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Production of laser-heated plasma in high-pressure Ar gas and emission characteristics of vacuum ultraviolet radiation from Ar2 excimers

  • H. Tanaka
  • , A. Takahashi
  • , T. Okada
  • , M. Maeda
  • , K. Uchino
  • , T. Nishisaka
  • , A. Sumitani
  • , H. Mizoguchi

Research output: Contribution to journalArticlepeer-review

Abstract

A new pump scheme for the realization of a practical Ar2 excimer laser operating at 126 nm has been proposed and investigated experimentally. In this scheme, pre-ionized high-pressure Ar gas was excited by an intense transversely-excited atmospheric (TEA) CO2 laser irradiation. A 100-mm-long line plasma was successfully produced at an argon gas pressure of 2 MPa. The vacuum ultraviolet emission at 126 nm from the Ar2 excimers was observed and its emission characteristics were investigated under various experimental conditions.

Original languageEnglish
Pages (from-to)323-326
Number of pages4
JournalApplied Physics B: Lasers and Optics
Volume74
Issue number4-5
DOIs
Publication statusPublished - Apr 2002

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)
  • General Physics and Astronomy

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