The phenomenon of hard excitation is natural for many electronic oscillators. In particular, in a gyrotron, a maximal efficiency is often attained in the hard excitation regime. In this paper, we study the injection-locking phenomena using two models of an electronic maser in the hard excitation mode. First, bifurcation analysis is performed for the quasilinear model described by ordinary differential equations for the slow amplitude and phase. Two main scenarios of transition to the injection-locked mode are described, which are generalizations of the well-known phase-locking and suppression mechanisms. The results obtained for the quasilinear model are confirmed by numerical simulations of a gyrotron with fixed Gaussian structure of the RF field.
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November 2015
Research Article|
November 18 2015
Injection locking of an electronic maser in the hard excitation mode
K. A. Yakunina;
K. A. Yakunina
1
Saratov State University
, 83 Astrakhanskaya St., 410012 Saratov, Russia
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A. P. Kuznetsov;
A. P. Kuznetsov
1
Saratov State University
, 83 Astrakhanskaya St., 410012 Saratov, Russia
2Department of Nonlinear Physics, Saratov Branch,
V.A. Kotel'nikov Institute of Radio Engineering and Electronics
, 38 Zelenaya St., 410019 Saratov, Russia
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N. M. Ryskin
N. M. Ryskin
1
Saratov State University
, 83 Astrakhanskaya St., 410012 Saratov, Russia
2Department of Nonlinear Physics, Saratov Branch,
V.A. Kotel'nikov Institute of Radio Engineering and Electronics
, 38 Zelenaya St., 410019 Saratov, Russia
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Phys. Plasmas 22, 113107 (2015)
Article history
Received:
July 01 2015
Accepted:
November 02 2015
Citation
K. A. Yakunina, A. P. Kuznetsov, N. M. Ryskin; Injection locking of an electronic maser in the hard excitation mode. Phys. Plasmas 1 November 2015; 22 (11): 113107. https://doi.org/10.1063/1.4935847
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