Note: Enhancement of the extreme ultraviolet emission from a potassium plasma by dual laser irradiation

Takeshi Higashiguchi, Mami Yamaguchi, Takamitsu Otsuka, Takeshi Nagata, Hayato Ohashi, Bowen Li, Rebekah D'Arcy, Padraig Dunne, Gerry O'Sullivan

研究成果: ジャーナルへの寄稿学術論文査読

4 被引用数 (Scopus)

抄録

Emission spectra from multiply charged potassium ions ranging from K 3+ to K5+ 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 about 30% in EUV CE is readily attainable.

本文言語英語
論文番号096102
ジャーナルReview of Scientific Instruments
85
9
DOI
出版ステータス出版済み - 2014/09

ASJC Scopus 主題領域

  • 器械工学

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