منابع مشابه
Ferrite-guided cyclotron-resonance maser.
The concept of a cyclotron-resonance maser (CRM) with a ferrite loading incorporated in its waveguide is proposed. The CRM interaction occurs between the rotating electron beam and the em wave propagating along a longitudinally magnetized ferrite medium. The ferrite anisotropic permeability resembles the CRM susceptibility in many aspects, and particularly in their similar response to the axial...
متن کاملCyclotron-resonance maser in a magnetic mirror.
A cyclotron-resonance maser (CRM) experiment is performed in a high-gradient magnetic field using a low-energy electron beam ( approximately 10 keV/1 A). The magnetic field exceeds 1.63 T, which corresponds to a 45-GHz cyclotron frequency. The CRM radiation output is observed in much lower frequencies, between 6.6 and 20 GHz only. This discrepancy is explained by the finite penetration depth of...
متن کاملCyclotron-resonance maser in a periodically loaded quadrupole transmission line.
A cyclotron-resonance maser (CRM) is implemented in a periodic quadrupole waveguide. The device oscillates at the fundamental and high harmonics of the cyclotron frequency. This CRM employs a tenuous low-energy electron beam ( approximately 10 keV, 0.2 A). The periodic structure consists of an array of disks along the quadrupole transmission line, hence it combines both azimuthal and axial peri...
متن کاملLinear analysis of a multibeam cyclotron-resonance maser array
The multibeam cyclotron-resonance maser ~CRM! array is a new concept for compact, high-power CRM devices operating at low voltages. The CRM array studied in this paper employs low-energy electron beams, which are propagating in coupled channels in a two-dimensional periodic waveguide. A static magnetic field spirals the electrons in synchronism with a spatial harmonic of the electromagnetic wav...
متن کاملCyclotron resonance maser experiments in a bifilar helical waveguide
Oscillator and amplifier cyclotron-resonance-maser (CRM) experiments in a spiral bifilar waveguide are presented in this paper. The slow-wave CRM device employs a low-energy low-current electron beam (2-12 keV, approximately 0.5 A). The pitch angle of the helical waveguide is relatively small; hence, the phase velocity in this waveguide, V(ph) congruent with0.8c (where c is the speed of light),...
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ژورنال
عنوان ژورنال: IEEE Transactions on Plasma Science
سال: 1999
ISSN: 0093-3813
DOI: 10.1109/27.772272