Quarter-wave helicon resonator

Authors

DOI:

https://doi.org/10.20535/RADAP.2016.67.25-29

Keywords:

nonreciprocal transformer, helicon resonator, quarter-wave resonance, Q-factor

Abstract

Introduction. Helicon waves propagates in the magnetized semiconductor plasma. Helicon waves with circular polarization has a nonreciprocal propagation effect and may have a half-wave resonance between faces of parallel plate of semiconductor. Such resonator being coupled with two orthogonal inductor coils becomes a nonreciprocal transformer. This article presents the results of an experimental research of the nonreciprocal transformer based on a modified helicon resonator.
Main part. One of the resonator plates is coated with a layer of metal. It is shown, that such resonator becomes quarter-wave. The theoretical basis of the resonance shift is proposed. Experimental results are also presented and discussed.
Conclusion. It is shown, that one-side metallization makes possible to reduce the resonant frequency of almost four times, at the same dimensions of the helicon resonator. Furthermore plating improves the heat transfer from the plate of resonator and hence the maximum dissipated power at the same dimensions.

Author Biographies

V. S. Vountesmery, National Technical University of Ukraine, Kyiv Politechnic Institute, Kiev

Vountesmery V. S.

Yu. V. Vountesmery, National Technical University of Ukraine, Kyiv Politechnic Institute, Kiev

Vountesmery Yu. V.

References

Перелiк посилань

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References

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Vuntesmeri Yu. V. (2000) Induktivnye kharakteristiki nevzaimnykh transformatorov na osnove girotropnykh sred [Inductive non-reciprocal characteristics of transformers on the basis of Gyrotropic media ]. Elektronika i svyaz', Vol. 2, No 8, pp. 223-225.

Gremillet J. (1964) Propagation des ondes metriques et decametriques dans les semi-conducteurs et presence d'une induction magnetique continue. Effect "Helicon". Annales de Radioelectricite, No 76, p. 122.

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Vountesmery V. S. and Vountesmery Yu. V. (2007) Temperature Characteristics of Broadband Helicon Isolators for Meter and Decameter Waves. IEEE Transactions on Microwave Theory and Techniques, Vol. 55, Iss. 10., pp. 2097-2102.

Vuntesmeri Yu.V. (2011) Model' teploperenosa v gelikonovom ventile [Heat transfer model in helicon valve]. Elektronika i Svyaz', No 3, pp. 24-27.

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Madelung O. (2004) Semiconductors: Data Handbook, Springer Berlin Heidelberg, 514 p.

Berger L. (1996) Semiconductor Materials, CRC Press Reference, 496 p.

Published

2016-12-30

How to Cite

Вунтесмері, В. С. and Вунтесмері, Ю. В. (2016) “Quarter-wave helicon resonator”, Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia, 0(67), pp. 25-29. doi: 10.20535/RADAP.2016.67.25-29.

Issue

Section

Electrodynamics. Microwave devices. Antennas