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Telecommunications and Radio Engineering
SJR: 0.202 SNIP: 0.2 CiteScore™: 0.23

ISSN Imprimir: 0040-2508
ISSN On-line: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v75.i14.60
pages 1299-1312

FREQUENCY TUNING RANGE OF DIFFRACTION RADIATION OSCILLATOR WITH PERIODICAL DOUBLE COMB

I.O. Kovalyov
O.Ya. Usikov Institute for Radiophysics and Electronics of the National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkiv 61085, Ukraine
V. S. Miroshnichenko
A.Ya. Usikov Institute for Radiophysics and Electronics of the National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkiv 61085, Ukraine

RESUMO

Diffraction radiation oscillators (DRO) are ranked high as advanced sources for millimeter and T-wave ranges, hence their output characteristics are subject to a continuous improvement to meet ever growing requirements. In this work we consider the relations between parameters of a periodic double comb and the tuning range width of a diffraction radiation oscillator. It is shown that the tuning range width strongly depends on the H10-wave elongation in elementary waveguides constituted by opposing slots of the double comb. We also discuss the results of experimental measurements and 2D-simulation of the open resonant system properties, which were used to choose the optimal parameters of a double comb for a diffraction radiation oscillator to satisfy the following criteria: an extended tuning range and a high-Q oscillations. The goal of our experiments was to analyze the properties of an 8-mm DRO with double combs of various configuration.


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