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@ARTICLE{Barannik:827767,
      author       = {Barannik and Vitusevich, Svetlana and Gubin and Protsenko
                      and Cherpak},
      title        = {{THE} {MEASURING} {CELL} {BASED} {ON} {THE} {QUARTZ}
                      {QUAZIOPTICAL} {RESONATOR} {FOR} {RESEARCH} {ON}
                      {DIELECTRIC} {LIQUIDS} {IN} {THE} {SUB}-{THZ} {RANGE}},
      journal      = {Telecommunications and radio engineering},
      volume       = {75},
      issn         = {0040-2508},
      address      = {New York, NY},
      publisher    = {Scripta Technica, Inc.},
      reportid     = {FZJ-2017-01873},
      pages        = {1583-1590},
      year         = {2016},
      abstract     = {Using WGM resonators allows achieving a high accuracy in
                      determining the dielectric permittivity of substances due to
                      their high Q-factor. The resonator with a microfluidic
                      channel is promising for the study of small-volume liquids
                      that is especially important in the case of biologic
                      liquids. In a Ka-band a sapphire resonator with microfluidic
                      channel has been proposed as a measuring cell, but in the
                      sub-THz range a quartz resonator has more suitable
                      characteristics due to its high Q-factor. In the paper we
                      offer a measuring cell for determining the complex
                      permittivity of liquids in the sub-THz range. The cell is
                      designed on the basis of a quasi-optical quartz resonator
                      with a layer of plastic containing a microfluidic channel.
                      Experimental studies of the resonator structure are carried
                      out and a model for numerical research in the software
                      COMSOL Multiphysics program is proposed. By comparison of
                      the resonator frequencies and Q-factor values with the
                      corresponding values, obtained using the numerical model,
                      the correction of the model has been carried out for the
                      water-filled microfluidic channel. It is shown that the
                      model for numerical studies correctly describes the
                      resonator structure. The experimental and calculated values
                      of the resonator frequency and of the Q-factor, obtained for
                      the microfluidic channel filled with substances the complex
                      permittivity of which is well known (methanol, propanol,
                      ethanol, acetone), are in good agreement. The resonator
                      proposed may be used as a measuring cell for determining a
                      small-volume liquid permittivity by a special calibration
                      procedure.},
      cin          = {ICS-8},
      ddc          = {620},
      cid          = {I:(DE-Juel1)ICS-8-20110106},
      pnm          = {552 - Engineering Cell Function (POF3-552)},
      pid          = {G:(DE-HGF)POF3-552},
      typ          = {PUB:(DE-HGF)16},
      doi          = {10.1615/TelecomRadEng.v75.i17.60},
      url          = {https://juser.fz-juelich.de/record/827767},
}