Note: Enhancement of the extreme ultraviolet emission from a potassium plasma by dual laser irradiation
T Higashiguchi, M Yamaguchi, T Otsuka… - Review of Scientific …, 2014 - pubs.aip.org
Emission spectra from multiply charged potassium ions ranging from K 3+ to K 5+ have been
obtained in the extreme ultraviolet (EUV) spectral region. A strong emission feature peaking
around 38 nm, corresponding to a photon energy of 32.6 eV, is the dominant spectral feature
at time-averaged electron temperatures in the range of 8− 12 eV. The variation of this
emission with laser intensity and the effects of pre-pulses on the relative conversion
efficiency (CE) have been explored experimentally and indicate that an enhancement of …
obtained in the extreme ultraviolet (EUV) spectral region. A strong emission feature peaking
around 38 nm, corresponding to a photon energy of 32.6 eV, is the dominant spectral feature
at time-averaged electron temperatures in the range of 8− 12 eV. The variation of this
emission with laser intensity and the effects of pre-pulses on the relative conversion
efficiency (CE) have been explored experimentally and indicate that an enhancement of …
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