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

ISSN Druckformat: 0040-2508
ISSN Online: 1943-6009

Volumes:
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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v74.i4.40
pages 319-335

TERAHERTZ BAND DOUBLE-FREQUENCY DIFFRACTION RADIATION OSCILLATOR WITH INCLINED FOCUSING FIELD

Ye. N. Odarenko
V. Karazin National University of Kharkiv, 4 Svobody Sq., Kharkiv 61022, Ukraine; Kharkiv National University of Radio Electronics, 14 Nauka Ave, Kharkiv 61166, Ukraine
A. A. Shmat'ko
V. Karazin National University of Kharkiv, 4 Svobody Sq., Kharkiv 61022, Ukraine

ABSTRAKT

It is considered an oscillator-frequency multiplier on the Smith-Purcell effect, in which two modes of beam-wave interaction - the surface wave mode and the diffraction radiation mode - are realized simultaneously. The vector of magnetic focusing field induction is directed at the angle to the slow-wave system surface like in a klynotron. Oscillations in the diffraction radiation mode are excited on the third harmonic of the surface wave mode, which performs a distributed parametric modulation of the electron beam along the entire interaction space. Using the non-linear multidimensional theory, the peculiarities of the influence of a focusing field inclination upon the output characteristics of the device are investigated. Increasing of the focusing field inclined angle results in improvement of the interaction efficiency and increasing of the output signal amplitude on the third harmonic of the surface wave mode in the terahertz frequency band.


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