Calibration of time- and space-resolving vacuum ultraviolet spectrograph for plasma diagnostics in the tandem mirror GAMMA 10

Masayuki Yoshikawa, Katsunori Ikeda, Yuuji Okamoto, Eiichirou Kawamori, Takahiro Ito, Naohiro Yamaguchi, Atsushi Mase, Teruo Tamano, Kiyoshi Yatsu

Research output: Contribution to journalArticlepeer-review

Abstract

A time- and space-resolving vacuum ultraviolet (VUV) spectrograph has been developed and is applied as an impurity diagnostic in the tandem mirror GAMMA 10. The VUV spectrograph enables us to analyze the spatial distributions of plasma radiation in the wavelength range from 15 nm to 105 nm. Calibration of the VUV spectrograph was carried out in order to determine the sensitivity of the spectrograph as a function of wavelength. We also established a method of analyzing the emissivity profiles of each spectral source in a visual manner from spatially resolved VUV spectrophotograph in the GAMMA 10.

Original languageEnglish
Pages (from-to)2137-2140
Number of pages4
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume38
Issue number4 A
Publication statusPublished - 1999 Dec 1

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

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