000827767 001__ 827767
000827767 005__ 20240619091225.0
000827767 0247_ $$2doi$$a10.1615/TelecomRadEng.v75.i17.60
000827767 037__ $$aFZJ-2017-01873
000827767 082__ $$a620
000827767 1001_ $$0P:(DE-HGF)0$$aBarannik$$b0$$eCorresponding author
000827767 245__ $$aTHE MEASURING CELL BASED ON THE QUARTZ QUAZIOPTICAL RESONATOR FOR RESEARCH ON DIELECTRIC LIQUIDS IN THE SUB-THZ RANGE
000827767 260__ $$aNew York, NY$$bScripta Technica, Inc.$$c2016
000827767 3367_ $$2DRIVER$$aarticle
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000827767 3367_ $$2BibTeX$$aARTICLE
000827767 3367_ $$2ORCID$$aJOURNAL_ARTICLE
000827767 3367_ $$00$$2EndNote$$aJournal Article
000827767 520__ $$aUsing 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.
000827767 536__ $$0G:(DE-HGF)POF3-552$$a552 - Engineering Cell Function (POF3-552)$$cPOF3-552$$fPOF III$$x0
000827767 7001_ $$0P:(DE-Juel1)128738$$aVitusevich, Svetlana$$b1$$ufzj
000827767 7001_ $$0P:(DE-HGF)0$$aGubin$$b2
000827767 7001_ $$0P:(DE-HGF)0$$aProtsenko$$b3
000827767 7001_ $$0P:(DE-HGF)0$$aCherpak$$b4
000827767 770__ $$z0040-2508
000827767 773__ $$0PERI:(DE-600)2129071-4$$a10.1615/TelecomRadEng.v75.i17.60$$p1583-1590$$tTelecommunications and radio engineering$$v75$$x0040-2508$$y2016
000827767 909CO $$ooai:juser.fz-juelich.de:827767$$pVDB
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000827767 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)128738$$aForschungszentrum Jülich$$b1$$kFZJ
000827767 9131_ $$0G:(DE-HGF)POF3-552$$1G:(DE-HGF)POF3-550$$2G:(DE-HGF)POF3-500$$3G:(DE-HGF)POF3$$4G:(DE-HGF)POF$$aDE-HGF$$bKey Technologies$$lBioSoft – Fundamentals for future Technologies in the fields of Soft Matter and Life Sciences$$vEngineering Cell Function$$x0
000827767 9141_ $$y2017
000827767 920__ $$lyes
000827767 9201_ $$0I:(DE-Juel1)ICS-8-20110106$$kICS-8$$lBioelektronik$$x0
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000827767 981__ $$aI:(DE-Juel1)IBI-3-20200312