Investigations on laser plasma soft X-ray sources generated with low energy laser systems. Appl. Phys. B 49, 173–178 (1989). https://doi.org/10.1007/BF00714633
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DOI: https://doi.org/10.1007/BF00714633