Fabry-Perot spectroscopy of a visible magnetic dipole transition in Ba34+

H. Adler, E. S. Meyer, F. G. Serpa, E. Takacs, J. D. Gillaspy, C. M. Brown, U. Feldman

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12 Citations (Scopus)


We are using Fabry-Perot interferometry to study visible lines from highly-charged ions created and trapped within an electron beam ion trap (EBIT). The 3d45D2-5D3 titanium-like barium (Ba34+) line at 3932(2) Å was recently measured in Ref. [1] (C.A. Morgan et al., Phys. Rev. Lett. 74 (1995) 1716) using a grating monochromator. We present preliminary Fabry-Perot spectra of this line with significantly improved resolution. The Doppler-broadened 1 Å line width is consistent with an expected ion temperature of less than 1 keV. We discuss the possibility of resolving Zeeman splittings, and of using these visible lines as a diagnostic in high temperature, low density plasmas, like those that exist in tokamaks and the EBIT itself.

Original languageEnglish
Pages (from-to)581-584
Number of pages4
JournalNuclear Inst. and Methods in Physics Research, B
Issue number1-4
Publication statusPublished - May 3 1995

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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