The technique of using two laser-produced plasmas for absorption spectroscopy of moderately ionized species has been greatly improved. In particular a new signal detection system and a new data processing technique have been applied in the experiment with quite good results as regards both signal to noise ratio and spectral resolution. The absorption spectra of the 1s electron of the Be IV, III, II, I ions are shown together with the corresponding computed photoionization cross section spectra in the XUV as an example of the performances of the experiment.
An Experiment for Absorption Spectroscopy in the XUV of Light Ions
NICOLOSI, PIERGIORGIO;TONDELLO, GIUSEPPE
1987
Abstract
The technique of using two laser-produced plasmas for absorption spectroscopy of moderately ionized species has been greatly improved. In particular a new signal detection system and a new data processing technique have been applied in the experiment with quite good results as regards both signal to noise ratio and spectral resolution. The absorption spectra of the 1s electron of the Be IV, III, II, I ions are shown together with the corresponding computed photoionization cross section spectra in the XUV as an example of the performances of the experiment.
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