ISSN 0869-6632 (Print)
ISSN 2542-1905 (Online)

For citation:

Bandurkin I. V., Bratman V. L., Kalynov J. K., Manuilov V. N., Savilov A. V., Samsonov S. V. Terahertz gyrotrons at high cyclotron harmonics. Izvestiya VUZ. Applied Nonlinear Dynamics, 2008, vol. 16, iss. 3, pp. 156-175. DOI: 10.18500/0869-6632-2008-16-3-156-175

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Language: 
Russian
Heading: 
Innovations in applied physics
Article type: 
Article
UDC: 
537.87, 621.385.69, 621.374
DOI: 
10.18500/0869-6632-2008-16-3-156-175

Terahertz gyrotrons at high cyclotron harmonics

Autors: 
Bandurkin Ilja Vladimirovich, Institute of Applied Physics of the Russian Academy of Sciences
Bratman Vladimir Lvovich, Institute of Applied Physics of the Russian Academy of Sciences
Kalynov Jurij Konstantinovich, Institute of Applied Physics of the Russian Academy of Sciences
Manuilov Vladimir Nikolaevich, Lobachevsky State University of Nizhny Novgorod
Savilov Andrej Vladimirovich, Institute of Applied Physics of the Russian Academy of Sciences
Samsonov Sergej Viktorovich, Institute of Applied Physics of the Russian Academy of Sciences
Abstract: 

The results of first experiments and future trends in advancing to sub-THz and THz frequency ranges with self-oscillators working at high cyclotron harmonics and gyromultipliers are discussed. In both varieties of gyrotrons, selective excitation of high harmonics can be simplified by the use of electron beams describing helical trajectories whose centers are close to the cavity axis (the configuration of Large Orbit Gyrotron). In gyromultipliers, the additional selective properties are provided due to obtrusion of frequency and spatial field structure from the relatively low-frequency signal, which may be either inserted from the outside, or excited by the same electron beam used for nonlinear frequency conversion. In the latter case, the most attractive schemes for THz range are those where excitation of low- and high-frequency radiation takes place in a single volume.

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Received: 
06.05.2008
Accepted: 
06.05.2008
Published: 
30.06.2008
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