Selfexcitation of oscillations in a gyrotron
WebThe gyrotron also operates in the second harmonic TE 2,6,1 mode at 456 GHz and in the TE 2,3,1 fundamental mode at 233 GHz. ... After oscillations begin around 77 mA, the power is linear with beam current, indicating that saturation of the interaction has not been reached. A maximum CW output power of 8.4 W is achieved at beam parameters of 135 ... WebApr 29, 2007 · The oscillation efficiency in the resonator is the highest value observed at 170 GHz gyrotrons; ηosci (≡ Posci / VbIb) is 42.5%. These facts indicate that the perpendicular efficiency, which is...
Selfexcitation of oscillations in a gyrotron
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WebPower gyrotrons with evolution of the interaction space are considered for generating stable single-mode oscillations under conditions favoring self-excitation of several modes. Interaction of two modes, occurring in small resonator cavities, can be treated as a suppression of the mode with a smaller initial increment than that with a larger initial … WebApr 29, 2007 · The oscillation efficiency in the resonator is the highest value observed at 170 GHz gyrotrons; ηosci (≡ Posci / VbIb) is 42.5%. These facts indicate that the perpendicular …
WebApr 12, 2024 · An electrodynamic system is described that provides the creation of an electromagnetic wave field of high intensity at a frequency of 1 THz due to a combination of accumulation in time and compression in space of a wave pulse coming from an electron cyclotron maser (gyrotron). This system is based on the use of a three-mirror cavity … Web开馆时间：周一至周日7:00-22:30 周五 7:00-12:00; 我的图书馆
WebMar 19, 2024 · There are two types of mode excitation regimes of gyrotrons as in any oscillator. The first one is soft excitation that can be realized when the electron beam current exceeds the starting value, at which the oscillation amplitude starts growing from a … WebDec 16, 2024 · The self-consistent simulation of the electron beam interaction was performed in the presence of a lossy dielectric layer in the smooth-wall beam duct of a gyrotron oscillator. For this purpose, the linear and …
WebI. Model and Self-Consisten% Equations of a Gyrotron. In a gyrotron (Fig. i) the active medium is a beam of electrons moving along spiral trajectories in a uniform magnetic …
WebOct 1, 2024 · It was shown that the hard self-excitation at the second cyclotron harmonic is possible in the presence of generation at the first one. Simulations also predict the possibility of simultaneous generation at two harmonics in the excitation zone of the second harmonic modes at relatively high beam currents. life foods rochdaleWebThe attendant transient processes in a two-mode gyrotron are described by a self-consistent system of equations including a short equation of motion for electrons in an external … life food turnovWebOct 1, 1994 · Self-excitation of spurious oscillations in the drift region of gyrotron and their influence on gyrotron operation Full Record Related Research Abstract Stable operation … mcpherson complex ocalaWebApr 22, 2010 · Self-Excitation of a Tapered Gyrotron Oscillator Abstract: This paper consists of two parts. In the first part, the linear theory of a tapered gyrotron oscillator, which can operate either as a gyro-backward-wave oscillator or a gyromonotron, is developed. life foods departmentWebthe substantial soft-self-excitation region of the dominant mode is expanded. The B c scan was also performed at different values of α.The results are shown as power contours of … life food serviceWebMay 1, 1995 · The conditions of spurious self-excitation in a gyrotron resonator have been studied fairly completely, and methods for its suppression have been developed. At the … mcpherson complexWebDec 16, 2024 · The self-consistent simulation of the electron beam interaction was performed in the presence of a lossy dielectric layer in the smooth-wall beam duct of a … life for a child in a residential school