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@ARTICLE{Ertmer:897398,
      author       = {Ertmer, S. and Marchuk, O. and Sackers, M. and Dickheuer,
                      S. and Brezinsek, S. and Mertens, Ph and Kreter, A.},
      title        = {{O}ptical isolation of spectral lines emitted by sputtered
                      tungsten in a weakly magnetized plasma},
      journal      = {Journal of physics / B},
      volume       = {54},
      number       = {2},
      issn         = {1361-6455},
      address      = {Bristol},
      publisher    = {IOP Publ.},
      reportid     = {FZJ-2021-03764},
      pages        = {025401 -},
      year         = {2020},
      abstract     = {Optical isolation of the clockwise or the counter-clockwise
                      circular polarization of spectral lines was applied to
                      emission of sputtered tungsten atoms. As a result one
                      measures the weak magnetic field at plasma-surface interface
                      resulting in splitting of spectral lines (W I at 4008.751 Å
                      and 4982.593 Å) being negligibly small with respect to the
                      Doppler broadening. One relies only on the phase rotation of
                      a reflected circular polarized light propagating at the
                      normal incidence to the mirror-like surface. The spectral
                      shift of the signal from sputtered W atoms on the detector
                      using high-resolution spectrometer provides the value of the
                      magnetic field at a known dispersion, i.e. no further
                      modeling or additional assumption on the distribution of
                      atoms is required. The isolation of spectral line components
                      is equivalent to isolation of the effect of the magnetic
                      field from the measured line shape. It is complete for
                      Zeeman triplet lines and partial for other lines. The
                      results are found to be in a very good agreement of $3\%$
                      with calculations and the Zeeman resolved laser absorption
                      spectroscopy $(10\%)$ on metastable levels of Ar I atoms.},
      cin          = {IEK-4},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IEK-4-20101013},
      pnm          = {134 - Plasma-Wand-Wechselwirkung (POF4-134)},
      pid          = {G:(DE-HGF)POF4-134},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000618344500001},
      doi          = {10.1088/1361-6455/abcf7f},
      url          = {https://juser.fz-juelich.de/record/897398},
}