EBIT spectroscopy of highly charged heavy ions relevant to hot plasmas

Nobuyuki Nakamura, Xiao Bin Ding, Chen Zhong Dong, Hirohisa Hara, Daiji Kato, Fumihiro Koike, Izumi Murakami, Tomohide Nakano, Hayato Ohashi, Hiroyuki A. Sakaue, Hirofumi Watanabe, Tetsuya Watanabe, Norimasa Yamamoto

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

We present spectra of highly charged iron, gadolinium, and tungsten ions obtained with electron beam ion traps. Spectroscopic studies of these ions are important to diagnose and control hot plasmas in several areas. For iron ions, the electron density dependence of the line intensity ratio in extreme ultraviolet spectra is investigated for testing the model calculation used in solar corona diagnostics. Soft x-ray spectra of gadolinium are studied to obtain atomic data required in light source development for future lithography. Tungsten is considered to be the main impurity in the ITER plasma, and thus visible and soft x-ray spectra of tungsten have been observed to explore the emission lines useful for the spectroscopic diagnostics of the ITER plasma.

Original languageEnglish
Title of host publicationEighth International Conference on Atomic and Molecular Data and Their Applications, ICAMDATA 2012
Pages62-71
Number of pages10
DOIs
StatePublished - 2013
Event8th International Conference on Atomic and Molecular Data and Their Applications, ICAMDATA 2012 - Gaithersburg, MD, United States
Duration: 2012/09/302012/10/04

Publication series

NameAIP Conference Proceedings
Volume1545
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference8th International Conference on Atomic and Molecular Data and Their Applications, ICAMDATA 2012
Country/TerritoryUnited States
CityGaithersburg, MD
Period2012/09/302012/10/04

Keywords

  • electron beam ion trap
  • extreme ultraviolet spectra, x-ray spectra
  • highly charged ions
  • highly charged iron
  • highly charged tungsten
  • visible spectra

ASJC Scopus subject areas

  • General Physics and Astronomy

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