TELECOMMUNICATIONS AND RADIO ENGINEERING - 2011 Vol. 70,
No 6
 

 

 

 

SENSITIZATION OF WAVEGUIDE MEASURING CUVETTE FOR BIOLOGICAL OBJECTS PERMITTIVITY INVESTIGATION



P.S. Krasov
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkiv 61085, Ukraine
Address all correspondence to A.O. Perov E-mail: perov@ire.kharkov.ua

Abstract
The present work deals with electromagnetic simulation results the waveguide cuvette to improve its measuring characteristics by the FDTD method. Improvements have been achieved by optimizing the thickness size and shape of dielectric inserts. Both the module and phase sensitivity of the reflection factor have been increased in 1.5-2 times which have been experimentally confirmed.

KEY WORDS: complex reflection factor, FDTD method, high loss dielectrics, waveguide, measuring cuvette

References

  1. Shchegoleva, T.Yu., (1981), The electrical parameters measurement of thin films of polydisperse samples, liquid and solid high-loss dielectrics in the microwave range, Radio Engineering and Electronics, 26: 2328-2333 (in Russian).
  2. Krasov, P.S., (2008), Single-frequency reflectometer based on six-port measuring line, Applied Radio Electronics, 7(2): 188-191 (in Russian).
  3. Krasov, P.S. and Arkhipova, E.A., (2009), Instrument for measuring the complex permittivity of biological objects, Telecommunications and Radio Engineering, 68(8):727-733.
  4. Sirenko, Yu.K., Strom, S., and Yashina, N.P., (2007), Modeling and analysis of transient processes in open resonant structures. New methods and techniques, N.Y., Springer.
  5. Ellison, W.J., (2007), Permittivity of pure water, at standard pressure, over the frequency range
    0-25 THz and the temperature range 0-100°C, J. Phys. Chem. Ref. Data, 36(1):1-18.
  6. Sato, T. and Buchner, R., (2004), Dielectric relaxation processes in ethanol/water mixtures, J. Phys. Chem., 108:5007-5015.


pages 491-496

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